Takeuchi TB215R Workshop Manual page 282

SOLENOID VALVE
"4. Disassembly and assembly, solenoid valve"
Symptoms
Solenoid valve does not
operate
Oil leakage from solenoid
valve
SOLENOID VALVE
Major causes
• Wiring short-circuit or wire break.
• Coil assembly short-circuit or wire
break.
• Foreign matter is caught in the spool.
• Damage on the outer circumference of
the spool.
• Proportional controller is faulty.
• Primary pressure is insufficient.
• O-ring is damaged.
• Seal nut is damaged.
• Replace
• Replace
• Overhaul and repair or replace.
• Overhaul and repair or replace.
• Repair or replace.
• Keep the primary pressure.
• Replace
• Replace
1
TROUBLESHOOTING
SOLENOID VALVE
Remedies
5K6AQ00
5