DISASSEMBLY AND REASSEMBLY



caution Never disassemble the terminal assembly. It cannot be reassembled.





Disassembly steps


1.
Pump cover


2.
O-ring


3.
Snap ring


4.
Pulley and shaft


5.
Vanes

>>C<<
6.
Cam ring


7.
Rotor


8.
Pin


9.
Side plate


10.
O-ring

>>B<<
11.
Oil seal


12.
Terminal assembly


13.
O-ring


14.
Spring


15.
Plunger


16.
Piston rod assembly


17.
Flow joint kit

>>A<<
18.
O-ring


19.
Flow control spring


20.
Suction joint kit


21.
O-ring


22.
Oil pump case

REASSEMBLY SERVICE POINTS



>>A<< O-RING INSTALLATION



No.
ID × Width mm
1
17.8 × 2.4
2
13.5 × 1.5

>>B<< OIL SEAL INSTALLATION



Use following special tool to install the oil seal.

  • Bar (MB990938)
  • Oil seal and bearing installer (MB991203)

>>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.