16-36. CONTROL VALVE BANK REPLACEMENT (M819)
THIS TASK COVERS:
b. Installation
a. Removal
REFERENCES (TM)
APPLICABLE MODELS
LO 9-2320-260-12
M819
TM 9-2320-260-10
TOOLS
TM 9-2320-260-20
General mechanic's tool kit
TM 9-2320-260-34P-2
(Appendix B, Item 1)
EQUIPMENT CONDITION
1-1/2-in. open-end wrench
q Parking brake set (TM 9-2320-260-10).
Z Hydraulic oil tank drained (LO 9-2320-260-12).
1-5/8-in. open-end wrench
Z Disconnect battery ground cable
1-11/16-in. open-end wrench
(TM 9-2320-260-20).
GENERAL SAFETY INSTRUCTIONS
Lifting device
All personnel must stand clear during lifting
Chain
operations.
MATERIALS/PARTS
q Ensure lifting capacity is greater than weight of
Three locknuts (Appendix D, Item 192)
control valve bank.
Antiseize tape (Appendix C, Item 50)
Cap and plug set (Appendix C, Item 6)
1. Remove screw (4) and wire (3) from windshield wiper motor (2).
2. Remove screw (8) and wiper arm (7) from shaft (6).
3. Remove slotted nut (10) and adapter (11) from shaft (6).
4. Remove two nuts (9), lockwasher (12), flat washer (13), and seal (14) from shaft (6).
5. Remove windshield wiper motor (2) from cab front panel (15).
6. Working inside cab, remove seven screws (1) and plate panel (23) from cab brackets (16).
7. Remove two nuts (19) and clamp (20) from studs (21) and tubes (5) on inside left wall of cab (22).
CAUTION
Clean area around hoses and lines before removal to prevent
q
entry of dirt. Damage will occur if dirt or dust enters system.
Cap or plug all openings immediately after disconnecting lines
q
and hoses to prevent contamination; Remove plugs prior-to
installation. Failure to do so may result in damage to hydraulic
system.
NOTE
Have drainage container ready to catch oil.
q
q Tag hydraulic hoses and tubes for installation.
8. Disconnect seven tubes (5) and four hoses (18) from control valve bank (17).
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