Manitowoc 999 Service And Maintenance Manual

Reference Only
INTRODUCTION 999 SERVICE/MAINTENANCE MANUAL
1-58
Published 05-16-17, Control # 233-03
Carbody Jacking System
See Figure 1-42
The two-stage telescopic type jacking cylinders are mounted
on each corner of carbody. Jacking cylinder operation is
controlled with hydraulic valve handles on the carbody and
PC programming. Operation of all four jacking cylinders is
the same. The following description of operation is for a
single jacking cylinder.
WARNING
Collapsing Hazard!
Keep rotating frame as level as possible while jacking.
Operating jacking cylinder with rotating frame more than
3° out of level can cause structural damage to jacking
cylinders and possible collapse of rotating frame.
FIGURE 1-42
PRESSURE
SWITCH
SW
LEFT CRAWLER PINS RIGHT CRAWLER PINS
RIGHT CARBODY JACKS
LEFT CARBODY JACKS
LOWERWORKS ACCESSORY MANIFOLD
SWIVEL
HIGH
UPPERWORKS ACCESSORY MANIFOLD
REAR DRUM
PUMP DRIVE GEARBOX
HS-4
LOW
HS-3
HS-2
HS-1
HS-6
HS-5
FRONT DRUM
PUMP DRIVE GEARBOX
LOW
LOW PRESSURE
ACCESSORIES
3
2
3
6
3
3
3
1
999CSM1-141
TO
GANTRY
CYLINDERS
TO
MAST
CYLINDERS
TO
BOOM PIN
CYLINDERS
3
4
3
5
TO REAR HOIST MOTOR
LOOP FLUSHING VALVE

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English