removable oil screen and breather. Reinstall the
breather and refill the marine gear with oil up to the
full mark on the dipstick. Start the engine and, with
the gear in neutral, run the engine at idle speed for
three to five minutes. Then stop the engine and check
the oil level. If necessary, add oil to bring it up to the
full mark on the dipstick.
ROCKFORD REDUCTION GEAR:
Check the oil level in the reduction gear every 8 hours
and add oil as required to bring it to the proper level
on the dipstick. Drain the oil every 1,000 hours, flush
the housing with light engine oil and refill to the
proper level with the same grade and viscosity heavy
duty oil that is used in the engine. This oil change
p e r i o d should be reduced under severe operating
Lubricate the clutch release bearing through the
grease fitting on the side of the housing every 8 hours
o f operation. The clutch release bearing in the
1 8 " diameter clutch is pre-lubricated and is not
p r o v i d e d with a grease fitting, since no further
lubrication is required. Lubricate the front reduction
clutch pilot ball bearing through the fitting in the
outer end of the drive shaft every 50 hours. One or
two strokes with a grease gun should be sufficient.
Remove the inspection hole cover and oil the clutch
release levers and link pins sparingly every 500 hours.
Lubricate the clutch release shaft through the grease
fittings on the front of the housing every 500 hours.
REDUCTION GEAR (24V and 32V):
The oil level in the reduction gear should be checked
while the gear is in operation. Keep the oil level at the
operating level on the dipstick.
Drain the oil every 200 hours of operation. Flush with
light engine oil and refill to the proper level on the
dipstick (approximately 21 gallons or 79 litres).
NOTE: Series 3 oil should not be used in the
Use oil of the same heavy duty grade and viscosity that
is used in the engine.
Every time the oil is changed, remove the element
from each oil strainer and rinse it thoroughly in clean
fuel oil, dry it with compressed air and reinstall.