Manitowoc 18000 Operator's Manual page 255

18000 OPERATOR MANUAL
14. Before removing 10 ft (3 m) insert:
a. Disconnect hydraulic hoses (8,
H1) at connections between insert and boom butt.
On current production cranes, store hoses (8,
Figure 4-43, View J) in storage brackets (10).
b. If equipped, disconnect grease lines between boom
sections. Connect grease lines to storage nipples
on inserts.
15. Disconnect hydraulic hoses at connections between butt
and rotating bed. Do not disconnect hoses for operating
boom hinge pins (Figure
16. Disconnect boom butt from rotating bed.
17. To operate boom hinge pins:
Manitowoc
Figure 4-43, View
4-43, View G).
Published 12-05-17, Control # 032-23
a. Disconnect hydraulic hoses (3a,
G1) from couplers (3c) on boom butt.
b. Connect hydraulic hoses (3a) to couplers (3b,
Figure 4-43, View G2) on rotating bed.
c. After boom butt is removed, disconnect hydraulic
hoses (3a) from couplers (3b) on rotating bed and
connect hydraulic hoses (3a) to couplers (3c,
Figure 4-43, View G1) on boom butt. This step
must be performed to relieve trapped pressure
from boom hinge pin cylinders.
18. Thoroughly clean dust caps and install them over
couplers on ends of all hoses.
19. Store the hoses (6a, View F1) in storage brackets (7).
SET-UP AND INSTALLATION
Figure 4-43, View
4-103
4