Mitsubishi 380. Manual — part 983
21B-1
GROUP 21B
CLUTCH
OVERHAUL
CONTENTS
GENERAL SPECIFICATIONS . . . . . .
SERVICE SPECIFICATIONS. . . . . . .
TORQUE SPECIFICATIONS . . . . . . .
LUBRICANTS . . . . . . . . . . . . . . . . . .
CLUTCH . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH REMOVAL AND INSTALLATION
CLUTCH INSPECTION . . . . . . . . . . . . . . . .
CLUTCH RELEASE CYLINDER . . . .
CLUTCH RELEASE CYLINDER DISASSEMBLY AND
REASSEMBLY . . . . . . . . . . . . . . . . . . . . . .
CLUTCH RELEASE CYLINDER INSPECTION
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.
.
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