Lull 944E-42 Service Manual - Manual (Page 52)

Boom
3.4 Model 644E-42/944E-42 Rev. 6/04
3.3.1 Inner Boom Replacement
a. Inner Boom Removal
1. Remove any attachment from the quick attach
assembly. (Refer to Section 3.6.1, “Disconnecting
from an Attachment.”)
Note: If you are replacing the inner boom with a new
inner boom, remove the quick attach (1) from the inner
boom. (Refer to Section 3.6.3, “Quick Attach
Disassembly.”)
Note: This procedure will require a clear space of
approximately 16 feet at the front and rear of the vehicle.
2. Park the vehicle on a hard, level surface. Move the
boom to a horizontal (level) position. Extend (or retract)
the boom until the boom is extended approximately 3
to 6 inches (76 to 152 mm).
3. If still attached, move the quick attach (1) to the
horizontal position. Place the travel select lever in
the (N) NEUTRAL DETENT position, engage the
parking brake and shut the engine OFF.
4. At the front of the intermediate boom, remove the
capscrews (2) and flat washers (3) holding the top
and side wear pads (4) and shims (5) to the inside of
the intermediate boom. Label the wear pads and
shims positions for later replacement. Save the shims,
capscrews and washers.
5. Remove the rear cover by removing four capscrews
(6) and flat washers (7). Remove the boom rear
cover (8). Leave the clips (9) attached to the cover.
WARNING:
Wear protective footwear
with reinforced toe caps and slip-resistant
soles. Failure to comply can result in foot or
other bodily injury from slipping or falling.
WARNING:
NEVER lift a heavy object
without the help of at least one assistant or a
suitable sling and hoist. Failure to comply can
result in death or serious personal injury.
MU0970
1
MU0980
2
3
4
5
4
2
3
2
3 4
MU0170
6
7
6
7
7
6
7 8
9