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Submits Plans for Periodic Maint,Insp & Surveillance of Diesel Engines 1A & 1B.Program Will Be Reevaluated When Tdi Owners Group Recommended Program Issued
	ML20090H898
Person / Time
Site:	Catawba
Issue date:	07/16/1984
From:	Tucker H; DUKE POWER CO.
To:	Adensam E, Harold Denton; Office of Nuclear Reactor Regulation
References
	NUDOCS 8407270259
	Download: ML20090H898 (16)
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DUKE POWER Goxnm 1

P.O. Box 33180 CHARLOTTE, N.C. 28242 HALB. TUCKER re,,gpigong

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po.9 ara mai NIELEAR PRODtMWRON July 16, 1984 3

Mr. Harold R. Denton, Director 4

Office.of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission I-Washington, D.C.

20555 1

' Attention:

Ms. E. G. Adensam, Chiet Licensing Branch No. 4 i

Re: Catawba Nuclear Station Docket Nos. 50-413 and 50-414 b

Dear Mr. Denton:

The purpose of this letter is to submit Duke Power Company's plans for _the periodic maintenance, inspection and surveillance of the Catawba IA and 15 i

diesel engines.

The plan is' based on an engineering evaluation of the results of the Catawba 1A diesel engine post extended operating test inspections (reference 1),

TDI Owner's Group recommendations, and NRC 1

comments regarding diesel engine maintenance, inspection, and surveillance (reference 2).

Inspection of the Catawba IB diesel, following its extended operating test has just begun; if shown to be necessary by these inspections, i

changes will be developed to the maintenance, inspection ard surveillance plan contained herein and submitted to the NRC.

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-A.

Planned Proarsa Planned maintenance, inspection, and surveillance of the Catawba diesels is_ outlined in the attached Table 1, except that diese? engine periodic tes ting required by technical specifications is not shown since it is thoroughly described in the Catawba technical specifications (reference 3).

It is considered that the maintenance, inspection and surveillance l

required by Table 1 satisfactorily addresses:

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e The intent of NRC comments in reference 2.

Periodic maintenance recommended by TDI in their technical manual.

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Results of inspections. of 'the Catawba 1A diesel and other ;TDI diesels in nuclear service.

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NRC Comments The NRC comments of reference 2 relative to items warranting special attention in the periodic maintenance, inspection and surveillance of nuclear plant d iesels, and how Duke Power plans to resolve these comments, are discussed below.

B.1 Cylinder Heads a.

NRC Comment.

Following engine shutdown, the engine should be rolled over with air pressure after four hours (during cooldown) with the indicator cocks open.

Subsequent to cooldown, engines should be air rolled every 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

Any cylinder heads discovered leaking must ba ' replaced.

The utility should confirm that written procedures are adequate to y

ensure that the cocks are closed following each air roll.

b.

Discussion.

All cylinder head leaks in Catawba diesels have been associated with welded-in repair plugs.

Inspections have been performed of the Catawba IA diesel, and will be performed of the IB diesel, to identify and replace any cylinder heads with such welded-in repair plugs.

Elimination of heads with we lded-in repair plugs is expected to minimize the potential for future cylinder head leakage problems.

In this regard, it should be noted that no cracks were noted in the Catawba IA cylinder heads of the type which would be expected to lead to leakage of cooling water into the cylinders (cracks associated with welded-in plugs lead to leaks into the fuel injector cavities, not into the cylinders). The types of cracks which could lead to water leakage into the cylinders include radial

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cracks in the fire deck emanating from valve seats; this type of crack was not detected in diesel 1A.

Because of the absence of any history of water, leakage into Catawba diesel cylinders, it is considered that daily air rolling of the diesels is not warranted.

In addit ion, air k

rolling involves placing diesels out of service l a significant amount of time, approaching an hour per day, which is undesirable.

Moreover, if any dif ficulty should arise with the air roll operation, it is likely to cause the one hour time limit on having a diesci out of operation to be approached; because of technical specification requirements (reference 3),

this would require an unnecessary start of the other diesel.

c.

Duke Power Planned Action.

The engines will be rolled within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months after shutdown and weekly thereafter with indicator cocks open to check for water leakage into the cylinders. Air rolling of the diesels is also performed prior to routine engine starts.

