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Model EY6780
TROUBLESHOOTING GUIDE
( Refer to WIRING CONNECTION DIAGRAM )
< TROUBLE >
< CHECK >
< REMEOY >
<CHECK BATTERY PACK.>
If no less than 9.6V DC Is available across
the (+) and (-) terminals, the battery pack
is OK.
Note: The battery pack Is sold separately
as shown In REPLACEMENT PARTS LIST. 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 9.6V DC or the usable time
is extremely short.
- the battery leaks. Check battery for
leaks and terminals for corrosion.
OK
CCHECK SWITCH BLOCK.>
( See WIRING CONNECTION DIAGRAM. )
With touching (+) terminal of Volt-Ohm meter,
check continuity between following terminals.
* Inspection of the forward / reverse
selection switch.
(a) Wien the switch handle Is depressed all
the way :
• There should be OQ between ® -
and between @
® ; when the switch
lever Is set to the forward side.
• There should be OQ between ® -
and between (g) - ® ; when the switch
lever is set to the reverse side.
OK
( to be continued )
Contacts In the switch
block are defective.
Replace the switch.
Does not
operate.
- 7 -
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