M977 and M985 Operating Procedures (Cont)
2-18. M977, M985 CRANE OPERATION (MANUAL CONTROLS) (CONT).
Boom must rest on rest pad when transporting vehicle.
If not, damage to vehicle can result.
Move MAST control lever (11) to DOWN position to lower mast (12)
until mast is completely folded down. Use BOOM control lever (13)
simultaneously as required to maintain boom at approximately 45_
above horizontal until mast is completely folded down.
Move BOOM control lever (13) to DOWN position until boom (9)
comes to rest on mast rest pad (14).
Release hook lock before connecting load hook to
stowage ring bracket to avoid damage to hook lock.
Stowage ring is smallest hole in bracket.
Connect load hook (15) to stowage ring bracket (16). Move HOIST
control lever (6) in UP position to remove slack from hoist cable (7).