The operating procedures covering air rolling require that the cocks be closed after each roll.

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,g B.2. Engine Block ggd Bagg a.

EEC Comment.

Inspect the engine block and base every month

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or. 24. hours of operation,. whichever - comes first.

The inspection should be an external visual inspection requiring 7

no disassembly.

No other special maintenance is required if any defects.

found are "non-crit ical."

Non-crit ical indications.are defined es not causing oil.or water leakage; not propagating; and not adversely affecting cylinder liners or stud holes.

b.

Dgkg Power Planned Action Visual inspections of the block and base, as well as numerous other areas will be performed routinely during engine operation, i.e.,

every month or more often.

These inspections will be directed at detecting signs of water or oil leakage at joints and similar areas, and at verifying that dangerous cracks are not propagating.from s tud holes in the block.

The inspections will be performed and documented by operations personnel as part of normal-E operational checks. and will be limited to those inspections which can be~ performed without disassembly of any parts.

B.3 Connec t ing Rods a.

EEC Comment.

After each interval of 25 ' starts, 50 hours5.787037e-4 days 0.0139 hours 8.267196e-5 weeks 1.9025e-5 months of.

operation or 6 months, whichever occurs first, all connecting rods should be visually inspected and all connecting-rod bolts j'

should be retorqued and the results recorded.

l b.

Discussion.

Inspection of the Catawba 1A diesel connecting rods after over 800 hours0.00926 days 0.222 hours 0.00132 weeks 3.044e-4 months of operation and :120 starts showed

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no signs of degradation and showed.that the torques Lof.the 1 1/2" connecting rod boltsc had not re laxed. Accordingly,

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checks' of bolt torques after 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months of operation or 25 starts appears to be excessively conservative.

The NRC suggestion of a time' period of 6 months for bolt preload' checks appears to have no relation to processes which might i

cause bolt relaxation and is not warranted.

In' add ition, i

inspection at' 6 month intervals would result -in significant loss of diesel availability, which is undesirable, and would require several additional starts of the other engine.

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Checks of connecting rod bolt torques /by ' ultrasonic length l

measurements have recently been completed for diesel 1A, and i

_are considered to be a. superior method of checking the preload in theseLholts, as compared:to uselof torqueLeessuresents.

It should he noted that, _ if no'significant. loss' of preload of-these bolts occurs,.then there-is no chance of the -joint-degrading and no need to visually inspect the bolts. As noted above, relaxation of.these bolts has.not been experienced at-4 Catawba, nor have the bolts experienced damage.

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D_qhg Power P.11gpf,1 Action.

All theil 1/2" connecting rod bolt preloads. will be checked at the first_ refueling outage.

It is expected 1that about 25 starts and 50 hours5.787037e-4 days 0.0139 hours 8.267196e-5 weeks 1.9025e-5 months of operation

,-will have been accumulated at that time and that the maximum wculd be 50 st.arce and 200 hours0.00231 days 0.0556 hours 3.306878e-4 weeks 7.61e-5 months of operation.

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NRC Conusera.

The lube os.1 should be chect:cd for water following pre-oper.ttional testing and then weekly and after

,each 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months of operation, whichever comes first. It should Jalso be checked on a monthly basis fo r particulates and e.hemical contaminst.ts associated.with we ar of bushings and i

' bearing s. Also, at intervals,of one month, a sample should be collected from tha botton: of the sump to check for water. All filters and streiners sho sid also be checked monthly.

b.

Dipeussion.

The clean tube oil tank and the sump tank are checked for' water on a monthly basis.

No problems with water accumulation have been.noted.

Pasforming this check on a weekly basit. is not warranted considering that the diesels are operated on. a muthly - ba,;f a and considering ' the lack of probleme ir this area.

4 A monthly check of lube oil for particulates and chemical contaminants associated with wear of bushirgs and bearings is not considered warranted since the (.iesel will accumulate only about I hour of operation per month'.

Accordingly, this type i

of check is planned to be performed each 6 months.

c.

D.uka Power Planned Actions.

e The lube oil will be checked for, water following pre-operational testing and tlan mathly ' or after 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months of operation, whichet er comes first.

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A sople will be ecliected from the bottom of the lube oil sump tank and checked for watee'each month.

