Manitowoc 18000 User Manual

Reference Only
SET-UP AND INSTALLATION 18000 OPERATOR MANUAL
4-136
Published 12-05-17, Control # 032-23
BLOCK LEVEL SENSOR ADJUSTMENT
General
The block level sensors (Figure 4-80) ensure that the load
block remains level when two load lines — Drums 1 and 2 —
are routed to the load block.
NOTE This block level is only on cranes without wireless
communication. On cranes with wireless
communication the controller adjusts the block
level automatically (see Crane Diagnostics, Block
Level Sensor topic in Section 3 of this manual).
The sensors monitor guide sheave rotation speed. The
crane’s programmable controller uses signals from the
sensors to equalize the rotation speed of the drums so the
load block remains level.
The sensors were adjusted at the factory and need to be
readjusted only when a new sensor is installed or the
position of a sensor is changed.
Sensor Adjustment
1. If necessary, attach mounting bracket to guide sheave
frame with cap screws.
2. Loosen jam nut securing sensor to bracket.
3. Turn sensor in or out to obtain specified dimension
between end of sensor and wall of sheave.
4. Tighten jam nut.
5. Check for proper operation without load. Drums should
operate at same speed and load block should remain
level.
Readjust sensor if required.
Sheave
for Drum 1
Sensor #2
#79A
Boom
Sheave
Sensor
Jam
Nut
0.39 in (9,906 mm)
MAXIMUM
Mounting
Bracket
Sheave for
Drum 6
Sensor
#1
Front View
of Boom Top Guide Sheaves
Sensor #2
#55 & 55A
Boom
Sheave for
Drum 3
Sheave for
Drum 2
FIGURE 4-80
4-230

Manitowoc 18000 Specifications

General

Brand	Manitowoc
Model	18000
Category	Construction Equipment
Language	English