DISASSEMBLY AND REASSEMBLY



<F5MGA>


caution If the following components are installed or removed, learn the neutral position using M.U.T.-III after the transmission assembly is installed on the vehicle. (Refer to GROUP 00, Precautions before Service - Learning Procedure for Neutral Position .) <Vehicles without AS&G system>

  • Neutral position sensor
  • Shift cover Cpl.




Disassembly steps


1.
Cable bracket *


2.
Corrugate clamp bracket *


3.
Reverse light switch *


4.
Neutral position sensor *


5.
Seal cap vent

>>K<<
6.
Shift cover Cpl. <Vehicles without AS&G system>


7.
Seal cap vent *

>>K<<
8.
Shift cover Cpl. * <Vehicles with AS&G system>
note Only the components marked with "*" of the vehicles with AS&G system can be overhauled.




Disassembly steps


9.
Detent


10.
Control harness bracket *


11.
Clutch housing


12.
Magnet


13.
Differential assembly


14.
Screw


15.
Reverse gear axle


16.
Reverse idle gear


17.
Internal shifter part


18.
Fixing bracket


19.
Rudder cap


20.
Rudder cap


21.
Oil spout
<<A>>

22.
Snap ring
<<A>>

23.
Snap ring
<<B>>

24.
Input shaft assembly
<<B>>

25.
Spacer
<<B>>

26.
Output shaft assembly
<<B>>

27.
Spacer
<<B>>

28.
Shift fork 3/4 Cpl.
<<B>>

29.
Guide bush
<<B>>

30.
Guide bush with groove
<<B>>

31.
Shift fork 1/2 Cpl.
<<B>>

32.
Guide bush
<<B>>

33.
Guide bush with groove
<<B>>

34.
Shift fork 5/R Cpl.
<<B>>

35.
Guide bush
<<B>>

36.
Guide bush with groove


37.
Oil channel


38.
Fixing plate


39.
Output shaft roller bearing


40.
Oil spout
<<D>>

41.
Input shaft seal
<<D>>

42.
Input shaft roller bearing


43.
Seal ring *


44.
Seal ring *
<<E>>

45.
Snap ring
<<E>>

46.
Snap ring
<<F>>

47.
Ball bearing
<<F>>

48.
Ball bearing
<<G>>

49.
Tapered roller bearing outer race
<<G>>

50.
Tapered roller bearing outer race


51.
Transmission case



Reassembly steps


51.
Transmission case

>>A<<
50.
Tapered roller bearing outer race

>>A<<
49.
Tapered roller bearing outer race

>>B<<
44.
Seal ring *

>>B<<
43.
Seal ring *

>>C<<
42.
Input shaft roller bearing

>>D<<
41.
Input shaft seal


40.
Oil spout


39.
Output shaft roller bearing


38.
Fixing plate


37.
Oil channel

>>F<<
26.
Output shaft assembly

>>F<<
24.
Input shaft assembly

>>F<<
36.
Guide bush with groove

>>F<<
35.
Guide bush

>>F<<
34.
Shift fork 5/R Cpl.

>>F<<
33.
Guide bush with groove

>>F<<
32.
Guide bush

>>F<<
31.
Shift fork 1/2 Cpl.

>>F<<
30.
Guide bush with groove

>>F<<
29.
Guide bush

>>F<<
28.
Shift fork 3/4 Cpl.

>>F<<
25.
Spacer

>>F<<
27.
Spacer

>>F<<
47.
Ball bearing

>>F<<
48.
Ball bearing

>>F<<
22.
Snap ring

>>F<<
23.
Snap ring

>>G<<
45.
Snap ring

>>G<<
46.
Snap ring


21.
Oil spout

>>H<<
20.
Rudder cap

>>H<<
19.
Rudder cap

>>I<<
18.
Fixing bracket

>>I<<
14.
Screw

>>I<<
17.
Internal shifter part

>>I<<
16.
Reverse idle gear

>>I<<
15.
Reverse gear axle


13.
Differential assembly


12.
Magnet

>>J<<
11.
Clutch housing


10.
Control harness bracket *


9.
Detent
note Only the components marked with "*" of the vehicles with AS&G system can be overhauled.

<F5MGB>






Disassembly steps


1.
Cable bracket


2.
Reverse light switch


3.
Corrugate clamp bracket


4.
Seal cap vent

>>K<<
5.
Shift cover Cpl.




