TM 9-4940-568-10
2-63
Table 2-5. Operator’s Level Preventive Maintenance Checks and Services (Monthly) (CONT).
Item
No.
Interval
Item to
Check/
Service
Procedure
Not Fully Mission
Capable If:
Keep hook block at least two ft. (0.61 m) from end of boom. If hook block
hits end of boom it may damage cable or hook block and crane will lose
control functions. Wait six seconds for power to return and check crane for damage.
Do not let cable become slack or cable may get tangled on drum.
NOTE
When using telescope, operate TELESCOPE and HOIST levers at the same time.
Crane movement from one lever may be faster or slower than other when
operating two levers together.
50
Monthly
Crane Remote
Controls
(l) Move TELESCOPE control lever (13) to
IN position to retract boom (9) approximately
two ft. (0.61 m) while moving HOIST control
lever (10) in UP position to reel in cable (11).
Check that cable reels in.
9
11
13
10
