PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON ON CERTAIN 336F, 340F AND 352F EXCAVATORS, 725, 730 AND 735 ARTICULATED TRUCKS, 772G OFF-HIGHWAY TRUCKS, 826K LANDFILL COMPACTORS, 966, 972 AND 980 WHEEL LOADERS, D6T TRACK-TYPE TRACTORS, AND P Caterpillar


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PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON ON CERTAIN 336F, 340F AND 352F EXCAVATORS, 725, 730 AND 735 ARTICULATED TRUCKS, 772G OFF-HIGHWAY TRUCKS, 826K LANDFILL COMPACTORS, 966, 972 AND 980 WHEEL LOADERS, D6T TRACK-TYPE TRACTORS, AND PM620 COLD PLANERS [UEBE1288]
AIR INLET AND EXHAUST SYSTEM
INLET GP-AIR
PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON ON CERTAIN 336F, 340F AND 352F EXCAVATORS, 725, 730 AND 735 ARTICULATED TRUCKS, 772G OFF-HIGHWAY TRUCKS, 826K LANDFILL COMPACTORS, 966, 972 AND 980 WHEEL LOADERS, D6T TRACK-TYPE TRACTORS, AND P
UEBE1288-00

28Sep2020


B420
L030

 
Containment -
Before/After

 (Limited distribution) 
  

PRODUCT SUPPORT PROGRAM FOR REPLACING THE NRS COOLER ON ON CERTAIN 336F, 340F AND 352F EXCAVATORS, 725, 730 AND 735 ARTICULATED TRUCKS, 772G OFF-HIGHWAY TRUCKS, 826K LANDFILL COMPACTORS, 966, 972 AND 980 WHEEL LOADERS, D6T TRACK-TYPE TRACTORS, AND PM620 COLD PLANERS

108G
PS91126
NOTE:

AVSpare’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to AVSpare.

NOTE:

This Containment Program can be administered either before or after a failure occurs. In either case the decision whether to apply the Program is made by the dealer and service rep. Obtain the service reps Goodwill Approver Code before completing the repair. EAME dealers should use their standard Industry Group specific goodwill approval codes. The Goodwill Approver Code must be included when submitting the claim.

NOTE:

When reporting the repair, use "PS91126" as the Part Number and "7777" as the Group Number. If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as Warranty Claim Description Code and use "Z" as the SIMS Description Code.

NOTE:

The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your AVSpare product analyst.


TERMINATION DATE

31Mar2021

PROBLEM

The existing NRS cooler can fail on certain 336F, 340F, 352F Excavators, 725, 730 and 735 Articulated Trucks, 772G Off-Highway Trucks, 826K Landfill Compactors, 966, 972 and 980 Wheel Loaders, D6T Track-Type Tractors, and PM620 Cold Planers. If the existing NRS cooler fails internally it can lead to coolant getting into the air system and potentially cause additional engine damage.

AFFECTED PRODUCT

Model Identification Number
*******Group  1*******
980M  N8T00858
*******Group  2*******
826K  23206227
*******Group  3*******
336F L NBS00246, 332, 434

WTZ00207
336F LN LJY00160

RBC00222
336F LNXE  YBH00149-00150
336F LXE  LTP00213
340F  EAR00263
725C  TFB00217
725C 2  2T300163
966K XE  NGX00337, 397
966M DYC00435, 480, 526, 1077, 1171-1172, 1322

KJP00475
966M XE  P6C00312, 454, 1107
972M A8P00244, 248, 402, 1004

JPR00354, 366, 409, 414, 420, 480, 500, 897
D6T LGP  SGT00459
D6T LGP PAT  CR300128
D6T XW PAT  STE00121, 127
*******Group  4*******
772G  KEX00253
PM620 HRC  JB900118
*******Group  5*******
735B  T4P00423, 427-428, 445-446, 453-454
*******Group  6*******
730C  TFF00386, 1007, 1319, 1410
730C 2  2T400231-00232
*******Group  7*******
352F (VG)  KBP00337, 447

