Inspection Of Drive Shaft; Disassembly Of Forward Gear (A Gear); Inspection Of Pinion Gear (B Gear) And Forward Gear (A Gear); Assembly Of Forward Gear (A Gear) - TOHATSU MFS25 Service Manual

22) Inspection of Drive Shaft

1. Check drive shaft for bend and wear. Replace if necessary.
2. Measure drive shaft runout.
Runout Limit : 0.5 mm (0.020 in)

23) Disassembly of Forward Gear (A Gear)

1. Use two bladed screw driver to remove taper roller bearing
from forward gear (A gear).
Do not reuse bearing. Be sure to replace
with new one.
• Remove shim carefully not to damage it
because it is reusable.
• Replace shim with new one of the same
thickness if any deformation or damage is
found on removed shim.
• Before removing, check bearing for play or
deflection. Replace if necessary.
24) Inspection of Pinion Gear (B Gear)
and Forward Gear (A Gear)
1. Check pinion gear (B gear) and forward gear (A gear) teeth
and clutch for crack and wear. Replace if necessary.
Measure forward gear (A gear) bushing inner diameter a. If
2.
any wear is found, perform measurement of pinion gear (B
gear) height carefully. If worn severely, replace gear with
new one.
Forward Gear (A Gear) Bushing Inner Diameter a : Standard Value
17.03 to 17.05 mm ( 0.6705 to 0.6713 in)

25) Assembly of Forward Gear (A Gear)

1. Attach removed shim or shim of the same thickness to
forward gear (A gear).
2. Use a press to install new taper roller bearing to forward
gear (A gear).
Bevel Gear Bearing Installation Tool 1 :
P/N. 346-72719-0
25/30 2006
CAUTION
a
a Supporting Points
a
a
6
1
6-17