TM 9-2330-275-14&P
4-54. DRAWBAR ASSEMBLY MAINTENANCE (Con’t).
NOTE
Porform step 3 only for the M632 (SN J089-001 thru 159 and J017-160 thru 350).
3.
Install two screws (27) and stops (25) on end of drawbar adapter (26) with two nuts (23) and new Iockwashers
(24).
NOTE
Cotter pin must be installed in drawbar coupler through a side hole. Use notch
in adapter as a guide for proper placement of cotter pin.
4.
Install drawbar coupler (3) on drawbar adapter (6 or 26) with slotted nut (22). Torque nut between 300 and
325 Ib.-ft. (406 and 440 N•m). Tighten nut to nearest hole and install new cotter pin (2).
5.
lnstall two dummy couplings (13)
on drawbar (20) with four new
Iockwashers (14) and bolts (15).
6.
Install four clips (10) on drawbar
(20) with four new Iockwashers
(11) and screws (12).
7.
Install lanyard (16) on quick-
release pin (19) and drawbar pin
assembly (18).
8.
Install two lanyards (16) on
drawbar (20) with screw (17).
1.
2.
Apply grease to drawbar pin
assembly (
(20) on front of dolly set (1) and
install drawbar pin assembly
(18). Secure safety pin in
drawbar pin assembly (18).
d.
INSTALLATION
18). Position drawbar
Raise drawbar (20) and install
quick-release pin (19) on
drawbar (20).
M689, M840, and M832
(Except SN J089-001 thru 159 and J017-160 thru 350)
FOLLOW-ON TASKS:
l Install safety chains and air hoses on drawbar.
4-145
