Lower Unit Gears - Shimming And Adjustment - Suzuki DF70A Service Manual

3A-24 Right Hand Rotation Unit:

Lower Unit Gears - Shimming and Adjustment

If the lower unit has been rebuilt or has had components replaced, shimming for the correct gear contact and backlash
will have to be checked and/or adjusted to ensure smooth, reliable operation.
Shim / Washer and Mounting Position
Item
Pinion gear back up shim
Forward gear back up shim
Forward gear thrust washer
Propeller shaft reverse thrust washer
Reverse gear back up shim
1
1. Pinion gear back up shim
2. Forward gear back up shim
Available thickness (mm)
0.50, 0.55, 0.60, 0.65, 0.70, 0.75,
0.80, 0.85, 0.90, 0.95, 1.00, 1.05,
1.10, 1.15
0.55, 0.60, 0.65, 0.70, 0.75, 0.80,
0.85, 0.90, 0.95, 1.00
3.0
0.5, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,
1.7
0.55, 0.60, 0.65, 0.70, 0.75, 0.80,
0.85, 0.90, 0.95, 1.00, 1.05
5
2
3
4
3. Forward gear thrust washer
4. Propeller shaft reverse thrust washer
Design specification thickness
(mm)
1.0
1.0
3.0
1.3
1.0
5. Reverse gear back up shim
Z9J0113106029
I9J011310011-04