M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-12. EXTENSION NO. 1 AND WEAR PADS REMOVAL/INSTALLATION (CONT).
(3) Raise extension No. 1 and remove two
(EXTENSION NO. 1 REMOVED FOR CLARITY)
wear pads (5) from extension No. 2 (6).
Keep out from under heavy parts.
Falling parts may cause serious injury or
(4) Attach suitable lifting device and
remove extension No. 1 (7) from
extension No. 2 (6).
(5) Remove two screws (8) and wear pads (9).
Adhesives, solvents, and sealing compounds can
burn easily, can give off harmful vapors, and are
harmful to skin and clothing. To avoid injury or
death, keep away from open fire and use in
well-ventilated area. If adhesive, solvent, or
sealing compound gets on skin or clothing, wash
immediately with soap and water.
Clean all metal parts in dry cleaning solvent.
Inspect each part for damage.
Replace damaged parts.
Inspect wear pad thickness. If wear pad is
under 0.250 in. (6.35 mm) replace pad.