
OPERATING INSTRUCTIONS
1-3
Figure 1-3: Lowered Support Boom
Support Boom Assembly
Lowering Support Boom Assembly
1. Position trailer so that Support Boom Assembly can
be supported by an overhead hoist or comparable
apparatus.
2. Use sling capable of supporting Support Boom
Assembly, minimum #4000 capacity.
3. Sling under platform support to hold Support Boom
Assembly in upright position.
4. Loosen, but do not remove the following hardware
(See Figure 1-2.)
Locations A thru E are same for passenger side of
support boom.
a. 3/4-16 x 6 hex head cap screws located in the
two front lower legs designated at location A (2
locations)
b. 3/4-16 x 5-1/2 hex head cap screws designated
at location B (2 locations)
c. 3/4-16 x 5-1/2 hex head cap screws designated
at location D (2 locations)
d. 3/4-16 x 5-1/2 hex head cap screws designated
at location E (4 locations)
5. Remove 3/4-16 x 6 hex head cap screws, platform
washer, and hex lock nut designated at location C (2
locations). This hardware will be reused once the
support boom is lowered.
6. Use hoist to lower Support Boom Assembly to rear
trailer deck.
7. Position support arms as shown in Figure 1-3. Use
removed hardware to hold front platform brace in
place.
8. Tighten the loosened hardware to prevent losing
during transport.
9. Remove sling when complete.
Raising Support Boom Assembly
1. Position trailer so that Support Boom Assembly so
that can be supported by an overhead hoist or
comparable apparatus.
2. Use sling capable of supporting Support Boom
Assembly, minimum #4000 capacity.
3. Reverse instructions for lowering of Support Boom
Assembly (See “Lowering Support Boom
Assembly” on page 1-3.)
4. Be sure that all loosened hardware is retightened
once the support boom is in the raised position.
lowered support boom
SUPPORT BOOM ASSEMBLY
ATTACH SLING TO THIS
CROSSMEMBER FOR RAISING
SUPPORT BOOM
SCREW, PLATFORM
WASHER, AND HEX LOCK
NUT
REAR PLATFORM BRACE
FRONT PLATFORM BRACE
Platform brace arms pivot, creating pinch points.
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