Reassembly After Air Shipment

KEY to figure 2-20.

1. Air service and emergency hose hand disconnect

2. Hex head bolt 3 / 4-16 NF x 2 1/ 2 long

3. Locknut

4. Wheel and suspension assembly

5. Trailer bed

same side of bar. See figure 2-21 rear view. Make sure

2-23. Reassembly After Air Shipment

clevis pin is locked or retained by the cotter pin.

a. The trailer body must be supported so that the

(4) Take the bridle sling (7) from storage

landing gear assembly, rear wheel and suspension

cabinet. The bridle sling has four cables (legs) fastened

assembly and the rear bumper assembly can be

to one lifting ring. Each leg has a clevis assembly on

mounted.

the free end. Inspect and check each leg for kinks or

sharp bends.

b. lnstall the rear wheel and suspension assembly

in the reverse order of preceding paragraph 2-22 d.

(5) Attach the clevis end of each leg of the

Torque frame mounting bolt 1/1-16 and nuts to 120- 15I

bridle sling to the opposite side of the 10 foot cables on

foot-pounds.

the spreader bars. Make sure clevis pin is locked or

retained by cotter pin. The hoisting sling should now be

c. Install rear bumper assembly in the reverse order

assembled so that when the bridle lifting ring is raised

of preceding paragraph 2-22 c.

the four legs will lift the two spreader bars from the

same side with the four 10 foot cables suspended with

d. Install landing gear assembly in the reverse order

their lifting hooks on free end.

of preceding paragraph 2-22 b.

WARNING

(6) Attach the hooks to the trailer using the first

Never attempt to lift or hoist trailer by

and third rings on each side designated as lifting. The

cables without using the spreader bars

slings must be attached so that the spreader bars go

provided and stowed on each trailer.

across the width of the trailer and the hooks are in the

Serious damage to equipment and injury

rings so that the cable is on the inside with the hook

to personnel may result.

point outside.

2-24. Preparation for Hoisting Trailer

(7) The trailer may now be raised with the bridle

lifting ring.

a. To hoist (lift) trailer for rail, shipboard, etc.,

loading use the slings and spreader bars provided. (fig.

(8) The lifting crane must be able to lift 30,000

2-2 1.)

Ibs.

b. To assemble lifting slings use the following

c. Disassembly hoisting slings and spreader bars in

procedure:

reverse order of preceding b. above. Before stowing

(1) Loosen and remove the two 5/8 x 4 in. long

lifting slings. clean all foreign matter and dirt front all

hex. hd. bolts and spacers securing each spreader bar

cables, check clevis assemblies for pin and cotter pin,

to trailer deck. Put each bolt and spacer in storage

smooth out kinks and sharp bends. Then stow cables

cabinet for safekeeping.

and bridle slings in storage cabinet. Secure spreader

bars on each end to trailer deck with the 5/8 x 4 in. long

(2) Take the four 10 foot long lifting cables (1,

hex. hd bolts and spacers.

fig. 2-21) from storage cabinet. Each cable has a clevis

12) (with pin /3) and cotter pin (4)) on one end and a

lifting hook 15) on the other end. Make sure, there are

no kinks or sharp bends in cable.

(3) Attach two 10 foot cables by the clevis to

each spreader bar (61 on opposite ends but on the

2-37