TM 9-2320-260-20
13-26. DUMP HOIST CONTROL BOX MAINTENANCE
THIS TASK COVERS:
a. Removal
d. Assembly
e. Installation
b. Disassembly
c. Cleaning and Inspection
INITIAL SETUP
EQUIPMENT CONDITION
APPLICABLE MODELS
Parking brake set (TM 9-2320-260-10).
M817
GENERAL SAFETY INSTRUCTIONS
MATERIALS/PARTS
Eye protection is required when using a wire
Two cotter pins
brush.
Six lockwashers
Keep fire extinguisher nearby when using
Four woodruff keys
drycleaning solvent.
Gasket
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-20P
1. Remove two cotter pins (18), straight pins (16), and clevises (17) from levers (2). Discard cotter
pins (18).
2. Remove nut (14), lockwasher (13), and screw (11) from two control box levers (12). Discard lock-
washer (13).
3. Remove two control box levers (12) from control valve trunnion (8) and control box (15).
4. Remove two screws (1), lockwashers (3), nuts (4), and levers (2) from control box (15). Discard
lockwashers (3).
5. Remove four woodruff keys (9) from shafts (10). Discard woodruff keys (9).
6. Remove three screws (6), lockwashers (7), and control box (15) from subframe (5). Discard
lockwashers (7).
13-62