Terex Fault Code
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Slew & Travel Implements Locked Rigid
System
Safety / Park
Symptom
Slew & Travel Implements Locked Rigid
Diagnosis & fix steps
LOGIC: Swing Brake Mechanical Lock Valve Open Circuit.
ACTION: Measure resistance on swing lock spool solenoid mounted atop the slew motor (~20Ω). Test 12V output from cab safety console relay; inspect ground wire at main cab grounding block.
Red Seal field insights
Mechanical Pin Seizure: Varnish on the solenoid plunger prevents pilot pressure from overcoming the mechanical spring, holding the mechanical slew brake disc locked against the ring.
Same code keeps coming back?
That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.
Read before you touch anything
- This is general reference information, not a repair manual. It is for trained, qualified technicians.
- Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
- Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
- You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
- Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.
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