TM 9-2320-279-20-2
Frame and Tire Carrier Maintenance Instructions (Cont)
14-15.01 SELF-GUIDED COUPLER REMOVAL/REPAIR/INSTALLATION
(M1977-CBT ONLY) (CONT).
e.
Installation.
CAUTION
Ensure sleeve is fully supported until after
step (2) is completed or sleeve may fall.
Failure to comply may result in damage to
parts.
(1)
With the aid of an assistant, position
sleeve (1) on truck (2).
(2)
With the aid of an assistant, install four
screws (3), washers (4), and nuts (5) in
sleeve (1). Tighten nuts to 500 lb-ft
(678 N•m).
Self-guided coupler weighs 100 lbs
(45 kg). Attach suitable lifting
device prior to installation to
prevent possible injury to personnel.
(3)
Attach lifting device to
self-guided coupler (6).
(4)
Position self-guided
coupler (6) on sleeve (1).
(5)
Install washer (7) and nut (8)
in self-guided coupler (6).
(6)
Tighten nut (8) to 100 lb-ft
(136 N•m).
(7)
Back off nut (8) to nearest
slot and install cotter pin (9).
(8)
Remove lifting device from self-guided coupler (6).
NOTE
If thickness of washer behind nut is less than 0.19 inch when steps (6) and (7) are repeated,
replace washer.
WARNING
f.
(9)
Check that axial clearance does not exceed 1/32 inch. If clearance exceeds 1/32 inch, remove
cotter pin (9) and repeat steps (6) and (7).
(10)
Install boot (10) and hose clamp (11).
Follow-on Maintenance. Lubricate self-guided coupler (LO 9-2320-279-12).
END OF TASK
14-28.8
Change 2
