3. On 1 piece boom assembly go to step 11.
4. Arrange arrows on boom sections (Fig. 1-4).
• Point arrows in same direction
away from
power head.
5. Attach middle boom section to first
boom section.
• Push middle drive screw out about 2 inches
toward the power head.
• Slide collar [13] over the middle boom hook
(Fig. 1-5).
• Turn screw by hand to align coupler hooks
between first and middle boom sections.
• Latch the two hooks together and
slide the collar over them (Fig. 1-6).
• Snap clip [14] next to collar (Fig. 1-7).
6. Attach boom clamps at the middle boom to
first boom joint (Fig. 1-8).
• Slide the middle boom section against the first
boom section.
• Place a boom clamp on each side of the boom
at the joint and line up the holes with those in
the boom.
• Finger tighten boom clamps with bolts [10] and
nuts [11].
7. Attach end boom section to middle boom
section to first boom section (Step 6).
8. Attach boom clamps at the end boom to
middle boom joint (Fig. 1-8).
• Repeat procedure used to attach middle boom
section to first boom section (Step 7).
NOTE: If installing a 3-piece boom assembly on
an eight foot high door refer to the instruction
sheet included with the optional boom extension
at this point.
Drive screw section and boom liner can slide
out of boom sections. Keep boom sections
level until operator is fully assembled
CAUTION
[10]
5/16"-18 Hex Head Shoulder Bolt
5/16"-18 Hex Head Flange Nut
[11]
9
Fig. 1-4 Arrange arrows
Fig. 1-8 Attach rail clamps
11
10
Clamp
het
slide collar
clip
Fig. 1-5
Fig. 1-6
Fig. 1-7
slide collar
[13]
Collar
Retaining Clip
[14]
