DISASSEMBLY AND REASSEMBLY







Disassembly steps


1.
1st speed gear


2.
Needle bearing
<<A>>
>>E<<
3.
Bearing sleeve


4.
Synchronizer inner ring


5.
Synchronizer cone


6.
Synchronizer outer ring

>>D<<
7.
1st-2nd synchronizer sleeve


8.
Synchronizer outer spring


9.
Synchronizer key

>>D<<
10.
1st-2nd synchronizer hub
<<A>>

11.
2nd speed gear


12.
Needle bearing


13.
Needle bearing

>>C<<
14.
Snap ring

>>A<<
15.
3rd-4th speed synchronizer sleeve


16.
Synchronizer ring

>>B<<
17.
Synchronizer spring

>>B<<
18.
Synchronizer key
<<B>>
>>A<<
19.
3rd-4th speed synchronizer hub
<<B>>

20.
3rd speed gear


21.
Needle bearing


22.
Mainshaft

DISASSEMBLY SERVICE POINTS



<<A>> BEARING SLEEVE REMOVAL



1.Support the 2nd speed gear on the special tool Bearing remover (MD998917) as illustrated.
2.Remove the ball bearing sleeve using a press.

<<B>> 3RD SPEED GEAR REMOVAL



1.Support the 3rd speed gear on the special tool Bearing remover (MD998917) as illustrated.
2.Remove the 3rd speed gear with synchronizer hub and sleeve using a press.

REASSEMBLY SERVICE POINTS



>>A<< 3RD-4TH SPEED SYNCHRONIZER SLEEVE/3RD-4TH SPEED SYNCHRONIZER HUB INSTALLATION



1.Assemble the synchronizer hub and sleeve. Make sure that the hub and sleeve slide smoothly.

2.Use special tools to install the synchronizer hub and sleeve.

  • Installer cap (MD998812)
  • Installer adapter (44) (MD998821)

>>B<< SYNCHRONIZER KEY/SYNCHRONIZER SPRING INSTALLATION



Install two synchronizer springs. When installing the springs, Make sure that steps of front and rear spring s are positioned on a synchronizer key, but not on the same key.

>>C<< SNAP RING INSTALLATION



Select and install the snap ring so that the synchronizer hub end play may reach the standard value.
Standard value: 0 - 0.08 mm

>>D<< 1ST-2ND SPEED SYNCHRONIZER HUB/ 1ST-2ND SPEED SYNCHRONIZER SLEEVE INSTALLATION




Assemble the synchronizer hub and sleeve. Make sure that the hub and sleeve slide smoothly.

>>E<< BEARING SLEEVE INSTALLATION



Use special tools to install the bearing sleeve.

  • Installer cap (MD998812)
  • Installer-200 (MD998814)
  • Installer adapter (40) (MD998819)