SEAL-O-RING 6V6339 - Caterpillar

TEBE0664-00
22Nov2013
U-574
A-393
Before/After
PRODUCT SUPPORT PROGRAM FOR REPLACING THROTTLE COOLANT SUPPLY AND RETURN LINES ON CERTAIN G3520C GENERATOR SETS
1265 1269 1380 PS44089
This Program must be administered either before or after failure.In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS44089" as the Part Numberand "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code.If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
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
30Nov2014
PROBLEM
The existing hard throttle coolant supply tubes can cause overloading on the connection to the aftercooler water supply and return lines on certain G3520C Generator Sets. The connection point for the water cooled throttle water supply lines may leak at the aftercooler circuit connections.
AFFECTED PRODUCT
Model Identification Number
G3520C GZJ00646-00663
PARTS NEEDED
Qty
Part Number Description
1 0L2070 BOLT
1 0S1590 BOLT
2 2A2677 SPACER-STUD
4 3H8683 CLIP
3 5M2894 WASHER-HARD
6 6V9746 SEAL-O-RING-ORFS
1 8M9124 WASHER-HARD
1 9S8752 NUT-FULL
1 2365182 TUBE AS (if needed)
1 2655221 TUBE AS (if needed)
4 3537953 GROMMET
2 3650682 ADAPTER-STR
1 4377369 HOSE AS
1 4390805 HOSE AS
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
Follow all safety guidelines in the Operation and Maintenance Manual then follow the attached Rework Procedure.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-8000 hrs,
0-12 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
8001-16000 hrs,
13-24 mo 80.0% 80.0% 0.0% 0.0% 20.0% 20.0%
16001-30000 hrs,
25-48 mo 50.0% 50.0% 0.0% 0.0% 50.0% 50.0%
This is a 2.0-hour job
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
Remove the following components:
Callout Part Number Description Qty
1 418-1233 HOSE AS 1
2 418-1234 HOSE AS 1
3 1L-2731 2
4 8M-9124 WASHER-HARD 1
5 0S-1591 BOLT 1
6 5M-2894 HOSE AS 1
7 6V-9746 SEAL-O-RING-ORFS 4
8 7X-7902 ELBOW 1
9 367-6006 CONNECTOR AS 1
10 236-5182 TUBE AS 1
11 265-5221 TUBE AS 1
Image1.1.1
If the welded bosses are cracked or leaking on the aftercooler water supply tubes (10 and 11), remove them.
Image1.2.1
Install the following new components:
Callout Part Number Description Qty
1 437-7369 HOSE AS 1
2 439-0805 HOSE AS 1
3 6V-9746 SEAL-O-RING-ORFS 6
4 365-0682 ADAPTER AS-STR 2
5 3H-8683 CLIP 4
6 353-7953 GROMMET 4
7 5M-2894 WASHER-HARD 3
8 0S-1590 BOLT 1
9 0L-2070 BOLT 1
10 9S-8752 NUT-FULL 1
11 2A-2677 SPACER-STUD 2
12 8M-9124 WASHER-HARD 1
13 236-5182 TUBE AS 1
14 265-5221 TUBE AS 1
Image1.3.1
If the old tube?s welded bosses were cracking or leaking, replace with 236-5182 Tube As. and 265-5221 Tube As.