C 4.74, Operating instructions, Troubleshooting guide – Holder C-Trac 4.74 User Manual

Page 141

Advertising
background image

C 4.74

Operating instructions

140

149 443

Troubleshooting guide

Cause

Remedy

No maximum speed

Diesel engine does not attain
maximum speed

Inching pedal not at maximum speed

Variable-displacement pump not at full
delivery

Check throttle linkage
Check diesel engine

Adjust inching pot, calibrate

Check maximum current, check
proportional solenoid valve

Does not remain stationary with
inching pedal depressed

Inching pedal at wrong position,
maybe foreign objects in the control

Inching pot not adjusted properly

Adjust properly, remove any foreign
objects

Adjust inching pot, calibrate

Inching pedal not functioning
(warning light flashes)

Inching pot defective or no contact

Electronic unit faulty

Replace inching pot, calibrate
Repair cable connector

Renew electronic unit

Machine does not stop without
depressing accelerator in driving
program 1 or 2

Engine idle speed too high

Incorrect calibration

Check engine, adjust idling speed,
check actuator

Carry out calibration

Advertising