This is the building process of a Hong
Nor Speed 9.5 with all pro's and con's found.
Click on the pictures to enlarge
Step 3
Front gearbox and shock stay
Step 3 is the assembly of the front gearbox with the
shock stay.
First take one of the gear box halves and place a 8x16 mm
bearing in the outside hole.
Press this bearing until it is flush with the outside of the
gear box.
Slide a 8x16 mm bearing over the pignon.
Press the pignon and bearing in the inside hole of the
gear box until it stops.
Now take 4x4 mm set screw and use some high strength
thread lock and secure the drive joint on the pignon.
With the kit come some thin 3x16x0.2 mm shim washers in
this picture red marked. Place to start two of them on the opposite side
of the crown gear. Slide them over the dif out put until they touch the
bearing outer side.
Place as shown in the picture the differential in the dif
box. Take care that the shim washers are not deformed when the complete
differential is placed. The shim washers are there to make the correct
meshing between the crown gear and the pignon. When the gear box is
completed check by turning the pignon is all runs smooth without play. If
this is the case you do not need any extra washers. When there is to much
play remove a shim washer and place it on the side of the crown gear. If
there no play place an extra shim washer on the opposite side of the crown
gear. In some cases three washers are needed. One at one side and two at
the other. Mesh the gears well to be sure of no extra wear.
Put the other half of the gear box on. Also take care not
to deform the shim washers.
For the front gear box we need these parts.
First mount the lower aluminum hinge pin holder and fix
it with 4x45 mm self tapping round head screws they are red marked.
Also place the 4x15 mm self tapping round head screws in the top they are
green marked.
Place the plastic upper and and lower hinge pin holder on
the other side with 4x16 mm counter sunk self tapping screws on the red
marked spots.
The front shock stay needs these parts.
First mount 4 mm lock nuts in the holes.
Now place the shock stay and secure it with 4x15 mm round
head screws on the red marked spot. 3x12 mm round head self tapping screws on
the green marked spots. And 3x12 mm round head self tapping screws at the
blue marked spots.
Check the free running of the pignon and crown gears mentioned before.
Also put some grease on these two gears!
Some screws sizes differ from the
manual, take care of that!
The pignon crown gear make some noise that
looks like the teeth are not corresponding. If this will affect the
performance and durability we have see.