Mitsubishi 380. Manual - part 983

21B-1

GROUP 21B

CLUTCH 

OVERHAUL

CONTENTS

GENERAL SPECIFICATIONS . . . . . .

21B-2

SERVICE SPECIFICATIONS. . . . . . .

21B-2

TORQUE SPECIFICATIONS . . . . . . .

21B-2

LUBRICANTS  . . . . . . . . . . . . . . . . . .

21B-2

CLUTCH . . . . . . . . . . . . . . . . . . . . . . .

21B-3

CLUTCH REMOVAL AND INSTALLATION  

21B-3

CLUTCH INSPECTION . . . . . . . . . . . . . . . . 

21B-5

CLUTCH RELEASE CYLINDER  . . . .

21B-7

CLUTCH RELEASE CYLINDER DISASSEMBLY AND 
REASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . 

21B-7

CLUTCH RELEASE CYLINDER INSPECTION

 

. . . . . . . . . . . . . . . . . . . 

21B-8

HOME

GENERAL SPECIFICATIONS

CLUTCH OVERHAUL

21B-2

GENERAL SPECIFICATIONS

M1212000200461

Item

Specification

Combined engine

6G75-S4-MPI

Clutch operating method

Hydraulic type

Clutch disc type

Single dry disc type

Clutch disc size O.D. x I.D. mm

240 x 160

Clutch cover type

Diaphragm spring type

Clutch cover setting load N

6,800

Clutch release cylinder I.D. mm

20.64

SERVICE SPECIFICATIONS

M1212000300208

Item

Limit

Diaphragm spring end height difference mm

0.5

Clutch disc facing rivet sink mm

Minimum 0.3

Release cylinder I.D. to piston O.D. mm

0.15

TORQUE SPECIFICATIONS

M1212001800411

Item

Specification

Clutch fluid line bracket bolt

18 

± 3 N⋅m

Clutch tube flare nut

15 

± 2 N⋅m

Clutch release cylinder union bolt

22 

± 2 N⋅m

Clutch release cylinder mounting bolt

18 

± 3 N⋅m

Clutch cover mounting bolt

18 

± 3 N⋅m

Release fork shaft locking bolt 

9.8 

± 2.0 N⋅m

Clutch release cylinder air bleeder 

11 

± 1 N⋅m

LUBRICANTS

M1212000400346

Item

Specified lubricant

Release fork and release cylinder pushrod contact surface

Mitsubishi Part No. 0101011 or 
equivalent

Release fork and release bearing contact surface

Release fork bushing inner surface 

Clutch disc splines

Piston and piston cup

Brake Fluid DOT 3 or DOT 4

Release cylinder inner surface

CLUTCH

CLUTCH OVERHAUL

21B-3

CLUTCH

REMOVAL AND INSTALLATION

M1212001000448

AK502050

1

4

22 ± 2 N·m

5

7

8

9

10

14

13

17

9.8 ± 2.0 N·m

19

22

11

12

15

16

18

18

20

21

15 ± 2 N·m

6

18 ± 3 N·m

AB

18 ± 3 N·m

18 ± 3 N·m

2

3

Removal steps 

1.

Insulator

2.

Clutch fluid line bracket

3.

Washer

4.

Clutch tube

5.

Union bolt

6.

Union

7.

Gasket

>>

E

<<

8.

Valve plate

>>

E

<<

9.

Valve plate spring

10. Clutch release cylinder

>>

D

<<

11. Clutch cover

>>

D

<<

12. Clutch disc

>>

C

<<

13. Sealing cap
14. Release fork shaft
15. Support spring (L)
16. Packing

>>

B

<<

17. Release fork

>>

A

<<

18. Bushing
19. Clutch release bearing
20. Packing
21. Support spring (R)
22. Release fork boot

INSTALLATION SERVICE POINTS

.

Removal steps ( つづき )

CLUTCH

CLUTCH OVERHAUL

21B-4

>>A<< OUTER RACE INSTALLATION

AKX00755

Bushing

AD

Press in the bushing into the release fork to the position shown 
in the illustration.

.

>>B<< RELEASE FORK INSTALLATION

AKX00757

Apply

grease

Apply

grease

Apply

grease

AF

Apply grease to the illustrated positions of the release fork.

Specified grease:

Mitsubishi Part No. 0101011 or equivalent

.

>>C<< SEALING CAP INSTALLATION

AKX00756

2 mm

AD

Press in the sealing cap to the position shown in the illustration. 
Be sure that it is not installed in a slanted position.

.