Manitowoc Published 12-05-17, Control # 032-23 4-65
18000 OPERATOR MANUAL SET-UP AND INSTALLATION
13. Attach nylon lifting slings (18) from assist crane to top
chords of mast inserts (14 and 15, View J).
Lift against chords only — never lift against lacings.
Adjust slings so insert lifts level.
14. Lift inserts (14 and 15) clear of mast butt and place
inserts on blocking at least 8 in (203 mm) high.
15. Disassemble inserts if required.
16. Attach chain slings (12, View K) from assist crane to
lifting lugs on mast top (13).
17. Lift mast top into position next to mast butt.
Haul in wire rope on Drum 4 while performing this step.
18. Engage fixed pins (22, View M) in mast top with hooked
connectors (23) in mast butt.
19. Lower mast top until bottom connector holes line up.
20. Install pins (17, View N).
21. Disconnect chain slings (12).
Remove Mast Butt and Top
The mast butt, mast top, and boom hoist equalizer are
shipped assembled.
See Figure 4-27
for the following procedure.
1. Attach chain sling (3, View A) from assist crane to lifting
lugs on mast butt and mast top.
Grab hooks must be toward mast butt. Shorten both
rear legs of sling by 13 links to provide proper lifting
balance.
1. Unpin keeper plates (1, View C) and rotate them out of
way. On current production cranes, pin the keeper plate
to shoulder screw (11) to retain the keeper plate.
NOTE Alignment pins (9) are not installed during mast
removal.
2. Slowly hoist against mast top until mast supports (7,
View F) disengage rotating bed.
3. Remove mast support pins (8) from storage, raise mast
supports (7), and pin supports in stored position (View
E).
4. Using remote control, disengage mast connecting pins.
5. Lift mast butt and top away from crane.
6. For Serial Number 18001113 and newer, deploy mast
supports (see page 4-41
).
7. Place mast top and butt on transport vehicle and
disconnect lifting slings.
8. Using setup remote control, engage mast connecting
pins for storage in rotating bed and engage keeper
plates (1, View B).
Remove Rear Platforms and Catwalk
(Past Production
To remove rear platforms and catwalk, reverse steps under
Install Rotating Bed Catwalks and Steps topic on page 4-20
(Past Production).
Remove Rear Platforms and Catwalk
(Current Production)
To remove rear platforms and catwalk, reverse steps under
Move Platforms Into Working Position on page 4-26
, Install
Cab Rear Platform on page 4-26
, Install Cab Left Platform on
page 4-24
, and Install Rotating Bed Side and Rear Catwalks
and Steps (Current Production) on page 4-22
.
Remove Crane Counterweight
The crane (upperworks) counterweight must be removed
with an assist crane.
Do not remove carbody counterweight until crane
counterweight is removed.
See Figure 4-25
, Views B - D for the following procedure.
1. Attach chain sling from assist crane to lifting lugs (6,
View D) on counterweight box (13). Lift one box at a
time.
2. Boom, swing, and hoist as necessary to lift box off
counterweight tray and lower to ground or transport
vehicle.
3. Disconnect chain sling.
4. Repeat steps 1–3 for remaining counterweight boxes.
Alternate from side to side when removing boxes.
5. Attach chain sling to lifting lugs (6, View D) on
counterweight tray (7).
6. Hoist against counterweight tray so sling is taut and
retaining pins (12, View C) are loose.
7. Remove retaining pins (12) from notched pins (11).
8. Hoist counterweight tray so top hooks (9, View B)
disengage fixed pins (10) in rotating bed.
9. Boom, swing, and hoist as required with assist crane to
guide counterweight tray away from rear rotating frame.
10. Place counterweight tray on transport vehicle.
11. Disconnect chain sling.
12. Repeat steps for tray on opposite side.
Install Assembly Block
The assembly block must be installed to use the live mast for
disassembly. See Install Assembly Block topic on page 4-33
.
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