Panasonic EY4542 - CIRCULAR SAW 14.4V, Service Manual

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4.3. How to Assemble the Main Unit.
CAUTION:
The proper operation of the “off lock lever” is critical for the safe use and operation of the cutter. Be extra careful in re-assem-
bling the unit and ensure that the “off lock lever” is properly positioned. Verify the operation of the “off lock lever” upon complet-
ing the re-assembly procedure. Ensure that the power switch can only be activated after depressing the “off lock lever”
Ref. No. 3A Procedure 3A Assembly of the driving assembly.
When installing the driving block into the housing;
1. Put the off lock lever into the housing boss.
2. Insert the one side of lever spring into the groove of the off lock
lever. And Hitch the other side of lever spring on the housing rib.
3. Push and hold the spindle lock button while inserting the driving
block into the housing.