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 TM 9-2320-285-24-2
3-24. BRAKE CONTROLS MAINTENANCE
a. Air Control Valve.
This task covers:
a. Removal
d. Inspection
b. Disassembly
e. Reassembly
c. Cleaning
f. Installation
INITIAL SETUP
Tools
Personnel Required
No. 1 Common Organizational Maintenance
Two Automotive Repairers MOS 63H
Tool Kit
Adjustable open end wrench
Equipment Condition
Socket wrench set
Paragraph
Condition Description
Torque wrench
Screwdriver
Parked on level surface,
Screwdriver set
engine off, and parking brake
Automotive Mechanic's Tool Kit
applied.
Pliers
2-41h(l)
All air pressure relieved.
2-51a
Tractor brakes lines and
Materials/Parts
fittings removed from air
Cleaning solvent
Item 1, Appendix C
control valve.
Clean cloths
Item 2, Appendix C
2-53a
Trailer brakes lines and
Gasket
FSCM 06853 PN 293426
fittings removed from air
Spool assembly
FSCM 06853 PN 101570
control valve.
Spool assembly
FSCM 06853 PN 101569
Maintenance kit
FSCM 06853 PN 101557
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1
Right hand
a.
Pin (1)
Press out
instrument
b.
Red button (2)
Remove
panel
c.
Pin (3)
Press out
d.
Yellow button
Remove
(4)
2
Cab,
a. Plug (5)
Remove
underside
b. Four locknuts
Remove
While assistant holds screws
(6)
(8) from above
c. Valve assembly
Remove
From tractor
(7)
3
Cab, inside
Four screws (8)
Remove
DISASSEMBLY
4
Air
a. Four screws (9) Remove
control
b. Cover plate (10) Remove
valve
c. Four screws (11) Remove
3-169
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