TM 5-3805-280-24-2
Hydraulic System
ASSEMBLE HYDRAULIC PUMP AND DRIVE
CAUTION: DO NOT heat oil over 182C (360F).
Oil fumes or oil can ignite above 193C (380F).
Use a thermometer. Do not allow a flame or
heating element to come in direct contact with
the oil. Heat the oil in a well-ventilated area.
Plan a safe handling procedure to avoid burns.
1. Heat roller bearings (6 and 8).
Roller Bearing Heat--Specification
Temperature ......................................................... 50--80C (122--176F)
2. Apply oil to bearing. Push roller bearing (6) on drive
shaft so inner race is tight against shoulder.
3. Install spacer ring (7) and roller bearing (8).
4. Apply oil to threads of bearing nut (9).
5. Tighten bearing nut using JDG769 Spanner Wrench.
Pump Drive Shaft Bearing Nut--Specification
Rolling Drag Torque .................................. 2.16 0.49 Nm (19 4 lb-in.)
3--Front Pump Drive Shaft
4--Rear Pump Drive Shaft
6--Roller Bearing
7-- Spacer Ring
8--Roller Bearing
9--Bearing Nut
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TX,33,UU3784
1921SEP981/9
21-80