Fitting a Fixed Propeller (2-Blade)
(1)
(2)
(3)
(4)
(5)
(6)
0005446
Figure 1
1 – Spacer
2 – Grease
3 – Propeller
4 – Washer
5 – Nut *
6 – Bolt **
Size
Tightening Torque
*
M16 (SD20)
M20 (SD50, SD50-4T)
60 to 70 N·m (44 to 52 lb-ft)
80 to 100 N·m (59 to 74 lb-ft)
**
M8 x 75 mm
11 to 15 N·m (8 to 11 lb-ft)
Locking Procedure for Fixed Propeller Nut (Optional)
When tightening the nut to 60 to 70 N·m (44 to 52 lb-ft) torque for the SD20, and
80 to 100 N·m (59 to 74 lb-ft) torque for the SD50 and SD50-4T, move the shift lever to ahead
and hold the crankshaft V-pulley clamp nut with a wrench to stop the propeller rotating.
BEFORE YOU OPERATE
SD Operation Manual
17
© 2009 Yanmar Marine International