Manitowoc 14000 Service And Maintenance Manual

Reference Only
TROUBLESHOOTING 14000 SERVICE MANUAL
10-12
Published 09-10-14, Control # 065-24
PROBLEM 11
Load drum will not reach load drum maximum speed.
POSSIBLE CAUSES
Partial control from handle to controller; partial control voltage from controller to pump
EDC or motor PCP; damaged pump or motor.
When moving problem handle fully in both directions, does drum
Diagnostic screen show 100% handle command in raise or lower
direction?
Yes
No
When moving load drum handle fully in both directions, does drum Diagnostic screen show
100% pump or motor control in each direction?
Are 24 volts present (full speed) and coil resistance of 17 to
19 ohms at pump EDC or to 26 ohms at Motor PCP.
(See Section 3 - Checking Electrical Inputs/Outputs.)
Consult dealer/factory.
Yes
Voltage and Coil Ok
Remove plug at motor port M5 and check orifice for obstruction.
(See Section 2 - Motor Components.)
Repair or replace coil or wiring.
Obstruction
No Obstruction
Clean or replace
orifice.
Check pump and motor for leakage.
(See Section 2 - Motor Leakage Test.)
Repair or replace pump or motor.
Voltage and/or Coil not Ok
No
Replace control handle or repair wiring.
CHECKS
Check selected load drum speed screen for 100% speed selected.
Yes
No
Make proper adjustment.

Manitowoc 14000 Specifications

General

Brand	Manitowoc
Model	14000
Category	Construction Equipment
Language	English