Volvo Penta KAD/KAMD300, Operator'S Manual

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73
Propellers
For best performance and fuel economy the engine speed should be within the maximum RPM range: See chap-
ter
“ Operation ” . If the engine speed at maximum RPM falls outside the max. RPM range then the propeller
should be changed.
WARNING! Make it impossible to start the engine when working on the propellers. Take the starter key out
of the starter switch.
IMPORTANT! Damaged propellers should be replaced immediately. Operating the boat with a damaged pro-
peller should be undertaken with extreme care and only at reduced engine speeds.
Maintenance: Propellers
Propellers. DPX-drive
NOTE! A tool for installing and removing the propel-
lers (please refer to the illustration) is provided with
the drive.
Removal
1. Switch the ignition on and put the control lever in
the reverse position. Take the starter key out of
the starter switch.
2. Remove the lock screw (1) and the nut (2). Re-
move the rear propeller (3).
3. Switch the ignition on and put the control lever in
the forwards position. Take the starter key out of
the starter switch.
4. Remove the lock nut (4). Remove the front propel-
ler (3).
5. Dry the propellers off.
Installation
1. Grease both the propeller hubs. Use Volvo Penta
grease (water resistant).
2. Switch the ignition on and put the control lever in
the forwards position. Take the starter key out of
the starter switch.
3. Slide the front propeller (5) onto the shaft.
4. Install the large lock nut (4) and torque it to 50–70
Nm (37-52 lbf ft).
5. Switch the ignition on and put the control lever in
the reverse position. Take the starter key out of
the starter switch.
6. Slide the rear propeller (3) onto the shaft and lock
it with nut (2). Use a 30 mm socket and torque it to
25–35 Nm (18-26 lbf ft).
7. Install lock nut (1) and torque it to 70-80 Nm (52-60
lbf ft).
5
3
2
4
1