TM 9-4940-568-10
2-51
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:
Ensure that area is clear of personnel before moving SWING control lever.
Boom should be swung slow enough so crane operator has complete control.
If operator cannot see load during operation, operate crane from REMOTE
CONTROL UNIT. Boom moving out of control could cause serious injury or death.
Do not touch SWING mode until crane is fully deployed. Boom must be
above shelter and doors for clearance to avoid damage to shelter or boom.
NOTE
Crane rotation is limited to 300 degrees.
48
Monthly
Crane Control
Levers
(g) Move SWING control lever (6) to
clockwise position to move boom (4)
clockwise. Check that boom does not turn
counterclockwise
Boom will not swing or
moves in wrong direction.
(h) Move SWING control lever (6) to CCW
position to move boom (4) counterclockwise.
Check that boom does not move clockwise.
Boom will not swing or
moves in wrong direction.
4
6
