Manitowoc Published 12-05-17, Control # 032-23 4-69
18000 OPERATOR MANUAL SET-UP AND INSTALLATION
Remove Crawlers
Mast should be operated between 114° (mast arms fully
extended) and approximately 150° — 26 ft (7,9 m) radius —
while lifting crawlers. Maximum capacity is limited to 120,000
lb (54 430 kg).
Remove First Crawler
Unless otherwise specified, see Figure 4-36 for the following
procedure.
1. Disconnect grease lines between carbody and crawler,
(Figure 4-18
, View D).
NOTE Loop grease lines together for shipping.
2. Disconnect crawler drive shaft as follows:
a. Travel both crawlers straight forward several feet
(meters).
b. Then travel both crawlers in required direction to
slacken top crawler pads at drive shaft end of both
crawlers.
c. Unpin drive shaft guard (1, View A) from carbody
and slide guard back only enough to access bolts
(3, View B).
d. Remove bottom bolts first. Remove top outermost
bolt last (easiest bolt to access).
With one bolt remaining, have assistants support
drive shaft with guard. Do not support it by holding
flange or shaft with hands. Drive shaft may spin
when last bolt is removed.
Remove last bolt carefully using a long extension
between bolt and ratchet or impact wrench.
Do not use your fingers to remove last bolt. KEEP
HANDS CLEAR of drive shaft flange.
e. Retract crawler drive shaft (4, View C) and place on
storage bracket (7).
3. Attach chains (8, View F) to crawler pads (9) and lugs
(10) on crawler frame (four places). Chains must be
snug so crawler pads do not sag when crawler is lifted.
4. Remove retaining pin (11, View F) and collar (12) from
both crawler connecting pins (13).
5. Store collars as shown in View E.
WARNING
Rotating Shaft Hazard!
Rotating drive shaft can cut or crush:
• Drive shaft can spin unexpectedly during
disassembly. To prevent serious injury to hands or
fingers, perform the following steps when
disconnecting drive shafts.
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