Disassembly steps


6.
Detent


7.
Control harness bracket


8.
Clutch housing


9.
Magnet


10.
Differential assembly


11.
Screw


12.
Reverse gear axle


13.
Reverse idle gear


14.
Internal shifter part


15.
Fixing bracket


16.
Output shaft roller bearing


17.
Rudder cap


18.
Rudder cap


19.
Oil spout
<<A>>

20.
Snap ring
<<A>>

21.
Snap ring
<<B>>

22.
Input shaft assembly
<<B>>

23.
Spacer
<<B>>

24.
Output shaft assembly
<<B>>

25.
Spacer
<<B>>

26.
Shift fork 3/4 Cpl.
<<B>>

27.
Guide bush
<<B>>

28.
Guide bush with groove
<<B>>

29.
Shift fork 1/2 Cpl.
<<B>>

30.
Guide bush
<<B>>

31.
Guide bush with groove
<<B>>

32.
Shift fork 5/R Cpl.
<<B>>

33.
Guide bush
<<B>>

34.
Guide bush with groove


35.
Oil channel
<<C>>

36.
Outer ring
<<D>>

37.
Input shaft seal
<<D>>

38.
Input shaft roller bearing


39.
Dust cover


40.
Seal ring


41.
Seal ring
<<E>>

42.
Snap ring
<<E>>

43.
Snap ring
<<F>>

44.
Ball bearing
<<F>>

45.
Ball bearing
<<G>>

46.
Tapered roller bearing outer race
<<G>>

47.
Tapered roller bearing outer race


48.
Transmission case



Reassembly steps


48.
Transmission case

>>A<<
47.
Tapered roller bearing outer race

>>A<<
46.
Tapered roller bearing outer race

>>B<<
41.
Seal ring

>>B<<
40.
Seal ring


39.
Dust cover

>>C<<
38.
Input shaft roller bearing

>>D<<
37.
Input shaft seal

>>E<<
36.
Outer ring


16.
Output shaft roller bearing


35.
Oil channel

>>F<<
24.
Output shaft assembly

>>F<<
22.
Input shaft assembly

>>F<<
34.
Guide bush with groove

>>F<<
33.
Guide bush

>>F<<
32.
Shift fork 5/R Cpl.

>>F<<
31.
Guide bush with groove

>>F<<
30.
Guide bush

>>F<<
29.
Shift fork 1/2 Cpl.

>>F<<
28.
Guide bush with groove

>>F<<
27.
Guide bush

>>F<<
26.
Shift fork 3/4 Cpl.

>>F<<
23.
Spacer

>>F<<
25.
Spacer

>>F<<
44.
Ball bearing

>>F<<
45.
Ball bearing

>>F<<
20.
Snap ring

>>F<<
21.
Snap ring

>>G<<
42.
Snap ring

>>G<<
43.
Snap ring


19.
Oil spout

>>H<<
18.
Rudder cap

>>H<<
17.
Rudder cap

>>I<<
15.
Fixing bracket

>>I<<
11.
Screw

>>I<<
14.
Internal shifter part

>>I<<
13.
Reverse idle gear

>>I<<
12.
Reverse gear axle


10.
Differential assembly


9.
Magnet

>>J<<
8.
Clutch housing


7.
Control harness bracket


6.
Detent

DISASSEMBLY SERVICE POINT



<<A>> SNAP RING REMOVAL




Remove the snap ring.

<<B>> INPUT SHAFT ASSEMBLY / OUTPUT SHAFT ASSEMBLY / SHIFT FORK 3/4 ASSEMBLY / SHIFT FORK 1/2 ASSEMBLY / SHIFT FORK 5/R ASSEMBLY REMOVAL


warning Please pay special attention that the input shaft assembly, output shaft assembly, shift fork 3/4 assembly, shift fork 1/2 assembly and shift fork 5/R assembly are removed at the same time.

Completely pushing the input shaft assembly and the output shaft assembly at the same time, remove them.

<<C>> OUTER RING REMOVAL



Using the special tools, support the outer ring and remove the outer ring.