PARTS NEEDED

Qty

Part Number Description
*******Group 1*******
2 6V5843 BOLT-HEX HEAD
1 6V9027 SEAL-O-RING
3 7L6580 SEAL-O-RING
1 8S0023 CLIP-2 PIECE
1 8S0024 CLIP-2 PIECE
2 8T4971 BOLT
1 8T5917 SEAL-O RING
3 8T9085 BOLT
3 9N5085 CLAMP-V-BAND
1 9S8002 PLUG-LD STOR
1 2893107 GASKET
1 3249290 BELLOWS AS
2 3979301 SPACER-HARD
1 4493068 COOLER GP-EXH -B
1 4875075 ELBOW-COOLER
1 4982707 KIT-GASKET (T)
2 5097459 BRACKET AS
1 5146555 SHIELD AS
1 5170055 TUBE AS-WATER
1 5170061 BRACKET AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 2*******
6 0L1352 BOLT
1 0L2070 BOLT-HEX HEAD
2 0S0509 BOLT
1 0S1594 BOLT
1 2B2695 BOLT
1 3E4352 WASHER-HARD
2 4F7957 BOLT
7 5M2894 WASHER-HARD
2 5P0537 WASHER-HARD
2 7L6580 SEAL-O-RING
1 8S0023 CLIP-2 PIECE
1 8S0024 CLIP-2 PIECE
1 8T9588 SEAL-O-RING
3 9N5085 CLAMP-V-BAND
1 3249290 BELLOWS AS
1 4456881 HOSE
1 4493065 COOLER AS-NRS
1 4930357 TUBE AS-WATER
1 4930358 TUBE AS-WATER
1 4931489 BRACKET AS
4 5103002 CLAMP AS
2 5234273 CLAMP-BAND
1 5674589 BRACKET-MOUNTING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 3*******
1 8T5917 SEAL-O RING
2 9N5085 CLAMP-V-BAND
3 3054484 SEAL-O-RING
1 3147599 CLAMP-BAND
1 3249290 BELLOWS AS
1 4493090 COOLER GP-EXH -B
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 24% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 4*******
6 0L1352 BOLT
1 0L2070 BOLT-HEX HEAD
1 0S1618 BOLT
1 3E4352 WASHER-HARD
2 4F7957 BOLT
11 5M2894 WASHER-HARD
2 5P0537 WASHER-HARD
2 7L6580 SEAL-O-RING
1 8T9588 SEAL-O-RING
2 9M1974 WASHER-HARD
3 9N5085 CLAMP-V-BAND
1 3249290 BELLOWS AS
1 4456881 HOSE
1 4493065 COOLER AS-NRS
1 4808231 TUBE AS-WATER
1 4808232 TUBE AS-WATER
1 4950924 BRACKET AS
4 5103002 CLAMP AS
2 5234273 CLAMP-BAND
1 5674589 BRACKET-MOUNTING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 5*******
6 0L1352 BOLT
1 0L2070 BOLT-HEX HEAD
2 0S0509 BOLT
1 0S1594 BOLT
1 2B2695 BOLT
1 3E4352 WASHER-HARD
2 4F7957 BOLT
7 5M2894 WASHER-HARD
2 5P0537 WASHER-HARD
2 7L6580 SEAL-O-RING
1 8S0023 CLIP-2 PIECE
1 8S0024 CLIP-2 PIECE
1 8T9588 SEAL-O-RING
3 9N5085 CLAMP-V-BAND
1 3249290 BELLOWS AS
1 4456881 HOSE
1 4493065 COOLER AS-NRS
1 4930357 TUBE AS-WATER
1 4930358 TUBE AS-WATER
1 4931489 BRACKET AS
4 5103002 CLAMP AS
2 5234273 CLAMP-BAND
1 5334567 BRACKET AS
1 5674589 BRACKET-MOUNTING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 10% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 6*******
2 6V5843 BOLT-HEX HEAD
1 6V9027 SEAL-O-RING
3 7L6580 SEAL-O-RING
1 8S0023 CLIP-2 PIECE
1 8S0024 CLIP-2 PIECE
2 8T4971 BOLT
1 8T5917 SEAL-O RING
3 8T9085 BOLT
3 9N5085 CLAMP-V-BAND
1 9S8002 PLUG-LD STOR
1 2893107 GASKET
1 3249290 BELLOWS AS
2 3979301 SPACER-HARD
1 4374425 SEAL-O-RING
1 4493068 COOLER GP-EXH -B
1 4875075 ELBOW-COOLER
1 5107524 HOSE AS-AIR
1 5146555 SHIELD AS
1 5170055 TUBE AS-WATER
1 5170061 BRACKET AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 8% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

