Manitowoc 18000 - Pump or Motor Override; Solenoid Valve Override

Reference Only
18000 SERIVCE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
Manitowoc Published 12-05-17, Control # 035-23 2-39
2
Pump or Motor Override
See Figure 2-32 for the following procedure.
1. Start and run engine at low idle.
2. Rotate manual override (2) in either direction to stroke
pump or motor in corresponding direction.
3. If pump or motor is operating properly, corresponding
side of circuit will stall.
Solenoid Valve Override
See Figure 2-32 for the following procedure.
1. Start and run engine at low idle.
2. Insert a rigid steel rod through hole in end of valve cap.
3. Depress valve spool with rod.
4. If valve is operating properly, corresponding side of
circuit should operate.
DANGER
Falling or Moving Load Hazard!
To prevent unexpected movement of loads or crane when
operating any manual override:
• Park crane in an area where it will not interfere with
other job site equipment or structures.
• Land all loads and lower boom onto blocking at
ground level.
• Park all crane functions.
Item Description Item Description
1 Pump EDC/Motor PCP 4 Solenoid Valve
2 Manual Override 5 Manual Override (though end cap)
3 Electrical (DIN) Connector
FIGURE 2-32
1
P966a
3
Typical Pump Installation
2
Typical Solenoid Valve Installation
P1992
4
35