DAMPER 2817697 - Caterpillar

PARTS NEEDED
Qty
Part Number Description
2 4884578 PIN AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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 Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-6000 hrs,
0-48 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
6001-10000 hrs,
49-72 mo 33.0% 50.0% 0.0% 0.0% 50.0% 50.0%
This is a 20.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
If the speed of one of the crawler is too slow and the other crawler is normal when traveling, perform following steps.
1. Start the engine and set the engine speed dial to 10.
2. Check the pump pressure with the levers at neutral position by monitor. If the pump pressure is lower than standby pressure, proceed to the next step. If the pressure is over standby pressure, adjust the setting by referring to:
For 349F and 352F machines, refer to UENR2955, Testing and Adjusting, "Pump Control (Output Flow) - Adjust",
For 345D, 349D, and 349D2 machines, refer to KENR6775, Testing and Adjusting, "Pump Control (Output Flow) - Adjust".
For 349E machines, refer to KENR9605, Testing and Adjusting, "Pump Control (Output Flow) - Adjust".
Refer to Image1.2.1.
Image1.2.1
3. Remove the regulators and look into the inside of the pump.
- If the regulator pin is broken, perform following Rework Procedure.
- If the regulator pin is not broken, adjust the setting by referring to:
For 349F and 352F machines, refer to UENR2955, Testing and Adjusting, "Pump Control (Output Flow) - Adjust",
For 345D, 349D, and 349D2 machines, refer to KENR6775, Testing and Adjusting, "Pump Control (Output Flow) - Adjust".
For 349E machines, refer to KENR9605, Testing and Adjusting, "Pump Control (Output Flow) - Adjust".
Image1.3.1
Image1.3.2
Rework Procedure:
1. Replace the 247-8712 Pin Assemblies of the main hydraulic pump with new 488-4578 Pin Assemblies.
Note: If the pin assemblies were failed, the other pin assembly is required to be replaced at the same time.
For 349F and 352F machines, refer to UENR0194, Disassembly and Assembly, "Main Hydraulic Pump".
For 345D, 349D and 349D2 machines, refer to RENR9574, Disassembly and Assembly, "Main Hydraulic Pump and Pump Drive Coupling" and "Main Hydraulic Pump and Pump Drive Coupling".
For 349E machines, refer to KENR9848, Disassembly and Assembly, "Main Hydraulic Pump".