Clutch

 

4. Tap lightly on the back of the bearing housing (21)

WARNING

with a plastic mallet to loosen the assembly (D)

 

from the clutch housing. Pull the assembly away.

INJECTION HAZARD

 

To reduce the risk of serious injury,

5. The armature (4a) was removed with the pinion

whenever you are instructed to relieve

housing. Remove the armature from the pinion

pressure, follow the Pressure Relief

hub.

Procedure on page 10.

 

 

6. There are two procedures to remove the rotor (4b).

NOTE: The clutch assembly (4) includes the armature

 

(4a) and rotor (4b). The armature and rotor must be

a. Remove the four socket head capscrews (16)

replaced together so they wear evenly.

 

and lockwashers (11). Install two of the screws

NOTE: If the pinion assembly (19) is not yet separated

in the threaded holes (E) in the rotor. Alter-

from the clutch housing (2), follow Steps 1 to 4. Other-

nately tighten the screws until the rotor comes

wise, start at Step 5.

off. See Fig. 12. If the rotor is difficult to re-

 

move, use procedure b.

NOTE: Refer to Fig. 12 for this procedure.

 

 

b. You can use a standard steering wheel puller

1.

Relieve pressure.

(A). However, two 1/4–22– x 3 or 4 in. long

 

 

screws (B) are also needed. Replace the short

2.

Disconnect the hose (59) from the displacement

screws of the steering wheel puller with the

 

pump. Remove the spring clips and drain hose

longer screws (B). Turn the screws (B) into the

 

(113) from the displacement pump.

threaded holes (E) of the rotor (4b). Tighten

 

 

the capscrew (C) of the tool until the rotor

3.

Remove the two bottom screws (10) and lock-

comes off. See the Detail in Fig. 12.

 

 

washers (11) first, then remove the two side

 

 

screws (10) and lockwashers (11), and last remove

7. Skip ahead to Reassembly, page 25, step 6., or

 

the top screw (10) and lockwasher (11).

continue on the next page.

10

11

2

4b

11

16

 

4a

 

 

D

 

 

19

E

 

 

 

 

A

 

 

B

113

59

C

 

Model 231326 Shown

05798A

Fig. 12

20 308398

Page 20
Image 20
Hitachi 231327 manual Clutch, Model 231326 Shown