Overhaul
DISASSEMBLY AND ASSEMBLY
CAUTION: Never disassemble the terminal assembly. It cannot be reassembled.
ASSEMBLY SERVICE POINTS
]]A[[ O-RING INSTALLATION
]]B[[ OIL SEAL INSTALLATION
Use special tool MB991203 and MB990938 to install the oil seal.
]]C[[ CAM RING INSTALLATION
CAUTION: Be sure to install the cam ring in the correct direction as shown.
Install the cam ring as shown in the illustration.
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.