*******Group 7*******
1 5C7261 NUT-HEX
2 6V5843 BOLT-HEX HEAD
1 6V9027 SEAL-O-RING
1 7L6580 SEAL-O-RING
1 8S0023 CLIP-2 PIECE
1 8S0024 CLIP-2 PIECE
1 8T4224 WASHER-HARD
3 8T5917 SEAL-O RING
3 8T9085 BOLT
3 9N5085 CLAMP-V-BAND
1 9S8002 PLUG-LD STOR
1 2893107 GASKET
1 3249290 BELLOWS AS
2 3979301 SPACER-HARD
1 4374425 SEAL-O-RING
1 4493068 COOLER GP-EXH -B
2 4533363 BRACKET AS
1 4875075 ELBOW-COOLER
1 5105444 COVER AS
1 5120362 PLATE AS
2 5121318 SUPPORT AS
1 5146555 SHIELD AS
1 5170055 TUBE AS-WATER
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 29% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.


ACTION REQUIRED

Refer to the attached Rework Procedure.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-8000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
8001-10000 hrs,
61-72 mo 
50.0%
50.0%
50.0%
50.0%
0.0%
0.0%
 NOTE: This is a 4.5-hour job for Group 1

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-8000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
8001-10000 hrs,
61-72 mo 
50.0%
50.0%
50.0%
50.0%
0.0%
0.0%
 NOTE: This is a 4.0-hour job for Group 2

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 3*******
0-8000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
8001-10000 hrs,
61-72 mo 
50.0%
50.0%
50.0%
50.0%
0.0%
0.0%
 NOTE: This is a 4.0-hour job for Group 3

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 4*******
0-8000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
8001-10000 hrs,
61-72 mo 
50.0%
50.0%
50.0%
50.0%
0.0%
0.0%
 NOTE: This is a 4.0-hour job for Group 4

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 5*******
0-8000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
8001-10000 hrs,
61-72 mo 
50.0%
50.0%
50.0%
50.0%
0.0%
0.0%
 NOTE: This is a 4.0-hour job for Group 5

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 6*******
0-8000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
8001-10000 hrs,
61-72 mo 
50.0%
50.0%
50.0%
50.0%
0.0%
0.0%
 NOTE: This is a 5.0-hour job for Group 6

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 7*******
0-8000 hrs,
0-60 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
8001-10000 hrs,
61-72 mo 
50.0%
50.0%
50.0%
50.0%
0.0%
0.0%
 NOTE: This is a 6.0-hour job for Group 7



PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
 
 
 


Rework Procedure


Group Number 1  
 
Replace NRS cooler with the same part following instructions outlined in Service Magazine, M0076538. For additional system checks that may be required, reference Special Instruction M0069778 "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction M0070968 for proper coolant drain and fill procedure. Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR4302 prior to starting machine once reworks are completed.
NOTE: To allow NRS Cooler bolts to be removed you will need to also remove the turbocharger as it interferes with some bolts. New turbo gaskets, seals etc. are included for replacing the turbocharger.
 
 
Group Number 2  
 
Replace the failed NRS cooler with the new NRS cooler design following instructions outlined in SMAG M0083689 or M0083691. For additional system checks that may be required, reference Special Instruction M0069778 "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines.
Refer to Special Instruction M0070968 for proper coolant" drain and fill procedure. Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR3351 prior to starting machine once reworks are completed.
 
 
Group Number 3  
 
Replace NRS cooler with the new NRS cooler design following instructions outlined in Service Magazine, M0085324 or M0081814, "A New NOx Reduction System Cooler Group Is Now Used on All C9.3 Tier 4 Interim & Tier 4 Final Machine Engines".
Additional system checks may be required. Refer to Special Instruction,
M0069778, "System Check after an NOx Reduction System (NRS) Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for the proper coolant drain and fill procedure.
Pressure test the coolant system to verify no leaks are present using the Testing and Adjusting, "Testing the Radiator and Cooling System for Leaks" procedure prior to starting the machine once the rework is completed.
 
 
Group Number 4  
 
Replace the failed NRS cooler with the new NRS cooler design following instructions outlined in Service Magazine, M0083774, "A New NOx Reduction System Cooler Group and Water Lines Group Are Now Used on Certain C15 and C18 Tier 4 Final Machine Engines".
For additional system checks that may be required, refer to Special Instruction, M0069778, "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for proper coolant drain and fill procedure.
Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR3351 prior to starting machine once the rework is completed.
 
