TM 9-2320-260-34-2
16-24. HOIST HYDRALIC PUMP AND SUPPORT MAINTENANCE (M816) (Contd)
I
b. Cleaning, Inspection, and Repair
1.
For general cleaning instructions, refer to para. 2-8.
2.
For general inspection instructions, refer to para. 2-9.
3. Inspect brush holder (1) for cracks, broken solder connections, and excessively worn brushes (3).
Replace brush holder (1) if cracked, or if brushes (3) are worn. Repair broken solder connections.
NOTE
Perform steps 4 through 6 if brush holder is being replaced.
4.
Install three brushes (3) in plate (2) by spreading cyanocrylate adhesive on contact surface of
brush (3) and pushing brush (3) into place.
5. Inspect wires (5) in grommet (6), and install grommet (6) in plate (2). Solder wires (5) to springs (7)
corresponding to the appropriate brush (3).
6. Install three brush covers (4) on plate (2).
c. Installation
NOTE
Assistant will help with steps 1 and 2.
1. Install support (12) on turntable (13) with six new Iockwashers (11) and screws (10). Tighten
screws (10) 25-31 lb-ft (34-42 Nm).
2. Install hydraulic pump (9) on support (12) with four new lockwashers (18) and screws (8). Tighten
screws (8) 44-61 lb-ft (60-83 Nm).
3. Install new gasket (17) and brush holder (1) on support (12) with four new lockwashers (16) and
screws (15).
4. Connect wires (5) to wiring harness (14).
5. Wrap male threads on hoses (19) and (20) with antiseize tape.
6. Install hoses (19) and (20) on hydraulic pump (9).
7. Install hose (20) on oil filter (21).
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