Manitowoc 18000 Service Maintenance Manual

Reference Only
HOISTS 18000 SERIVCE/MAINTENANCE MANUAL
5-14
Published 12-05-17, Control # 035-23
Adjustment
See Figure 5-10 for the following procedure.
Lower boom onto blocking at ground level and adjust each
limit switch as follows:
1. Adjust spring tension so there is enough force to lift
weight of chain and rotate actuating lever when weight is
lifted.
2. Loosen setscrew in limit switch lever so lever is free to
rotate.
3. Manually lift weight to allow actuating lever to rotate
upward.
4. Hold lever at Dimension A.
5. Hold roller on limit switch lever against actuating lever
while performing step 6
.
6. Turn limit switch shaft CLOCKWISE only enough to
“click” limit switch open and hold. Then securely
tighten setscrew in limit switch lever.
7. Test limit switch for proper operation (see Maintenance
topic). Repeat adjustment steps until limit switch
operates properly.
CAUTION
Avoid Sheave Damage!
Use extreme care when testing block-up limits when
boom is raised. If a block-up limit fails to stop load,
immediately stop load by moving drum control handle to
off. Otherwise, two-blocking may occur.
FIGURE 5-10
Left Hand Shown
Right Hand Opposite
From Boom or Jib
Node Controller
Dimension A
1.04 in (26 mm)
Limit Switch for
Lower Boom Point
(has 2 springs)
Limit Switch for
Upper Boom Point and Jib Point
Item Description
1 Elbow with Cord Gripper
2 Setscrew
3Spring
4Enclosure
5 Adjusting Screw
(Spring Tension)
6 Grease Fitting
7 Actuating Lever
8Roller
9 Limit Switch Lever
10 Shaft
11 Cover
6
5
11
7
4
3
2
1
10
9
8
18CSM5-111

Manitowoc 18000 Specifications

General

Brand	Manitowoc
Model	18000
Category	Construction Equipment
Language	English