(Refer to WIRING CONNECTION DIAGRAM)
4 TROUBLESHOOTING GUIDE
< TROUBLE >
< CHECK >
< REMEDY >
Does not operate.
<CHECK BATTERY PACK.>
NO Replace battery pack.
→
If no less than 12V DC is available across the (+) and (-) terminals,
→
the battery pack is OK.
NOTE:
The battery pack is sold separately as an optional accessory.
See the nearest sales dealer for details. The battery pack has a
limited life.
The pack should be replaced if
- after being charged for the rated charging time the battery voltage
is less than 12V DC or the usable time is extremely short.
- the battery leaks. Check battery for leaks and terminals for
corrosion.
↓
OK
<CHECK TERMINAL CONNECTIONS BETWEEN MAIN UNIT
NO Repair contacts.
AND BATTERY PACK.>
→
Check for proper terminal contacts.
↓
OK
<CHECK MOTOR ROTOR.>
NO Replace motor
Check the condition of rotor if there is any wear, crack and deformation.
→
rotor assembly.
↓
OK
<CHECK MOTOR STATOR.>
NO Replace motor
Check the condition of motor case if there is any crack and deformation.
→
stator.
Does not speed-
<CHECK SWITCH.>
NO Replace switch
control.
→
See in detail at CHECK PARTS IDENTIFY PROCEDURE.
→
assembly.
Does not light LED.
Does not change
impact mode.
7
EY7270-X8 / EY7271-X8
Summary of Contents for EY7270-X8
Page 2: ...1 SCHEMATIC DIAGRAM 2 WIRING CONNECTION DIAGRAM 2 EY7270 X8 EY7271 X8 ...
Page 9: ...5 CHECK PARTS IDENTIFY PROCEDURE 9 EY7270 X8 EY7271 X8 ...
Page 10: ...6 EXPLODED VIEW REPLACEMENT PARTS LIST 6 1 EY7270 EXPLODED VIEW 10 EY7270 X8 EY7271 X8 ...
Page 12: ...6 3 EY7271 EXPLODED VIEW 12 EY7270 X8 EY7271 X8 ...