TM 9-2330-251-14&P
4-40. ACTUATOR WITH DRAWBAR COUPLER MAINTENANCE (M416A1) (Con't).
Remove 8 locknuts (11), 4 connecting links (38), 8 bearings (12), and 4 shafts (13). Discard locknuts.
6.
7.
Remove locknut (15) and screw (17) securing shock absorber (26) to channel (1 6). Remove drawbar
coupler (28) with shock absorber from channel. Discard locknut.
Remove snapring (29) and pin (27) and separate shock absorber (26) from drawbar coupler (28).
8.
Discard snapring.
Remove locknut (14) and screw (18) securing breakaway lever (37) to channel (1 6). Remove breakaway
9.
lever. Discard locknut.
10.
If damaged, open link and remove breakaway chain (36) from breakaway lever (37).
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open flame or excessive
heat. The solvent's flash point is 100F-130F (38C-59C). If you become dizzy
while using cleaning solvent, immediately get fresh air and medical help. If solvent
contacts eyes, immediately wash your eyes and get medical aid.
1.
Clean all removed parts with dry cleaning solvent and dry thoroughly.
2.
Inspect all parts for cracks, distortion, damaged threads, excessive corrosion, or other damage.
3.
Replace all damaged parts.
1.
If removed, install breakaway chain (36) on breakaway lever (37). Close link to secure breakaway chain.
2.
Install breakaway lever (37) on channel (16) with screw (18) and new locknut (14).
3.
Install shock absorber (26) on drawbar coupler (28) with pin (27) and new snapring (29).
4.
Position drawbar coupler (28) with shock absorber (26) in channel (1 6). Secure shock absorber to
channel with screw (17) and new locknut (15).
5.
Secure drawbar coupler (28) to channel (16) with 4 shafts (13), 8 bearings (12), 4 connecting links (38),
and 8 new locknuts (11).
Install washer (31 ), spring (32), push rod (25), and pin (30) on drawbar coupler (28).
6.
7.
Install master cylinder (1) on channel (16) with 4 spacers (23), 2 screws (22), and new locknuts (24).
8.
Install drawbar coupler bracket (21) on channel (16) with screw (19) and new locknut (20).
9.
Install Iockpin (34) and spring (33) in channel (16). Bend Iockpin to a 90 angle.
10.
Install plug (35) in channel (16).
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