Usage:
March 10, 2003
U-66
Safety |
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HYDRAX SUPPLY TUBES ON CERTAIN G3606 AND G3608 ENGINES |
|
1307 |
PI10217
|
PROBLEM
The hydrax supply tubes need to be replaced on certain G3606 and G3608. The first G3606 and G3608 inline engine with the ADEM III control system experienced breakage of the hydrax supply tubes at early hours, which could result in a burn and/or a fire hazard.AFFECTED PRODUCT
Model | Identification Number |
3606 | 4ZS281-302 |
3608 | BEN208-217 |
PARTS NEEDED
Qty |
Part Number | Description |
|
9C5344 | SPACER |
|
0S1591 | BOLT |
|
9S8752 | NUT-FULL |
|
8T1887 | CLIP |
|
8T1888 | CLIP |
|
3V3308 | WASHER-HARD |
|
1253902 | TUBE AS |
|
1319372 | TUBE AS |
ACTION REQUIRED
- If the engine is in service replace the 1319372 Tube As. and the 1253902 Tube As.
- Install 2 8T1887 and 2 8T1888 Clips on the lines using a 0S1591 Bolt and a 9C5344 Spacer, 2 3V3308 washers, and a 9S8752 Nut.
- Also install an 8T1887 and 8T1888 Clip in place of the current clip on the rear crankcase cover.
- If the engine has less than 20 hours replace the clips only.
OWNER NOTIFICATION
U.S. and Canadian owners will receive the attached Owner Notification.SERVICE CLAIM ALLOWANCES
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report |
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach. (1-Owner Notification)
(2-Rework Procedure)
COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation3240 Arrow Drive
Anywhere, YZ 99999
SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HYDRAX SUPPLY TUBES
MODELS INVOLVED - CERTAIN G3606 AND G3608 ENGINES
Dear Caterpillar Product Owner:
New hydrax lines need to be installed on the products listed below. The first G3606 and G3608 inline engine with the ADEM III Control System experienced breakage of the hydrax supply tubes at early hours, which could result in a burn and/or a fire hazard. The tubes may need to be replaced, and clips will be added to the tubes. You will not be charged for the service performed.
Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated March 10, 2003 when scheduling this service.
We regret the inconvenience this may cause you, but urge you to have this service performed for your added safety and satisfaction.
Caterpillar Inc.
Identification #(s)
Attached to March 10, 2003 Service Letter
Rework Procedure
- Place a container at the lowest point under the Hydrax check valve and loosen the tubing nuts on the 1319372 Tubes As. and the 1253902 Tube As.
- After the hydraulic fluid has drained remove the old 1319372 and 1253902 Tube Assemblies and replace with new tubes.
- Remove the 5K9660 Clip that secures the 1319376 Tube As. to the rear crankcase cover.
- Replace the 5K9660 Clip with an 8T1887 and 8T1888 Clip. The same bolt, spacer, and washer may be reused.
- Torque bolt to 47 Nm+/-5Nm.
- Next, position one 8T1887 and one 8T1888 on the 1319372 Tube As approximately 2 inches forward of the 900 bend.
- Place another 8T1887 and 8T1888 Clip on the 1319376 Tube As. at 900 to the previously installed clip and approximately 2 inches above the bend in the tube.
- Tie the two tubes together using the 2 clip assemblies previously installed and, one 0S1591 Bolt, two 3V3308 Washers, one 9C5344 spacer, and one 9S8752 Nut.
- Torque the bolt to 47Nm +/-5 Nm.
- Refill the hydraulic reservoir as needed.
- Run engine and check for leaks.
Illustration 1
G3606 reference 2189964 Lines Gp Oil
G3608 reference 2221306 Lines Gp Oil