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e The Ivbe oil will be. checked' by ferrographic and

spectrographic means every 6 months to -check for

. contaminants and particulates.

e The differential pressures across all filters and strainers s will be checked during diesel operation. 'and lfiltera.and (strainers'will be cleaned cr replaced as j

necesssry.

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e. 5. cv11nder H l' studs.

Rocker Arm saa-J.sza m Air.' 3.tari.Ya.1xa.

Capscrews r.,

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/Each month'25% of the capocrews should be spot que:kedortor,ued.

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b.

Discussion.

Results of the Catawba., IA post extended operation test inspection reported in reference I showed that no problems with loss of bolt torque occurred in over 800 hours0.00926 days 0.222 hours 0.00132 weeks 3.044e-4 months of operation.

Subsequent to completion of pre-operational tects, only about 1 or 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months of operation are expected to be accumulated each month, which is not considered to be significant in regard to causing bolt preload relaxat ion.

In addition, it should be noted that performance of preload checks would involve making the engine inoperable for extensive periods of time while the covers, subcovers and push rods are removed to provide access.

c.

Duke Power Planned Actio_n.

Twenty-five percent of the head s tud s, rocker arm capscrews, and air start valve capscrews will be checked for preload relaxation during each refueling ou tage.

The preloads checks will be performed either by torque measurements or by ultrasonic length measurements.

B.6 Push Rods a.

RRC Comment.

Following pre-opet.* ional testing and then subsequently after each 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months of operatian, cams, tappets,

pushrods, etc.

should be visually checked. This can be done at a time with the engine shutdown but withote affecting its availability for service.

b.

Discussion.

Inspection of these parts requires removal of top covers and side covers and this involves having the diesel inoperable for extended periods of time.

Accordingly, this inspection should be performed during an outage.

Duke Power has friction welded push rods that have seen over 890 hours0.0103 days 0.247 hours 0.00147 weeks 3.38645e-4 months of operation and 1.2 x 10^7 cycles with no evidence of cracking.

c.

Dukg Power Planned Action.

All cams, tappets, push rods, and rocker arms will be visually checked each refueling outage.

B.7 inhg 011 Filter Pressure Drop a.

FRC Comment.

During standby, the lube oil pressure drop should be checked daily.

b.

Discussion.

During standby, the diesel lube oil system is in a steady state condition with a low flow rate.

Since the diesel is not operating, production and release of particulates is minimal.

Accord ing ly, weekly checks provide fully satisfactory monitoring of filter pressure drop.

c.

Enkg Power Planned Action.

The prelube oil filter pressure drop will be checked on a weekly basis.

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l B.8 Crankshaf t Deflection Testh a.

NRC Comment.

Perform hot and cold crankshaft-def lection '

checks every 6 months with the hot deflection tests per formed

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within 15 minutes af engine shutdown.

b.

Discussion.

Fot and, cold deflection teste performed to date up to over 810 hours0.00938 days 0.225 hours 0.00134 weeks 3.08205e-4 months of operation for 6iesel 1A'have revealed no problems. ' Performance of 'th(se, checks every 6 mo~nths, i.e.

every 6 to 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months of operation, is not'e'onsidered warranted.

In ' addition, it would involve making the diesels inoperable for sig'nificant periods of tive, which is not desirable.

Performing hot deflectica tests within 15 minutes of. shutdown is' not permissible because of the need to let possibly explosive vapors escape from the crankcase.

TDI indicates that hot deflection checks may be performed up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months after shutdown.

1 c.

Dyhg Power Planned Action.

Fot and cold web deflection tests will be performed at least once each refueling cycle.

The hot deflection tests will be perfoiced as expeditiously as possible and within the time period specified by the sanufacturer, i.e., within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months of engine shutdown.

B.9 Monitorine pf Temneratures. Pressures and Vibrations a.

NRC Comment.

During engine, operation, yhe exhaust temperature. for each cylinder should.be monitored continuously by the operator and recorded on a' log 'at hourly intervals,. as' should the temperatures entering innd exiting ther turbocharger.

Other. temperature and pressure reafings for which the engine is instrumented should ' also ~ be. monitored continuously, and recorded hourly, or more frequently if-specified by the manufacturer.

