TM 9-2320-260-34
16-34. CRANE SHIPPER, BOOM, BOOM EXTENSION, AND ROLLERS
MAINTENANCE (M819) (Contd)
t. Shipper Installation
1.
Attach chain with spreader bar to boom extension (1) and shipper (2) to hold boom extension (1) and
shipper (2) together during installation.
2.
Attach chain to lifting device.
WARNING
All personnel must stand clear during lifting operations.
q
A swinging or shifting load may cause injury to personnel.
q Ensure lifting capacity is greater than weight of shipper.
Failure to do so may result in injury to personnel or damage
to equipment.
NOTE
Two assistance will help with steps 3 through 10.
3.
Attach two guide lines to shipper (2), and boom extension (1) and lift shipper (2) over boom
support (3) on vehicle.
4.
Aline pivot pin holes on shipper (2) and boom support (3), and install shipper (2) on boom support (3)
with pivot pin (9).
Install screw (6) and nut (5) on trunnion (7) and pivot pin (9).
5.
6.
Connect shipper braces (4) to shipper (2) (refer to TM 9-2320-260-10), remove chain and spreader
bar from shipper (2), and attach chain to end of shipper (2).
Disconnect shipper braces (4) from shipper (2) (refer to TM 9-2320-260-10), and lift end of shipper (2)
7.
to height sufficient to connect lift cylinder trunnion (11) to shipper (2).
Move lift cylinder trunnion (11) to aline with shipper trunnions (10).
8.
With holes in lift cylinder trunnion (11) and shipper trunnions (10) alined, install pivot pin (12)
9.
on cylinder trunnion (11) and shipper trunnions (10) with two screws (13) and nuts (14).
10.
Lower shipper (2) to normal stowage height, and connect shipper braces (4) to shipper (2)
(TM 9-2320-260-10).
11.
Remove chain and two guide lines from shipper (2) and lifting device.
12.
Wrap male threads on hoses (20) and (21) with antiseize tape.
13.
Connect hoses (20) and (21) to elbows (18) and (19) and tubes (15) and (16). Tighten swivel nuts (17).
14.
Install two grease fittings (8) on pivot pin (9).
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