Overhaul

DISASSEMBLY AND REASSEMBLY

REASSEMBLY SERVICE POINTS








]]A[[ O-RING INSTALLATION

]]B[[ ROTOR SEAL INSTALLATION





Use special tool MB991203 and MB990938 to install the oil seal.

]]C[[ CAM RING INSTALLATION





Install the cam ring with the punch mark facing the side plate.

INSPECTION
^ Check the valve subassembly for clogging.
^ Check the driveshaft assembly for wear or damage.
^ Check the rotor and vane groove for "stepped" wear.
^ Check the contact surface of cam ring and vanes for "stepped" wear.
^ Check the vanes for damage.