Disassembly And Assembly

POWER STEERING OIL PUMP

VK56VD : Disassembly and Assembly


DISASSEMBLY


CAUTION:
- Fix oil pump with a vise if necessary.
- Use copper plates when fixing with a vise.
1.Perform inspection before disassembly. Inspection.
2.Remove rear cover mounting bolts, and then remove rear cover from body assembly.
3.Remove gasket from body assembly.
4.Remove dowel pin, cartridge and side plate from body assembly.
5.Remove pulley mounting nut and washer, then remove pulley from drive shaft.





6.Remove snap ring from drive shaft and press out it.

CAUTION:
When removing snap ring, be careful not to damage drive shaft.





7.Remove oil seal from body assembly using a flat-bladed screwdriver.
8.Remove O-ring from body assembly.
9.Remove lock nut, and then remove copper washer, joint and Oring.
10.Remove connector bolt, and then remove O-ring, flow control valve and spring from body assembly
11.Remove mounting bolts of suction pipe, and then remove suction pipe from body assembly.
12.Remove O-ring from body assembly.
13.Perform inspection after disassembly. Inspection.

ASSEMBLY


CAUTION:
- Fix oil pump with a vise if necessary.
- Use copper plates when fixing with a vise.





1.Apply recommended grease to oil seal lips (1). Apply recommended fluid to around oil seal. Install oil seal to body assembly using a drift (commercial service tool).

CAUTION:
Never reuse oil seal.
2.Apply recommended fluid to drive shaft, and press drive shaft into body assembly, then install snap ring.

CAUTION:
Never reuse snap ring.
3.Apply recommended fluid to O-ring, and then install O-ring into body assembly.

CAUTION:
Never reuse O-ring.





4.Install side plate to body assembly.





5.Install dowel pin (3) into dowel pin hole (A), and then install cam ring (2) pointing it's D
1 side toward the body assembly (1) side as shown in the figure.

CAUTION:
- When installing the cam-ring, turn carved face with a letter "E" (B) of it to the rear cover.
- Never confuse the assembling direction of the cam ring. If cam ring is installed facing the incorrect direction, it may cause pump operation malfunction.





6.Install rotor to body assembly.

CAUTION:
When installing the rotor, turn punch mark face on rotor to body assembly.
7.Install vane to rotor so that arc of vane faces cam ring side.
8.Check if drive shaft turns smoothly.
9.Install gasket to body assembly.

CAUTION:
Never reuse gasket.










10.Install rear cover to body assembly, and then tighten mounting bolts to the specified torque.
11.Install pulley and washer to drive shaft, and then tighten lock nut at the specified torque.
12.Apply recommended fluid to O-ring. Install spring, flow control valve and O-ring to body assembly, and then tighten connector bolt to the specified torque.

CAUTION:
Never reuse O-ring.
13.Apply recommended fluid to O-ring. Install O-ring, joint and copper washer to connector bolt, and then tighten lock nut to the specified torque.

CAUTION:
Never reuse O-ring.
14.Apply recommended fluid to O-ring, and then install O-ring to body assembly.

CAUTION:
Never reuse O-ring.
15.Install suction pipe to body assembly, and then tighten mounting bolts to the specified torque.
16.Perform inspection after assembly. Inspection.