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-50-
The repair is authorized.
Yes
Repair
If there is no improvement with
above countermeasures and repair.
No
Immediately stop
using the tool.
〇
Ask your YOKOTA dealer
for repair.
Countermeasures
Switch R and L
securely
Pressure and adjust bolt adjustment
Low r.p.m.
Faulty motor part
Symptoms
Supposed causes
Faulty
impulse part
The tool rotates under no load
Daily check: Before use, check generated torque of a tool.
●
Symptoms of troubles and countermeasures
Reverse lever opening and closing operation failure
Too low air pressure
Damaged
Ball bearing
Silencer jam
Throttle knob opening and closing operation failure
Impulse unit
deterioration
Oil leak
Pulse number more than the default value
Pulse number less than the default value
Ball bearing failure
Vane worn-out
Adjustment failure for a rotor and upper plate
Motor case cover tightening failure
Incomplete cleaning of motor part
Dull sound
Faulty fly-out of vane
Dust contamination
Air leakage by damaged packing
Low torque (Insufficient tightening torque)
Check and countermeasures
Содержание YED-90
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Страница 26: ...24 OFF Ni Cd...
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Страница 50: ...48 R L Yes No...
Страница 51: ...49 Yes No...