TM 9-2320-260-34
16-34. CRANE SHIPPER, BOOM, BOOM EXTENSION, AND ROLLERS
MAINTENANCE (M819) (Cont'd)
12. Attach chain and spreader bar t.o shipper (2) and lifting device. Take up slack in chain.
13. Disconnect shipper braces (4) from shipper (2) (TM 9-2320-260-10).
14. Remove two grease fittings (8) from pivot pin (9).
15. Remove nut (5) and screw (6) from trunnion (7) and pivot pin (9).
16. Remove pivot pin (9) from shipper (2) and support (3).
17. Attach two guide ropes to shipper (2) and boom extension (1).
WARNING
All personnel must stand clear during lifting operations.
A swinging or shifting load may cause injury to personnel.
Ensure lifting capacity is greater than weight of shipper.
Failure to do so may result in injury to personnel or damage
to equipment.
NOTE
Three assistants will help with step 18.
18. Lift shipper (2) away from boom support (3) and vehicle, and set shipper (2) on wood blocks.
19. Remove guide ropes, chains, and spreader bar from boom extension (1), shipper (2), and lifting
device.
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