Section 5 - Maintenance
Page 116 90-866938081 MAY 2009
2. Looking through the inlet openings, visually inspect the cavity between the inlet cover
and the center section plate for marine growth (shells, crustaceans, etc.). If marine
growth is found in the cavity, contact your Authorized CMD Repair Facility.
Shown with cover removed for clarity
a - Seawater inlet to seacock
b - Cavity (shaded area)
c - Center section plate
d - Cover
Seawater Strainer
Refer to the appropriate Cummins Operation and Maintenance Manual Marine
Engine for seawater strainer maintenance instructions.
Flushing the Seawater System
Before seasonal or extended storage, we recommend flushing the seawater cooling
system to avoid salt or silt buildup. Contact your Cummins MerCruiser Diesel Authorized
Repair Facility for additional information.
Battery
All lead acid batteries discharge when not in use. Recharge every 30 to 45 days, or when
specific gravity drops below battery manufacturer's specifications.
Refer to specific instructions and warnings accompanying your battery. If this information
is not available, observe the following:
!
WARNING
An operating or charging battery produces gas that can ignite and explode, spraying out
sulfuric acid, which can cause severe burns. Ventilate the area around the battery and
wear protective equipment when handling or servicing batteries.
!
WARNING
Recharging a weak battery in the boat, or using jumper cables and a booster battery to
start the engine, can cause serious injury or product damage from fire or explosion.
Remove the battery from the boat and recharge in a ventilated area away from sparks or
flames.
Gauges
Checking Gauges
1. Check that all gauges are securely mounted.
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