Unidirectional Clutch Removal; Unidirectional Clutch Inspection; Unidirectional Clutch Installation - TGB EST 1000 Service Manual

UNIDIRECTIONAL CLUTCH

Unidirectional Clutch Removal

▪ Remove ACG cover.
▪ Loosen thrust plate screws located inside
rotor.
▪ Remove rotor (refer to ROTOR above).
▪ Remove starting clutch gear.
▪ Remove thrust plate screws and thrust plate.

Unidirectional clutch inspection

▪ Inspect unidirectional clutch and thrust plate
for wear and damage.
▪ Check the collar of the starting clutch gear.
▪ Perform a functional test of the starting clutch
gear. To do so, rotate starting clutch gear in
unidirectional clutch.
NOTE: Unidirectional clutch must lock in
counterclockwise direction.
NOTE: Unidirectional clutch, thrust plate and
gear must be replaced at the same time, if
damaged.

Unidirectional Clutch Installation

For installation, reverse the removal procedure.
▪ Apply LOCTITE 648 (GREEN) on threads of
thrust plate screws.
▪ Install screws but do not torque yet.
▪ Apply engine oil on unidirectional clutch and
inside starting clutch gear hole.
▪ Install rotor then torque thrust plate screws to
30 Nm.
5-1. ENGINE ASSEMBLY
5-25