SkyTrak 6036 Service Manual - Manual (Page 22)

Section 3 Boom
3-4 6036/6036T S/N 9B0500 thru 14833
Boom
4. Use a sling and a suitable hoist to slide the
intermediate boom out the front of the outer
boom.
5. Record the number of shims beneath each
wear pad as you remove the rear bottom,
Fig. 3.6, and all front wear pads, Fig. 3.5, from
the intermediate boom.
6. Examine the chain sheaves for wear and
replace if necessary.
b. Inspection and Replacement
1. Inspect the boom and welds and contact JLG if
structural damage is detected.
Fig. 3.5 Front Wear Pads Attached to Intermediate
2. Inspect hoses and replace if damaged.
3. Inspect and replace wear pads as described in
paragraph 3.1.8.
c. Installation
1. Refer to Fig. 3.6 and install the rear bottom
wear pad, Fig. 3.6, on the intermediate boom.
Install a new pad if it is excessively worn (refer
to paragraph 3.1.8). Apply Loctite
® Removable
Threadlocker 242 to the capscrews and torque
them to 31 lb-ft (42 Nm).
2. Using a sling and a suitable hoist, slide the
repaired or new intermediate boom into the
outer boom.
3. Working through the rear boom cover opening,
refer to Fig. 3.6 and temporarily install the rear
top and side wear pads on the intermediate
boom. Replace pads that are excessively
worn. Use the same amount of shimming as
used when the pads were removed.
IMPORTANT: The ends of wear pad attaching
capscrews must not protrude beyond the wear pad
insert; the ends must range from flush to 0.19"
(5 mm) recessed in the wear pad insert (refer to
Fig. 3.3).
4. Refer to paragraph 3.1.1.c and install the inner
boom.
5. Connect the extend chains at the front of the
outer boom.
6. On the front of the intermediate boom, check
the gap between the intermediate boom side
and top wear pads and the inner boom,
Fig. 3.5. The gap should be 0.07 to 0.13
inches (1,8 to 3,3 mm) and equal on all sides.
Remove or install shims as required.
7. Working through the rear boom cover opening,
refer to Fig. 3.6 and check the gap between the
intermediate boom side and top wear pads and
the outer boom. The gap should be 0.07 to
0.13 inches (1,8 to 3,3 mm) and equal on all
sides. Remove or install shims as required.
8. Install the wear pads by applying Loctite 242 to
the capscrews and torquing them to 31 lb-ft (42
Nm).
9. Refer to Fig. 3.4 and apply anti-seize com-
pound to the rod end pin. Secure the rod end
of the boom extend/retract cylinder to the
intermediate boom with the rod end pin,
Fig. 3.4 and retaining rings.
GAP MUST BE 0.07 TO
0.13" (1,8 TO 3,3 mm)
INNER BOOM
INTERMEDIATE
BOOM
MA0051
PAD, INSERT (2),
SPACER, #10 GA SHIM,
FLAT WASHER (4),
LOCK WASHER (4),
3/8-16 X 1-3/4"
CAPSCREW (4)
PAD, #10 GA SHIM,
INSERT (4),
LOCK WASHER (8),
FLAT WASHER (8),
3/8-16 X 3/4"
CAPSCREW (8)
PAD, INSERT (2),
LOCK WASHER (6),
FLAT WASHER (6),
3/8-16 X 7/8"
CAPSCREW (2),
3/8-16 X 1-3/4"
CAPSCREW (4)