Page 114
34-J Desel - Servce & Parts Manual
December 2021
Secton 19 - Troubleshootng
Problem
Possible Cause
Remedy/Solution
Steer
No steer in either direction
Joystick rocker switch inoperative
Check continuity through micro-switch inside joystick handle using wires
outside the handle. Check output (see EZ-Cal 2D2, P10-7 and P7-8).
Steering valve 11 inoperative
Check steering valve for power. Check for damage and contamination.
Check output from GP500 (see EZ-Cal ID # 2F1 P5-2 and P5-3). Inspect/
replace steering valve.
Hoses connected incorrectly
See Hydraulic Section for correct connection.
System interlock
Check EZ-Cal HELP messages for interlock
Steer in one direction only
Joystick rocker switch inoperative
Check continuity through micro-switch inside joystick handle using wires
outside the handle. Check output (see EZ-Cal 2D2, P10-7 and P7-8).
Steering valve 11 inoperative
Check steering valve for power. Check for damage and contamination.
Check output from GP500 (see EZ-Cal ID # 2F1 P5-2 and P5-3). Inspect/
replace steering valve.
System interlock
Check EZ-Cal HELP messages for interlock
Will steer but not fully or
slow steering
One or both steering cylinder
internal seal failure
Check/replace steering cylinder seals.
King pin/s seizing in the bore
Disassemble and inspect. Replace bushings.
