Universal M3-20A User Manual

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
SCHEDULED EACH
EXPLANATION OF SCHEDULED
MAINTENANCE DAY 50 100 250 500
750 1000 1250
MAINTENANCE
Engine Hoses
0 0 0 0 0
0
0
Hose should be hard & tight. Replace if soft or
spongy. Check & tighten all hose clamps.
Heat Exchanger
0 0 0 0 0
0
0
Clean or replace anode. Open heat exchanger end
Zinc Anode
cap and clean out debris. Remove every 1000 hours
for professional cleaning and pressure testing.
Electric Fuel Lift
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 appro-
priate antiireeze 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 (1.1-1.2 ohms).
<Engine Cylinder
0 0
Incorrect valve clearance will result in poor engine
Compression and pertormance; check compression pressure and timing,
Valve Clearance and adjust valve clearances.
DC Alternator
0 0 0
Check DC charge from a~ernator Check mounting
bracket; tighten electrical connections.
Heat Exchanger
0
Remove, have professionally cleaned and pressure
tested.
REngine 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 pertormed by an authorized mechanic.
12

Universal M3-20A Specifications

General

Brand	Universal
Model	M3-20A
Category	Engine
Language	English