Manitowoc 2250 Service And Maintenance Manual

Reference Only
Manitowoc Published 11-06-15, Control # 040-13 10-53
2250 SERVICE/MAINTENANCE MANUAL TROUBLESHOOTING
10
The PC null or zero routine permits the pressure transducer
to operate outside the above voltage range. If reading is less
than 0.50 volts or more than 2.00 volts, the pressure
transducer must be replaced.
Test 18 — Setting the Pump Pressure
To adjust multifunction valve:
• Remove the protective cap from the multifunction valve
and loosen the lock nut.
• Insert a hex wrench into multifunction valve adjusting
screw.
• Turning adjusting screw clockwise will increase relief
pressure.
• Turning adjusting screw counter-clockwise will decrease
relief pressure.
NOTE: The bypass hex nut is for special applications only
and must not be rotated during setting of pump
pressure without first consulting the pump
manufacturer literature.
Item Description Item Description
1 Multifunction valve adjusting screw for port “A” 3 Lock nut
2 Multifunction valve adjusting screw for port “B” 4 Bypass hex nut
P1537 P1533
3
1
4
2
Pump Port Control Function
Pump Port A Port B
Travel Reverse Forward
Load Drum Hoist Lower
Boom Hoist Lower Hoist
Swing Left Right
Multi-Function Valve
Bypass Hex
Lock Nut
A1161
Adjusting
Screw (Inside)
Plastic
Cap

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English