  • Slide hammer (MB990211)
  • Slide hammer puller (MB992039)

<<D>> INPUT SHAFT SEAL / INPUT SHAFT ROLLER BEARING REMOVAL



Using the special tools, Snap ring installer (MD998367), remove the input shaft seal and input shaft roller bearing.

<<E>> SNAP RING REMOVAL




Remove the snap ring.

<<F>> BALL BEARING REMOVAL




Using the special tool, Crankshaft front oil seal installer (MD998717), remove the ball bearing.

<<G>> TAPERED ROLLER BEARING OUTER RACE REMOVAL




Using the special tool, support the tapered roller bearing outer race and remove the tapered roller bearing outer race.

  • Slide hammer (MB990211)
  • Slide hammer puller (MB992039)

REASSEMBLY SERVICE POINT



>>A<< TAPERED ROLLER BEARING OUTER RACE INSTALLATION




Using the special tools, install the tapered roller bearing outer race.

  • Bar (MB992075)
  • Bearing installer (MB992256)

>>B<< SEAL RING INSTALLATION




1.Using the special tools, install the oil seal.

  • Bar (MB992075)
  • Oil seal installer (MB992255)
2.Apply specified grease to the oil seal lip area.
Specified grease: OLISTA LONGTIME 3EP or equivalent

>>C<< INPUT SHAFT ROLLER BEARING INSTALLATION



Using the special tool, Dust cover installer (MB991152), install the input shaft roller bearing.

>>D<< INPUT SHAFT SEAL INSTALLATION



1.Using the special tools, install the input shaft seal.

  • Installer bar (MB990938)
  • Installer adaptor (MB990927)
2.Apply specified grease to the oil seal lip area.
Specified grease: OLISTA LONGTIME 3EP or equivalent

>>E<< OUTER RING INSTALLATION



Using the special tools, install the outer ring and tighten the specified torque.

  • Guide pin (MD999551)
  • Crankshaft front oil seal (MD998304)
Tightening torque: 10 ± 2 N·m

>>F<< INPUT SHAFT ASSEMBLY / OUTPUT SHAFT ASSEMBLY / SHIFT FORK 5/R / SHIFT FORK 3/4 ASSEMBLY / SHIFT FORK 1/2 ASSEMBLY / BALL BEARING / SNAP RING INSTALLATION



1.Install the input shaft assembly and output shaft assembly as a set to the clutch housing.

2.Install the shift fork 5/R assembly as a set to the clutch housing.

3.Slightly lifting the input shaft assembly and the output shaft assembly, install the shift fork 1/2 assembly and the shift fork 3/4 assembly to the clutch housing.

4.Install the spacer as a set to the input shaft assembly and output shaft assembly.

5.Aligning the input shaft assembly, output shaft assembly, shift fork 5/R assembly, shift fork 1/2 assembly, shift fork 3/4 assembly, shift drum assembly and transmission case hole, install the transmission case.


6.Using the special tool, Oil seal installer (MD999547), install the ball bearing.


7.Install the snap ring that has selected.
note Try to first install the thicker snap ring to always use the thickest snap ring.

>>G<< SNAP RING INSTALLATION




Install the snap ring.

>>H<< RUDDER CAP INSTALLATION




Using the special tool, Drive shaft oil seal installer (MD998803), install the rudder cap.

>>I<< FIXING BRACKET / INTERNAL SHIFTER / IDLE GEAR / REVERSE IDLE AXLE INSTALLATION


1.Remove the temporarily installed clutch housing.


2.Attaching the fixing bracket, insert the screw to prevent it from falling out.

3.Install the internal shifter part, reverse idle gear and tighten the specified torque.
Tightening torque: 25 ± 2 N·m

4.Install the reverse gear axle and tighten the specified torque.
Tightening torque: 30 ± 3 N·m

>>J<< CLUTCH HOUSING INSTALLATION



1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply the specified sealant to transmission case as shown.
Specified sealant: Loctite 5203 or equivalent
3.Install the clutch housing to the transmission case and tighten the specified torque.
Tightening torque: 27 ± 1 N·m

>>K<< SHIFT COVER CPL. INSTALLATION



1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply the specified sealant to transmission case as shown.
Specified sealant: Loctite 5203 or equivalent
3.Install the shift cover Cpl. to the transmission case and tighten the specified torque.
Tightening torque: 23 ± 2 N·m