These should at Icast include lube oil, jacket water, intercoolar terpera_ture, and air prescure.

If the engine-is equipped with an accelerometer on the main bearings and turbocharger, these should also be monitored continuously and recorded at ' hourly intervals.

If1 the engine is not equipped with an accelerometer :at. these-points, main bearing ' oil temperature should. be ' monitored continuously and ryclord'ed hourly. " Also,. lube; o_il filter pressure should be monitored, daily during engine operation.

/ he 'folloulng b.

Discussion.

During diesel operat ion-t m

parameters are monitored:

o Cylinder'E.Thaust Temp.*

e Generator Stator Temp.,

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Turbocharger Inlet Air Temp. (at Intercoole,r Inlet)*

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- Turbocharger Outlet Air Tebp.'(at Intercooler Outlet)*

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e Engine Lube Oil Temp.*

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Lube Oil Filter Delta P e

Lube Oil Pressure

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Lube Oil Tank Level e

Fuel Oil Filter Delta P e

Fuel Oil Pressure e

Fuel Oil Tank Level e

Jacket Cooling Water Temp.*

e Jacket Cooling Water Pressure e

Jacket Cooling Tank Level e

Control Air Pressure e

Lube Oil Pressure at Turbocharger Inlet e

Manifold Air Pressure e

Starting' Air Pressure The parameters marked with asterisks are continuously recorded as well as monitored.

The following parameters are recorded hourly on operating logs:

e Load - Watt Meter e

Power Factor e

Generator Volts e

Generator Amps e

Stator Temp.

e Lube Oil Pressure -

e Lube Oil Filter D/P o

RB Turbo Oil Pressure e

LB Turbo Oil. Pressure 7

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e Fuel Oil Filter D/P e

Jacket Water Pressure o

R&L Intake Manifold Pressure e

Lube Tank Level o

Cylinder Exhaust Temps.

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Vibration switches located on the turbocharger are set to trip if excessive vibration levels are encountered.

Vibration levels are also measured at various. locations on the diesels on a semi-annual basis using hand-held probes.

F It is considered that monitoring and recording the above parame ters as discussed above provides a fully satisfactory program for monitoring the condition of the diesels.

c.

Dghg Power ; Planned Action.

Pertinent diesel operating parameters will _be monitored and recorded during diesel

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operation as described above.

C.

Sinnificant Features sd[ Planned Program j

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C.1 Piston Skirt Insnection The plan in Table 1 includes inspection of all piston skirts after about 10 years of operation to verify the absence of cracking at stud bosses and internal reinforcing rib - wrist pin-boss junctions.-

This inspection would require extensive disassembly, which would not be warranted-by the expected number of hours -of

' operation..

Accordingly, it is intended to monitor the performance of AE pistons in other TDI diesels during the next 10 years.

If the accumulated experience provides confidence, las expected, that AE pistons are not subject to serious cracking concerns, then this inspection may be deleted or' changed to a sample basis inspection.

C.2 Bearing Inspect ions The plan in Table 1 is based on_not disassembling connecting ^ rods or smin bearings for-inspection until 10 years. unless this is indicated to be prudent by!ferrographic or spectrographic analyses of lube oil.~

At that time,

-a sample of the bearings will' be inspected.. The bases 'for this approach ~ are as follows:

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- TD'I recommends bearing inspections be performed about every..

5,000 ~ hours (connecting rod bearings) to 10,000 hours0 days 0 hours 0 weeks 0 months ~(main bearings) of diesel operation.

It is expected that, in 40 years, the Catawba dienels will accumulate less hours than TDI's recommended inspection periods'of 5,000 and 10,000 c

- hours.

e Ferrographic and spectrographic analyses provide a reliable method of ensuring that unusual or excessive bearing wear is not occurring.

e Extensive disassembly of the diesel exposes the engine to.

l factors which can reduce reliability.

i D.

SusesTY Observations ADA CommeDR D.1 The maintenance and inspections recommended by TDI for varinus time periods are based on the assumption that the diesels will accumulate hours at the rates normal for marine or utility. diesels, 4

e.g.,

5,000 hours0 days 0 hours 0 weeks 0 months per year. However, in fact, the Catawba diesels are.

expected to accumu late less than-50 hours per year.

