TROUBLESHOOTING /SYSTEM PERFORMANCE Troubleshooting
A-2. Machine can be moved only in forward or reverse direction
（２）Faulty operation of forward or reverse solenoid valve
Perform operation check of the solenoid valve（YUKEN) 1. Insert and push a long, round stick B into the hole A(inside diameter: 6 mm) in the solenoid valve. 2. The solenoid valve is normal if reaction force of the spring D is felt and the piston C moves inward by 2.8 mm and it returns smoothly on release of the force on the stick.
OO 㧰
ߒㄟ 㧼㨁㧿㧴
㧯 㧭
㧮
Faulty
Normal
5QNGPQKF XCNXG (QTYCTF 5QNGPQKF XCNXG 4GXGTUG
Replace the solenoid valve.
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