TGB EST 1000, Service Manual

Page: 153 / 269

5-2. ENGINE TOP END
5-2-27
TIMING CHAIN
The engine is equipped two timing chains. One
of timing chain is located on engine ACG side
behind the magneto cover. The second timing
chain is located on engine PTO side behind the
PTO cover.
Timing Chain Removal (ACG Side)
▪
Remove the following parts:
- ACG cover.
- Starting idle gear
- Rotor.
- Starting clutch gear.
- Cylinder head cover.
Chain tensioner.
- Timing gear.
▪
Remove timing chain guide (tensioner side)
and lower timing chain guide.
NOTE: Mark the operating direction of the
timing chain before removal.
▪
Carefully pull the timing chain downwards and
sideways, then out of the crankcase.
Timing Chain Removal (CVT Side)
▪
Remove the following parts:
- CVT cover.
- Idle gear.
- Cylinder head cover.
Chain tensioner.
- Timing gear.
▪
Remove timing chain guide (tensioner side)
and lower timing chain guide.
▪
Carefully pull the timing chain downwards and
down from the crankcase.
NOTE: Mark the operating direction of the
timing chain before removal.