Hitachi L Series Service Manual page 24

5. How to disassemble the lower hook
( 1 ) Remove 2 hexagonal socket head bolts (M6 × 25), nuts (M6) and spring washers (M6) each.
Hexagonal socket head bolt M6 × 25
( 2 ) Remove the chain, hangers and hanger pin.
( 1 )
( 2 )
Hanger pin
Hanger
- 20 -
( 1 )
Nut M6
Spring washer M6
Hanger