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jcb 3CX Service Manual

jcb 3CX
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20 - 4
Steer Mode Valve
- Checking Solenoid Operation
The solenoids operate according to the steer mode that is
selected.
Mode: Solenoid(s) Energised:
2 Wheel Steer W
4 Wheel Steer X, Z
Crab Steer X, Y
Operation (energisation) of a solenoid can be easily detected
by placing a steel object (e.g. screwdriver blade) close to the
outer casing. A magnetic attraction of the steel object
towards the solenoid indicates energisation.
If a solenoid is not energising carryout the following checks:
1 Check the fuse is intact. If not, renew and then check
that all steer mode solenoid combinations function
correctly.
2 If the fuse is intact remove the electrical connector from
the malfunctioning solenoid(s) and check that the 12V
supply is present across the connector pins. If not,
check the supply circuit.
3 Check the solenoid coil resistance which should
measure a few ohms (if unsure of the value compare
with a known good solenoid).
Renew the solenoid if the reading indicates a short
circuit (zero ohms) or open circuit (infinate resistance). If
a reading somewhere between the two is obtained,
reverse the two instrument probes and repeat for a
valid check.
Section H Steering
9803/3280
Section H
20 - 4
Issue 1
Service Procedures
A396570
W X
Z
Y
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk

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jcb 3CX Specifications

General IconGeneral
Brandjcb
Model3CX
CategoryCompact Loader
LanguageEnglish

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