PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT PUMP FITTING ON CERTAIN 950M AND 962M MEDIUM WHEEL LOADERS
AVSpare’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to AVSpare.
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 "PS46916" as the Part Number and "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 AVSpare product analyst.
|The orifice within the 564-9157 Fitting on the implement pump resonator may loosen causing unstable implement pressure on certain 950M and 962M Medium Wheel Loaders. The pressure instability may result in overheating of the hydraulic oil and/or audible noise from the implement pump.|
J1S03250-03280, 3284-3332, 3334-3374, 3376, 3382-3411, 3417-3419
XCJ20234-20242, 20244-20255, 20258-20281, 20286-20289, 20292-20311, 20313-20323, 20325-20377, 20381-20389, 20393, 20395-20409
JYD20158-20169, 20171-20188, 20190, 20192-20235, 20238-20246
|In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 11% 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.
|Replace the fitting on the implement pump located at position A as shown in Image1.
Refer to the attached Rework Procedure.
SERVICE CLAIM ALLOWANCES
|NOTE: This is a 1.0-hour job|
|Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.|
|Release Hydraulic Oil Pressure. Keep vacuuming air from Hydraulic Tank Filling Port. Refer RENR6331, Testing and Adjusting, "System Pressure - Release", for additional information.|
|1. The fitting is accessed from the right side of the machine between the rear tire and the frame. If equipped, the steering cylinder cover will need to be removed. Refer to Image1.2.1.|
|2. Disconnect the resonator hose from the fitting. Refer to Image1.3.1.|
|3. Remove the fitting from the pump. Refer to Image1.4.1.|
|4. Install the new fitting on the pump and tighten to a specified torque of 46 +/- 4.6 N.m (34 +/- 3.4 ft-lbs). Refer to Image1.5.1.|
|5. Reattach the resonator hose and tighten to a specified torque of 26 +/- 2.6 N.m (19 +/- 1.9 ft-lbs). Refer to Image1.6.1.|
|6. Remove the hydraulic tank vacuum and reinstall the steering cylinder cover, as required.|