Accordingly, the TDI recommendations are excessively conservative for the Catawba diesels.

For this reason, TDI's recommended schedule has been relaxed in Table 1 for some items; however, the schedule in Table 1 still calls for much more frequent-inspection and maintenance than would be required by the hours of operation..

D.2 The maintenance, inspec tion, and surveillance program of Table 1 applies to bath the Catawba IA and the IB diesels.

D.3 The TDI Owners Group is preparing a recommended maintenance, inspection, and surveillance program.

When it is-issued, the-l Catawba program will be re-evaluated and revised as appropriate. -

l D.4 The enhanced inspections requested by the 'NRC regarding bolt preload checks require extensive amounts of work and appear to be' not warranted based on there b'eing no observed-loss of preload in.

the Catawba 1A diesel af ter over 800 hours0.00926 days 0.222 hours 0.00132 weeks 3.044e-4 months .of

~ operation.

Accordingly,.if initial preload checks after continued operation continue to show no' loss of preload, Duke Power may request relaxation or elimination of these enhanced requirements, i

D.5 The routine periodic maintenance, inspection, andt. surveillanc e covered in Table I should 'be considered preliminary and subject to j

change.

As -

experience ~ is: gained with. diesel ' operat ion, maintenance and test, these requirements may be adjusted. However,-

l any changes to the enhanced. requirements discussed in-Section-B above will be transmitted to the NRC' prior to being implemented.

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References References used in this letter are listed below:

1 1.

Duke Power Company report, Catawba Nuclear Station, Diesel Engine 1A Component Revalidation Inspection, Final Report, June 29, 1984.

2.

NRC letter dated April 25, 1984, Docket No. 50-416, NRC Evaluation of the TDI Diesel Generator Reliability for Power ' Operation at Grand Gulf Nuclear Station, Unit 1.

3.

Catawba Nuclear Station Technical Specifications We trust that the information provided herein satisfies NRC needs regarding planned maintenance, inspection, and surveillance of the Catawba diesel engines. Please call me if I can be of any further service.

Very truly yours,

<"fg

/ dd al. B. Tucker, Vice President Nuclear Production HBT:JG:rmm Enclosures cc:

Mr. James P. O'Reilly, Regional Administrator Palmetto Alliance U. S. Nuclear Regulatory Commission 2135 Devine Street Region II Columbia, South Carolina 29205 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 NRC Resident Inspector Mr. Jesse L. Riley Catawba Nuclear Station Carolina Environmental Study. Group 854 Henley Place Robert Guild, Esq.

Charlotte, North Carolina 28207 Attorney-at-Law

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P. O. Box 12097 Walt Laity Charleston, South Carolina 29412-Pacific Northwest Laboratories P.O. Box 999 Battelle Blvd.

Richland Washington 99352

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e Table 1 1

J Catawba IA J.D1 IB_ Diesel Engines Periodic _ Inspection. Maintenance AEd Surveillance Schedule Planned periodic inspection, maintenance, and surveillance for the Catawba IA and IB diesel engines is described in this table.

It should be noted that cdditional inspection, maintenance, and surveillance will be performed on an as-required basis to correct or investigate actual or potential problems and as required by the plant technical specifications.

The periodic inspection, maintenance, and surveillance program is based on the plant following an 18 month refueling cycle.

The anticipated operation of the diesels is as follows:

1 to 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months of operation per month of plant operation.

I start per month of plant operation.

I non prelube start per year.

The planned periodic maintenance, inspection, and surveillance is categorized below by the planned frequency of the work.

SCHEDULE DURING OPERATION PART NO.

PART NAME REMARKS TOTAL DIESEL AND SUPPORT SYSTEMS GENERAL VISUAL CHECKS FOR INCLUDING ENGII!t BLOCK & BASE LEAKAGE AND CHECKS OF COMPONENT PERFORMANCE PARAMETERS 02-500B CONTROL PANEL ANNUNCIATORS TEST ANNUNCIATOR LIGHTS VIA TEST BUTTON 02-500I CONTROL PANEL PYROMETERS CONTINUOUSLY MONITORED, CALI-BRATED AS REQUIRED STARTING AIR SYSTEM DRAIN LOW POINTS, STRAINERS AND TANKS LUBE OIL SYSTEM CHECK LEVELS IN SUMP

TANK, l

GOVERNOR AND PEDESTAL BEARING 02-371A FUEL OIL PUMP RACK CHECK FREEDOM OF PUMP RACK l

11.

