TM 9-2320-260-20
I
13-44. TRACTOR WRECKER CONTROL VALVE REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
EQUIPMENT CONDITION
APPLICABLE MODELS
Parking brake set (TM 9-2320-260-10).
M819
q Hydraulic oil tank drained (LO 9-2320-260-12).
MATEWALS/PARTS
Three locknuts
GENERAL SAFETY INSTRUCTIONS
All personnel must stand clear during lifting
operations.
REFERENCES (TM)
q Ensure lifting capacity is greater than weight of
control valve bank.
LO 9-2320-260-12
TM 9-2320-260-10
TM 9-2320-260-20P
1. Remove screw (4) and wire (3) from windshield wiper motor (2).
2. Remove screw (9) and wiper arm (8) from shaft (5).
3. Remove slotted nut (10) and adapter (11) from shaft (5).
4. Remove two nuts (7), lockwasher (12), washer (13), and seal (14) from shaft (5).
5. Remove windshield wiper motor (2) from cab front panel (15).
6. Working inside cab, remove seven screws (1) and plate panel (23) from two cab brackets (16).
7. Remove two nuts (19) and clamp (20) from two studs (21) and tubes (6) on inside left wall of cab (22).
CAUTION
Clean area around hoses and lines before removal to prevent
entry of dirt. Damage will occur if dirt or dust enters system.
Cap or plug all openings immediately after disconnecting lines
q
to installation. Failure to do so may result in damage to
hydraulic system.
NOTE
Have drainage container ready to catch oil.
Tag hydraulic hoses and tubes for installation.
q
8. Remove seven tubes (6) and four hoses (18) from control valve (17).
13-100