Westerbeke Universal M3-20B User Manual

SCHEDULED
MAINTENANCE
Engine Hoses
Heat Exchanger
Zinc Anode
Electric Fuel Lift
MAINTENANCE SCHEDULE
NOTE: Use the engine hour meter gauge to log your engine hours or record your
engine hours
by running time.
CHECK
HOURS OF OPERATION
EACH EXPLANATION OF SCHEDULED
DAY 50 100 250 500 750 1000 1250
MAINTENANCE
0 0 0 0 0 0 0
Hose should be hard & tight Replace if soft or
spongy. Check & tighten all hose clamps.
0 0
0
0 0 0 0
Clean or replace anode. Open heat exchanger end
cap and clean out debris. Remove every 1000 hours
for professional cleaning and pressure testing.
0 0
0 0
0 0
Clean at 50 hours, then clean every 250 hours.
Pump Filter (if applicable)
Raw Water Pump
0
0 0
Remove pump cover and inspect impeller for wear;
replace if needed. Also replace gasket Lubricate
both when reassembled. Inspect pump for internal
wear, cover plate wear and cam wear.
Coolant System
0 0
Drain, flush, and refill cooling system with
appropriate antifreeze mix.
'Fuel Injectors
0
Check and adjust injection opening pressure and
spray condition (see Engine Adjustments).
'Starter Motor
0 0
Check solenoid and motor for corrosion. Remove
and lubricate. Clean and lubricate the starter motor
pinion drive.
'Preheat Circuit
0 0
Check operation of preheat solenoid. Remove and
clean glow plugs; check resistance (0.7-0.8 ohms).
'Engine Cylinder
0 0
Incorrect valve clearance will result in poor engine
Compression and
performance; check compression pressure and timing,
Valve Clearance
and adjust valve clearances.
DC Alternator
0
0
0
Check DC charge from alternator. Check mounting
bracket; tighten electrical connections.
Heat Exchanger
0
Remove, have professionally cleaned and pressure
tested.
'Engine Transmission
0
Chattering at idle and low rpms is an indication of
Damper Plate
damper plate wear. Remove and replace.
'UNIVERSAL recommends this service be performed by an authorized mechanic.
13

Westerbeke Universal M3-20B Specifications

General

Brand	Westerbeke
Model	Universal M3-20B
Category	Engine
Language	English