WEEKLY PART NO. PART NAME REMARKS02-361 INDICATING COCKS CHECK FOR WATER LEAKAGE, AND WITHIN 4 HRS OF SHUTDOWN ~

CN-115 BATTERY CHARGER VERIFY BATTERY VOLTAGE I

MONTHLY PART NO.

PART NAME REMARKS CN-119 GENERATOR MEGCAR TEST ROTOR AND-STATOR LUBE OIL SYSTEM CHECK SYSTEM AND SUMP TANK FOR WATER, PARTICULATES, NEUTRALI-ZATION, AND SIMILAR CHARACTERIS-TICS JACKET WATER SYSTEM CHECK pH CN-110 FULL FLOW LUBE OIL FILTER DRAIN WATER & SLUDGE SPACE HEATERS CHECK OPERATION OF SPACE HEATERS IN CABINET SEMI-ANNUAL J

i PART NO.

PART NAME REMARKS 02-371A FUEL RACK LINKAGE AND CONTROL LUBRICATE BEARINGS ON CONIROL SHAFT SHAFT LUBE OIL SYSTEM CHECK LUBE OIL BY SPECTR0 GRAPHIC AND FERR0 GRAPHIC MEANS DIESEL VIBRATION MONITORING USING MANUAL PROBES 4

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12.

f&fd REFUELING PART NO. PART NAME REMARKS IDE OIL JI!!S CHEX POR PID0GED Ott EtMEN IllES CTIllWERS MEASGRE OGD CGWRl!SSIGt & FIRIIC PIGSSutE 00-70(B JAGET 15U1!R SMIEPIPE GDG!S PER S1RTIGt CALIMIATI0lt SCHEDUIZ 00-700E JAGl!T 1&T!!R SIRIEPIPE swr!CN!S PER SDLTIGI CALIMIATE TEST SCHEDUIE 02-310A GAIESHAPT IM Alt CGD 1EB DEIUCTION IfASutDENIS 02-310C QtAIESHArt THIDST WAltIIC RDIG MEASutE IIItDST WARDIG RIIC CIZAllANCE 02-311A QtAIECASE ASSDELT RDUYE DO(ES A!D !!EAMIIE HEDE i

02-315E CTLIlWI!R HEAD SIG)B QE(X PitEIDAD & 2SE & SIUn6 02-340A OGEECTDC ItGB AlO IESHINGS CHEX PRE! DAD & E0LTS 02-34% INDEE HPPEIS VISUAL & Pl!RFW PE!1SGt!!3 EFT /AIMUSDENT 02-3455 FUEL uPPl!!S VISGE. & PERECWt PEASGtBENr/AIMUSDEllr l

02-350A CAMM&Fr ASSDEBX VISUAL DEIPECTHEt & CAM IDERS02-359 AIR SDutt MLVE (BOLTDC)

VEltNT TIEQtE & 25K W BG.TS 02-365B ftEL IKECTIGE TIPS Rl!MOYE, CIEAN, IRESET, & REDEDEL l

02-390G R00GR ARM EG.TDC VI!RUTITE(JR 02410A 00VEIElt OYEllSPl!ED 1 RIP Pl!RETENUCE TEST Alt RECALURAIR 02411A GDYEIER DRIVE GAR Alt SHAFT VISUAL INSPECTION 1EEEE #NIAEm W/EIASTGE!R RI!PIACDENT 02411B GOVEIER DRIVE 00tPLDC RI!PIACE MASIGER IN QXPIJNG 02413A CDVEICR LDEA2 INSPECT PtR IDOSE PAIES ON LI!EAE 02415A SPH!D IDEDIATI!C GOVEIG CHA!G OIL, VERIPT SE!TDG i

02475B TGtB00 LARGER AIR 57FIEllPLY MLVE Pl!RFORMANCE Tl!ST, NGNDGN AS IO!QUDtED I

02-50(D 00ttDEL PAIE!L PitESSGtE GADG!S CALURA2E PR SMTIGI P!mmen 02-500F 00lWL AIR AQ:GUIA2GL PitESSGtE HST Pl!R SMTIGI CALDRATIGE PRfMW i

