RM35X0E _55 Steering _078944 POWER ASSIST SYSTEMS _0389111 VANE PUMP(for 7GR-FKS(w/o Variable Flow Control Solenoid Valve)) A

POWER ASSIST SYSTEMS  VANE PUMP(for 7GR-FKS(w/o Variable Flow Control Solenoid Valve))  REASSEMBLY  


CAUTION / NOTICE / HINT

NOTICE:
·

When using a vise, place aluminum plates between the part and vise.

·

When using a vise, do not overtighten it.



PROCEDURE

Hide 1.INSTALL VANE PUMP HOUSING OIL SEAL

a.
C412829
1.073,0.615 0.615,0.708 0.615,0.708 1.042,0.896 true 0.292,0.625 0.656,0.823 0.365,0.198 10 false SST

Using SST and a press, press in a new vane pump housing oil seal.

SST
09950-60011  (09951-00280)
09950-70010  (09951-07100)

NOTICE:
·

Make sure to install the vane pump housing oil seal so that it faces the correct direction.

·

Be careful not to damage the vane pump housing oil seal.




b.
C412830
0,0 0,0 false
V100135

MP Grease


Coat the lip of vane pump housing oil seal with MP grease.


Hide 2.INSTALL SHAFT WITH PULLEY

a.
C412831
0,0 0,0 false
V100135

Power Steering Fluid


Coat the inside surface of the bushing in the front housing with power steering fluid.


b.
C412832
2.083,1.917 1.917,1.917 1.917,1.917 1.917,1.083 true 2.156,1.844 2.469,2 0.313,0.156 10 false *a
*a Protective Tape


Install the shaft with pulley to the front housing.

NOTICE:
·

Wrap protective tape around the spline of the vane pump shaft with vane pump pulley in order to prevent damage to the oil seal.

·

Be careful not to damage the vane pump housing oil seal.




Hide 3.INSTALL FRONT VANE PUMP SIDE PLATE

a.
C412825
0,0 0,0 false
V100135

Power Steering Fluid


Coat a new O-ring with power steering fluid and install it to the front housing.


b.
C412833
0,0 0,0 false
V100135

Power Steering Fluid
V113147

Install in this Direction


Coat a new O-ring with power steering fluid and install it to the front vane pump side plate.


c.
C412834
0,0 0,0 false
V113147

Install in this Direction


Install the front vane pump side plate to the front housing while aligning the semicircle-shaped cuts of both parts.

NOTICE:

Be sure to install the front vane pump side plate in the correct position and with the correct orientation.



Hide 4.INSTALL VANE PUMP CAM RING

a.
C412835
0.844,0.438 0.594,0.438 true 0.385,0.344 0.698,0.542 0.313,0.198 10 false *a
*a Inscribed Mark


With the inscribed mark facing upward, install the vane pump cam ring to the front housing while aligning the semicircle-shaped cuts of both parts.

NOTICE:

Be sure to install the vane pump cam ring in the correct position and with the correct orientation.



Hide 5.INSTALL VANE PUMP ROTOR

a.
C412836
0,0 0,0 false
V113147

Install in this Direction


Install the vane pump rotor with the inscribed mark facing outward.


b.

Coat the 10 vane plates with power steering fluid.


c.
C324329C01
0.552,0.604 0.865,0.76 0.313,0.156 10 false *a 1.646,0.073 1.958,0.229 0.313,0.156 10 false *b
*a Outward
*b Inward


Install the 10 vane pump plates.

NOTICE:

Make sure that the round ends of the vane pump plates are facing outward.



Hide 6.INSTALL VANE PUMP SHAFT SNAP RING

a.
C412837

Using a snap ring expander, install a new vane pump shaft snap ring onto the shaft with pulley.


Hide 7.INSTALL REAR HOUSING

a.

Coat the vane pump rear housing of the shaft sub-assembly with pulley and the surrounding surface with power steering fluid.


b.

Coat a new O-ring with power steering fluid and install it to the rear housing.


c.
C412838
1.458,1.5 0.771,1.5 0.771,1.5 1.052,1.094 true 0.531,1.438 0.844,1.635 0.313,0.198 10 false *a
*a Align


Align the straight pin of the rear housing with the dent of the cam ring, side plate and front housing.

NOTICE:

Make sure that the O-ring is not out of position before installing the rear housing.



d.

Install the rear housing with the 4 bolts.

Torque:
22 N*m (224 kgf*cm, 16 ft.*lbf)


Hide 8.INSPECT ROTATING TORQUE

a.
C412839
2.292,1.646 2.073,1.646 2.073,1.646 1.281,1.115 true 2.354,1.563 2.667,1.719 0.313,0.156 10 false *a
*a Service Bolt


Check that the vane pump assembly rotates smoothly without abnormal noise.


b.

Temporarily install the service bolt.

Recommended Service Bolt:
Item Specified Condition
Thread Diameter 10 mm (0.394 in.)
Thread Pitch 1.25 mm (0.0492 in.)
Bolt Length 50 mm (1.97 in.)



c.

Using a torque wrench, check the pump rotating torque.

Standard rotating torque:

0.27 N*m (3 kgf*cm, 2 in.*lbf) or less


If the rotating torque is not as specified, check the installation of the housing oil seal.


Hide 9.INSTALL POWER STEERING SUCTION PORT UNION

a.

Coat a new O-ring with power steering fluid, and install it onto the power steering suction port union.


b.

Install the power steering suction port union with the bolt.

Torque:
12 N*m (122 kgf*cm, 9 ft.*lbf)


Hide 10.INSTALL FLOW CONTROL VALVE

a.

Coat the flow control valve compression spring and flow control valve with power steering fluid.


b.
C412821
1.24,0.219 1.74,0.219 true 1.927,0.573 2.427,0.573 true 1.333,0.74 1.833,0.74 true 1.906,0.917 2.406,0.917 true 2.448,0.844 2.76,1 0.313,0.156 10 false *1 1.125,0.667 1.438,0.823 0.313,0.156 10 false *2 2.469,0.5 2.781,0.656 0.313,0.156 10 false *3 1.073,0.146 1.385,0.302 0.313,0.156 10 false *4
*1 Flow Control Valve Compression Spring
*2 Flow Control Valve
*3 O-ring
*4 Pressure Port Union


Install the flow control valve compression spring.


c.

Install the flow control valve so that it faces the correct direction.


d.

Coat a new O-ring with power steering fluid and install it to the pressure port union.


e.

Install the pressure port union.

Torque:
69 N*m (704 kgf*cm, 51 ft.*lbf)