
Reference
Only
Manitowoc
Published 12-05-17, Control # 035-23
10-33
18000 SERIVCE/MAINTENANCE MANUAL
TROUBLESHOOTING
10
CHECKS
Does supercharge accessory supply system pressurize to 3,000 psi (207 bar)
when moving mast pins switch to extend or retract position at remote controller?
POSSIBLE CAUSES
Not in setup remote mode; Faulty control valve section; Supercharge
accessory supply pump is faulty; Mechanical problem.
Yes
No
Are mechanical problems present
at mast pin cylinders?
Yes
No
Does ACC screen VALVES, bank 3 change by 64 (mast pin in) or bank 3 change by 128
(mast pin out) when moving boom hinge pin switch to engage or disengage position?
Yes
No
Is crane setup mode selected and confirmed?
Yes
No
Select and confirm
setup mode.
Replace cylinder or
consult dealer/factory.
Repair problem.
Are solenoids magnetized when switch position is enabled?
Yes
No
Is there voltage at solenoid valve.
Check supercharge accessory system for 3,000 psi (207 bar) when enabling switch.
Pressure Ok
Pressure not Ok
Repair or replace
control valve.
Adjust supercharge accessory supply pressure
to 3,000 psi (207 bar) when enabling switch.
Yes
No
Replace solenoid
valve.
Consult dealer/
factory.
Consult dealer/
factory.
Problem 31
Mast pin cylinders will not extend or retract.
Summary of Contents for 18000
Page 1: ...R e f e r e n c e O n l y Service Maintenance Manual Manitowoc 18000 ...
Page 2: ...R e f e r e n c e O n l y ...
Page 4: ...R e f e r e n c e O n l y THE ORIGINAL LANGUAGE OF THIS PUBLICATION IS ENGLISH ...
Page 210: ...R e f e r e n c e O n l y NOTES SKETCHES AND PHOTOGRAPHS ...
Page 315: ...R e f e r e n c e O n l y ...
Page 316: ...R e f e r e n c e O n l y ...