02-500G 00ttD100 AIR SYST!!M MLVES PitESSGtE T1!ST PER SMTIGE CALUEtATIGE PROCEDIRE i

02-500R 00ttIBOL AIR SYSTDt Pit!!SS(ItE SWrICHES CALURATE PER SMTIGI PMN8M 02-50(M 00ltIBG. SYSTEM RI!!ATS TEST F5t SMTIGE SYSTEM PMNWW j

02-50(E CutlIIIL SYSTEM SGJINDID MLVES CALUIIATE PER SMTI0tt STSHIM PMN8m 02-50(L 00ltIBG. PAIEL 12CIDEIBR CRTMA11t PER SDGIGE Pmmum I

02-54(B IDE OIL SGP TA!K IEAIER SET TIEROSUGS Pl!R STATIGt PMN8W 0243(D INSDDENIATIult 11EHM000tPIES EDICTIGIAILY TEST 02489 TF BC. SAFE 1T AIARM SEIE(ES-MIRIIC PUCTIGEELY TEST 02490 2NGDE AIAllM SDBGtS FGCTIGtAILY HSI & CALURAIE i

02491A TF EIC. SAITIT AIARM SDEGIS-SWITC5!S ITIETIGtAILY T!!ET AfD CALI5tAIE PDt SMTION PROCEDCRE I

024955 !!2C SIBIDalai VALVES,WmnAltr",GtIFICES SEE Gt CALUEtATE Pl!It STATIGE SYSIEM Pil0CEDGtE 02495C DCDE SHITID0lat TRIP SWrIDES TIET PER STATION SYSTEM PROCEDGtE l

CN-115 MTIntY CIRBG!2t HST CAPACIIANCE 06-117/8 Q!2ERAIGt 00ttliOL TEST AIO ALIm SEQUEICHL PEL STATIQt Pit 00!DtRE 05-128 MISC. EQUIP.-Hi%IHt, JA0GT 1&THt SET TIEIOGTATS F5t STATIGt'PROCl!DGtE m-11% G2E3tATGt SHAFT AIO BEAltDG CHAICE IDLE OIL 1

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g g REFUELING PART NO. PART NAME RENARES 02-365A FliEL INJECTION PUMP DISASSEMBLE & CLEAN, INSPECT ONE REPRESENTATIVE PUMP l

ZERT. I.15. II&E8.

PART NO.

PART NAME REMARKS 00 4915 TURED DEIEF AIPIR-MIG IDIE & FIJ!1 CGet GNERAL VISOkL IIEFICIIW W/TtRED DTheqE2 j

i 02-350C CMEINT SIFPWIS, BOLTUC Als GAR VISutLIY IIEEET WAR, }EFAStRE Befrfm l

02-355A IIMR GAR ASSEtiRY (OtAIK TO PtN)

VISELLY IlEr!Cr WAR, )EMtBE natrim l

02-355B IIRER GAR ASSENLY VISUALLY IIEPET WAR, IEStBE narrfm 02-410C OUIESPEID TRIP C0tFLEG R1!PIACE E!ASIDER, IlWET RR frvytemuta GI SIIAFT 1EIIE ASSEM.

19 22/23 Tmwrmaan CIEN & IEISR SIRIL & MIES, MrASERE TIERET CIEARAIG 1

i IEEI E.E I.EAAS.

PART NO.

PART NAME REMARKS Oa-305A 1RIN 1 EARING CAP BASE ASSDELY PE (R Mr & TlO SAIIMS 02-305D PRDI 1FAlmE CAPS GDERAL VISEL DEFECTHN W/ DISASSBELY (150 CAPS) 02-305F inIN MREDE CAP SFAIS, GMB325, & 00 VEL CEERAL VISUAL DErBCTICE W/DIESSWELY (TIO CAPS) 02-307A IEE OIL INIMIRL 1EADERS GlERAL '.M 71WEIIGI W/DUASBBS.Y i

