ARMY TM 5-5420-212-23
MARINE CORPS TM 08676A-23/2
Cleaning solvent is toxic and flammable. Use only in well ventilated area and avoid prolonged
breathing of fumes. Keep solvent away from flames. Do not use in excessive amounts and avoid
Clean all parts to remove all dirt, rocks or grease.
Inspect frame (5) for burrs and gouges. Remove any burrs with a small flat file.
Inspect reinforcing post (15) for burrs, gouges and distortion. Remove any small burrs with a flat file. If any
damage is found, discard and replace with new post.
Inspect junction block (4) for burrs, gouges and damage with particular reference to jaws. Remove any burrs
or gouges with a flat file. If any damage is found, replace with new block.
Support reinforcing post (15) on trestles, then line up holes of sliding block (9) and post (15).
Replace pin (18) and washers (19) fitting spring pins (17).
Line up holes on junction block (4) and reinforcing post (15), then replace pin (14), washers (16) and spring
Take care that leading edge on frame (5) does not damage Polytetrafluoroethylene (PTFE)
coating on sliding block bearing pad (9).
Support frame (5) on crane and position it over reinforcing post (15) and slide onto sliding block (9).
Slide headless pin (11) into position with washers (12) and fit spring pins (10).
Align holes in cleat of wire rope assembly (1) and sliding block (9), then fit pin (7), washers (8) and secure
with spring pins (6). It may be necessary to raise pulley end of frame (5) to allow access.
Align holes of junction block (4) with mating holes in frame (5), then refit launching nose pin (3) and secure
with retaining clip (2).