 
Group Number 5  
 
Replace the failed NRS cooler with the new NRS cooler and water lines design following the instructions outlined in Service Magazine, M0085195, "A New NOx Reduction System Cooler Group and Water Lines Group Is Now Used on Certain C15 and C18 Tier 4 Engines".
For additional system checks that may be required, reference Special Instruction, M0069778, "System Check after an NOx Reduction System (NRS) Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for proper coolant drain and fill procedure.
Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR0937 prior to starting machine once the rework is completed.
 
 
Group Number 6  
 
Replace failed NRS cooler with the updated NRS cooler following instructions outlined in Service Magazine, M0077450, "A New NOx Reduction System Cooler Group and Water Lines Group Is Now Used on Certain C13 Tier 4 Articulated Truck Engines".
For additional system checks that may be required, reference Special Instruction, M0069778, "System Check after an NOx Reduction System (NRS) Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for proper coolant drain and fill procedure.
Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR4302 prior to starting machine once reworks are completed.
 
 
Group Number 7  
 
Replace failed NRS cooler with a new NRS cooler following the instructions outlined in Service Magazine, M0078034. For additional system checks that may be required, reference Special Instruction M0069778 "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction M0070968 for proper coolant drain and fill procedure. Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR4302 prior to starting machine once reworks are completed.
 
 

Information System:

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 217-4193 AND 217-4195 COOLANT HOSES FROM DEALER PARTS STOCK
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND INSTALLING RADIO BRACKET FOR CAB PANEL ASSEMBLY ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ENGINE AND AFTERTREATMENT SOFTWARE ON CERTAIN 994K WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE BOOM CYLINDER, STICK CYLINDER, AND GRAPPLE CYLINDERS ON CERTAIN 559D AND 2384D KNUCKLE BOOM LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MACHINE PIN PLATE ON CERTAIN 150 AND 160 MOTOR GRADERS
PRODUCT SUPPORT PROGRAM FOR INSTALLING A NEW FRONT WHEEL ON CERTAIN 777G OFF-HIGHWAY TRUCKS AT REBUILD
PRODUCT SUPPORT PROGRAM FOR INSPECTING CONNECTING RODS AND POSSIBLY REPLACING A CYLINDER PACK ON CERTAIN 793F AND 794 OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PRODUCT LINK RADIO ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE CAMSHAFT ON CERTAIN 797F OFF-HIGHWAY TRUCKS, EQUIPPED WITH THE HIGH ALTITUDE ARRANGEMENT
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 445-9753 EXHAUST BRACKET ON CERTAIN 794 AC AND 796 AC OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE COMPRESSOR LINE CLAMPS ON CERTAIN 797F OFF-HIGHWAY TRUCKS WITH 4X4 ENGINE SERIAL PREFIX
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BRAKE CHARGING PUMP ON CERTAIN 773G AND 775G OFF HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING WHEEL BEARINGS USING AN IMPROVED PRELOAD PROCEDURE ON CERTAIN 12M 3, 120M 2, 140M 3, AND 160M 3 MOTOR GRADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING ENGINE BLOCKS AT PLANNED COMPONENT REBUILD (PCR) ON CERTAIN 797 AND 797B OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING TRANSMISSION SOFTWARE ON CERTAIN MOTOR GRADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE DEF PUMP ON CERTAIN CATERPILLAR PRODUCTS EQUIPPED WITH A C7.1 ENGINE
PRODUCT SUPPORT PROGRAM FOR REPLACING THE TURBINE INLET SENSOR ON CERTAIN 794 AC OFF-HIGHWAY TRUCKS EQUIPPED WITH HIGH ALTITUDE AIR SYSTEMS
PRODUCT IMPROVEMENT PROGRAM FOR PERFORMING NEW CALIBRATIONS ON CERTAIN 740 AND 745 ARTICULATED TRUCKS
PRODUCT SUPPORT PROGRAM FOR REMOVING THE RETARDER LEVER ON CERTAIN 745 AND 745C ARTICULATED TRUCKS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SHIMS AND BOLTS OF THE HITCH GP ON CERTAIN 140 GC MOTOR GRADERS
PRODUCT IMPROVEMENT PROGRAM FOR REWORKING CERTAIN 230-1070 ENGINE OIL PANS IN DEALER PART STOCK
PRODUCT SUPPORT PROGRAM FOR REMOVING THE RETARDER LEVER ON CERTAIN 745 ARTICULATED TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ENGINE OIL SCAVENGE PUMP BOLTS ON CERTAIN 797F OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING THE TRACTION CONTROL WIRING ON CERTAIN R1700 LOAD HAUL DUMP MACHINES