PRODUCT SUPPORT PROGRAM FOR REWORKING THE LINES GROUP FOR THE FAN MOTOR ON CERTAIN STANDARD CONFIGURATION 770 AND 772 OFF-HIGHWAY TRUCKS Caterpillar


PRODUCT SUPPORT PROGRAM FOR REWORKING THE LINES GROUP FOR THE FAN MOTOR ON CERTAIN STANDARD CONFIGURATION 770 AND 772 OFF-HIGHWAY TRUCKS

Usage:

REBE6164-00

30Aug2010


U-355
A-280
D-304
O-309

 
After Failure Only
  
  

PRODUCT SUPPORT PROGRAM FOR REWORKING THE LINES GROUP FOR THE FAN MOTOR ON CERTAIN STANDARD CONFIGURATION 770 AND 772 OFF-HIGHWAY TRUCKS

1386 1387 5057
PS51893
NOTE:

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS51893" as the Part Number and "7755" as the Group Number. Use "96" as the 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 Caterpillar product analyst.


TERMINATION DATE

31Aug2011

PROBLEM

The fan motor does not contain a case drain line on certain standard configuration 770 and 772 Off-Highway Trucks. The lack of a drain line can cause the fan motor to weep oil.

Note that trucks equipped with an exhaust diverter have a case drain, and no failures have been reported on trucks with the exhaust diverter attachment.

AFFECTED PRODUCT

Model Identification Number
*******Group  1*******
770  BZZ00069-00199
772  RLB00271-00357
*******Group  2*******
770  BZZ00200-00593
770 OEM  M7W00103
772  RLB00358-00615
772 OEM  J2M00100-00101

PARTS NEEDED

Qty

Part Number Description
*******Group 1*******
1 1S0994 CLIP-LOOP
1 3J7354 SEAL-O-RING
1 4J5477 SEAL-O-RING-ORFS
1 4K8864 CLIP-LOOP
1 6V8367 LOCKWASHER-TOOTH
4 6V8397 SEAL-O-RING-ORFS
1 6V8556 NUT-ORFS
1 6V8628 ADAPTER-ELBOW
1 6V8941 REDUCER-O-RING
1 6V9160 ADAPTER-TEE
1 6V9168 NUT-BULKHEAD
3 6V9746 SEAL-O-RING-ORFS
1 6V9850 ADAPTER-ELBOW
1 7D7233 CLIP-LOOP
1 8D9671 CLIP
6 8T4121 WASHER-HARD
1 8T4133 NUT
3 8T4136 BOLT
2 8T4137 BOLT
1 9C7929 BLOCK
1 2832530 KIT-SEAL
1 3017944 HOSE AS
1 3021483 HOSE AS
1 3466135 PLATE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% 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*******
2 1S0994 CLIP-LOOP
1 3J7354 SEAL-O-RING
1 4J5477 SEAL-O-RING-ORFS
1 4K8864 CLIP-LOOP
1 6V8367 LOCKWASHER-TOOTH
4 6V8397 SEAL-O-RING-ORFS
1 6V8556 NUT-ORFS
1 6V8628 ADAPTER-ELBOW
1 6V8941 REDUCER-O-RING
1 6V9160 ADAPTER-TEE
1 6V9168 NUT-BULKHEAD
3 6V9746 SEAL-O-RING-ORFS
1 6V9850 ADAPTER-ELBOW
1 7D7233 CLIP-LOOP
6 8T4121 WASHER-HARD
1 8T4133 NUT
3 8T4136 BOLT
2 8T4137 BOLT
1 9C7929 BLOCK
1 2832530 KIT-SEAL
1 3017944 HOSE AS
1 3021483 HOSE AS
1 3466135 PLATE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% 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

See the attached Rework Procedure for Routings. Refer to OMM for Fan Motor Disassembly and Assembly.
Image1
Image2

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-15000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 10.0-hour job for Group 1

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-15000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 10.0-hour job for Group 2



PARTS DISPOSITION

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


Rework Procedure


Group Number 1  
 
Rework Instructions: Group 1
Refer to the Service Manual if/as required.
Remove Fan Motor and install the new 283-2530 Seal Kit in the Fan Motor.
 
Locate and weld the 9C7929 Block into position. See Image1.2.1.
Attach 346-6135 Plate to the 9C7929 Block with (2) 8T4137 Bolts and (2) 8T4121 Hard Washers.
Image1.2.1
 
Attach the 6V9850 Elbow, 6V8397 O-Ring Seal, and 6V8941 Reducer O-Ring to 346-6135 Plate with a 6V9168 Bulkhead Nut and a 6V8367 Lock Washer. See Image1.3.1.
Image1.3.1
 
Attach the 301-7994 Hose to the 6V9850 Elbow and 6V8397 O-Ring Seal, and secure to 7D7223 Clip with a 4K8864 Clip, (2) 8T4136 Bolt, (2) 8T4121 Washers, and a 8T4133 Nut. See Image1.4.1.
Image1.4.1
 
Attach the 6V8628 Adapter Elbow, 3J7354 O-Ring Seal, and 4J5477 O-Ring Seal to the fan motor and to the 301-7994 Hose.
Attach the 6V9160 Adapter-Tee, 6V8556 Nut, 6V9746 O-Ring Seal, and (2) 6V8397 O-Ring Seals to the 2758982 Manifold. Re-attach the 3537478 Hose, and attach the 3021483 Hose to the 6V9160 Adapter Tee. See Image1.5.1.
Image1.5.1
 
Secure the 3021483 Hose with a 1S0994 Clip, 8D9671 Clip, (2) 8T4136 Bolts, and (2) 8T4121 Washer. See Image1.1.5
Image1.6.1
 
 
Group Number 2  
 
Rework Instructions: Group 2
Refer to the Service Manual if/as required.
Remove Fan Motor and install the new 283-2530 Seal Kit in the fan motor.
 
Locate and weld the 9C7929 Block into position. See Image2.2.1.
Attach the 346-6135 Plate to the 9C7929 Block with (2) 8T4137 Bolts and (2) 8T4121 Hard Washers.
Image2.2.1
 
Attach the 6V9850 Elbow, 6V8397 O-Ring Seal, and 6V8941 Reducer O-Ring to 346-6135 Plate with a 6V9168 Bulkhead Nut and a 6V8367 Lock Washer. See Image2.3.1.
Image2.3.1
 
Attach the 301-7994 Hose to the 6V9850 Elbow and 6V8397 O-Ring Seal, and secure to 7D7223 Clip with a 4K8864 Clip, (2) 8T4136 Bolts, (2) 8T4121 Washers, and a 8T4133 Nut. See Image2.4.1.
Image2.4.1
 
Attach the 6V8628 Adapter Elbow, 3J7354 O-Ring Seal, and 4J5477 O-Ring Seal to Fan Motor and to 301-7994 Hose.
Attach the 6V9160 Adapter-Tee, 6V8556 Nut, 6V9746 O-Ring Seal, and (2) 6V8397 O-Ring Seals to the 275-8982 Manifold. Re-attach 353-7478 Hose, and attach 302-1483 Hose to 6V9160 Adapter Tee. See Image2.5.1.
Image2.5.1
 
Secure the 3021483 Hose with (2) 1S0994 Clips, 8D9671 Clip, (2) 8T4136 Bolts, and (2) 8T4121 Washers. See Image2.6.1.
Image2.6.1
 
 

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