Westerbeke BTG 8.5 Operator's Manual page 18

SCHEDULED
MAINTENANCE
Fuel Supply
Fuel/Water Separator
Engine Oil Level
Coolant Level
Drive Belts
MAINTENANCE SCHEDULE
A
WARNING:
Never attempt to perform any service while the engine is
running. Wear the proper safety equipment such as goggles and gloves, and
use the correct tools for each job. Disconnect the battery terminals when
servicing any of the engine's BC electrical equipment.
NOTE:
Many of the following maintenance jobs are simple but others are
more difficult and may require the expert knowledge of a service mechanic.
CHECK
HOURS OF OPERATION
EACH EXPLANATION OF SCHEDULED
DAY
50 100 250 500 750 1000 1250 MAINTENANCE
D Unleaded gasoline with octane rating of 89 or
higher.
D Check for water and dirt in fuel (drain/replace filter
if necessary).
D
Oil level should indicate between FULL and LOW on
dipstick.
D Check at recovery tank; if empty, check at manifold.
Add coolant if needed.
D Inspect for proper tension (3/8" to 1/2" deflection)
weekly and adjust if needed. Check belt edges for wear.
Visual Inspection of Engine
D
NOTE:
Please keep engine surface clean. Dirt Check for fuel, oil and water leaks. Inspect wiring
and oil will inhibit the engine's ability to
and electrical connections. Keep bolts & nuts tight.
remain cool.
Check for loose belt tension.
Spark Plugs
D D D D D D
Check gap; inspect for burning and corrosion.
Generator (if applicable)
D 0 0 D D D D
Check that AC connections are clean and secure
with no chafing - see GENERATOR INFORMATION
(if applicable) for addition information.
Fuel Filter (Lift Pump)
D
D D D D D Inspect for fuel leaks. Check wire connections.
Starting Batteries
D D
Every 50 operating hours check electrolyte levels
(and House Batteries) weekly and make sure connections are very tight. Clean off
excessive corrosion.
Engine Oil
D D D D D D D Initial engine oil & filter change at 50 hrs., then
change both every 100 hours.
Re-torque Cylinder Head
D D D
retorque at 50 hrs., them every 500 hours.
*Adjust the Valve
D D D
Initial adjustment at 50 hrs., then every 500 hrs.
Clearances
Air Screen (Flame Arrester)
D
Clean at 50 hours, then every 100 hours.
Exhaust System
D D D
0
Initial check at 50 hrs., then every 250 hrs. Inspect
for leaks. Check siphon brake operation. Check the
exhaust elbow for carbon and/or corrosion buildup
on inside passages; clean andreplace as necessary.
Check that all connections are tight.
Engine Hoses
D D D
D 0 D Hose should be hard & tight. Replace if soft or
spongy. Check and tighten all hose clamps.
Inlet Fuel Filter
D D 0 D
0
0
Replace every 250 operating hours.
continued
Engines & Generatnrs
10