PUMP AS.-WATER 2036095 - Caterpillar

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
29Feb2020
PROBLEM
The existing implement pump suction tube assembly flange joint may crack at the welded joint on certain 990K Wheel Loaders. If the existing tube assembly fails, it may leak causing machine downtime.
AFFECTED PRODUCT
Model Identification Number
990K A9P00100-00102, 301-383
DJK00201-00271
PARTS NEEDED
Qty
Part Number Description
2 2H3935 SEAL-O-RING
1 5288957 TUBE AS
1 5288959 TUBE AS
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
Replace the failed 390-6589 Hydraulic Suction Tube Assembly with and new 528-8957 Tube Assembly. Replace the failed 390-6588 Tube Assembly with a new 528-8959 Tube Assembly. The new tube assemblies are improved with thicker walls and brazed joints. Refer to Image1 and 2.
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%
0-8000 hrs,
0-36 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 3.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.