02-307B IEE OIL TUlmC AIS FITTIIItB GIEBAL VISEL DWETI'2s G3MBEY 02-307C IEE OIL Ilt!BNhL SEAIS GIERAL VISUAL DEFETIGI W/DISASSDEZ 03-307D IEE OIL LIIEE SWitit!5 GIERAL VISUAL DEFEII0tt W/DISAS35EI 02-310B CitAIEtSHAFI 1EARDC SIELIS VISUAL & RI W SAN?lZ DI CGUDICTIGE M DISASSDGLY 02-315A CTLDOER Bt03 PT ACCESSAEZ AREAS W/CTL LEAD DISSASSDELY 02-315C CILDOER LDIER VISUAL DEPETIW IN (XEUDICIIW WI1ft DISASSDELY i

02-340B 00MECIDC RW IEARIIC SIE118 DDEISICIEL, VISUAL, & RT W IEARDC S15113 02-341A PISTG E VISUAL Alt Mr DEIPETIGE 02-3415 PISItM RDEB REPIACBENE RDEE DETAIJJD DDRDC REASSDELY 02-341C PISIM PDI AMBE2 VISO&L DETE!EN W QEGE PIATDG i

02-359 AIR SM ET M L W RBOYE, QBIl & VISUh122 UEFEr W/DISASSBE2 t

l 02-360k CTf11EEE 1EAD PT SEEIB AREAS W FIM DEx 02-363 DmEE Alm 15lNBr MLVES VIStBI22 IlWEr SFATS & QBGE PIATDC 02-36@ MLB SPR3tB V'3UAL DEPETIGI W/DISA53EI 02-3805 1!IINWr HMIUMD METIIC

$K VIStRL IIWETIN W/TtR30 DISASSDELY 02-390A 11000R AIM ASSDELY VISUAL DEFIL'rEGI W S0WEIS l

02-390B 1!IIRIBr 303ER ant ASSDEZ VISQLL IIWETICK W SCGEIS l

02-390C PGIIEES VISOtL IIEFETIGI W 1EIES 02-39(B 03 EWER REWtB VIStRL IIWETEIN W 1E88 02-39(E It003R Amt MERDC VISUAL IIEFETIGIlEEEE anutaur 02-4&2A SMKf!IC AIR DI5IIIE!W ASSBEZ VISERI22 IlWEr PWPEr MLW WOG, EIS & TDEC CAM 02-550 toGaArum xx S Aie Annas mIrr TesE, aEtx roGeorIm ame Okl11 IB M OIL IEkT BIB E ER IlWEr RR MIILDC, EENEN, EE.

01120 M IErtaTR MgrIBG MEEE IIEPET RR PUtEJE, ENSIGI, EIC.

F-063 turummrumm VIsmL IIEyETEN W 1 Era SIIs i

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A_S, REQUIRED PART NO.

PART NAME REMARKS 02-387D GAIECASE WNTIIA10tS & FLUID MANCPEIER MEintR DURDC TERATICN APD CALIBRATE AS imyuuuu 02-441B SDutr AIR SDAINERS AE FETERS CIZANIIC/REPIACDENT 00MRNED BY D/P 02-45% run OIL rnmS REACHNr 00WRNED BY D/P 02-455B FUEL OIL SIRAINERS REPIACEMENT GOVERNED BY D/P 02-540A unE OE Sue TAMC BASE m OIL CHAN2 fequudMENT 02-825D EUEL OE DUPLEK SIRAINER CIEANING 00WRNED BY D/P 02-83% AIR DRYER CHANGE DESSICANI CN-106 INTAKE AIR FETER REPIACEMENT 00VEIDED BY D/P CN-110 EULI. FWW HHE OIL FH IER REACHNr 00VMED BY D/P m-122 OIL mnHE FEM CHAN2 00VERNED BY D/P m-131 EE OIL KEEPWUtM SIRAINER C2ANUC 00WRNED BY D/P SE-025 uHE OH. EUIL PRESSWE STRADER C2ANING OUVERNED BY D/P 15.

INSPECTION, MAINTENANCE AND SURVEILLANCE PLAN NOTES i

Note 1:

Time intervals listed should be understood as meaning the indicated period +/- 50% for time intervals shorter than a refueling interval.

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Note 2:

Items requiring 5 and 10 year inspections may be performed at the refueling either before or af ter the indicated period.

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ML20090H898

Text

Dear Mr. Denton:

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