www.marinedieseldirect.com is part of the TOAD Marine Supply. Order parts from this catalog online, by phone 616-820-0022, fax 616-396-1136 or email


Caution
General Information
Preparations For Starting
Before Starting
Starting Engine
Engine Break-in and General Running
Stopping the Engine
Decompression Lever
Instrument Panel
Wiring Diagram
Preparing Engine for Storage
Preparing Engine for Spring Service
Fuel Injection Timing
Diesel Valve Timing
Adjusting Fuel Timing
Decompression Device Adjustment
Fuel System
Fuel Bleeding
Oil Filter Change
Sea Water Pump and Impeller Replacement
Model 15 Sea Water Circulation Diagram
Model 12, 18, 20, 25, 25XP, 30, 40 & 50 Water
Fresh Water Circulation Diagram

Hurth Transmission
Periodic Service Chart for Engine
Marine Engine Warranty - Limited

Engine Specifications and Images
(by engine model)

M2-12
M3-20
M4-30
M-25XP
M-35
M-30
M-40
M-50
M-12
M-15
M-18
M-20
M-25

 

CAUTION

Your Universal Diesel engine is supplied with top quality, factory tested components. These will not, however, replace safe practices in the handling of fuel and the use of your engine. The following procedures, if observed, will help insure safe operation and prevent damage to your engine and its components.


SAFETY PROCEDURES:

KEEP THE ENGINE AND ENGINE COMPARTMENT CLEAN AND FREE FROM OILY WASTE AND CLOTHS.

KEEP FUEL AND OIL OUT OF BILGE.

PERIODICALLY INSPECT THE ENGINE, EXHAUST SYSTEM, FUEL LINES AND WATER CONNECTIONS FOR LEAKS.

DO NOT OVERFILL THE FUEL SUPPLY TANK, THIS MAY CAUSE RAW FUEL TO ACCUMULATE IN THE BILGE.

THE BLOWER SHOULD ALWAYS BE OPERATED FOR APPROXIMATELY FOUR (4) MINUTES PRIOR TO STARTING THE ENGINE SO THAT THE ENGINE COMPARTMENT WILL BE COMPLETELY VENTILATED, IF BLOWER IS INSTALLED.


LUBRICATION:

THE ENGINE IS SHIPPED FROM THE FACTORY WITH THE CRANKCASE EMPTY.
THE CORRECT GRADE AND AMOUNT OF OIL MUST BE ADDED BEFORE OPERATION, SEE SPECIFICATIONS AND FILL TO FULL MARK ON DIPSTICK.

THE TRANSMISSION IS FILLED BEFORE SHIPMENT BUT THE OIL LEVEL MUST BE CHECKED BEFORE OPERATION, SEE SPECIFICATIONS, PAGE 41.


ALTERNATOR:

TO PREVENT ALTERNATOR DAMAGE, DO NOT OPEN OR SWITCH BATTERY CIRCUITS WHILE THE ENGINE IS RUNNING.


RACING THE ENGINE:

DO NOT RACE THE ENGINE. THIS PRACTICE MAY CAUSE SERIOUS DAMAGE.


DECOMPRESSION LEVER:

DO NOT USE THE DECOMPRESSION LEVER TO STOP THE ENGINE, THIS WILL CAUSE SERIOUS DAMAGE TO THE EXHAUST VALVES. MODELS M-12, M2-1O, M3-20, M4-30 AND M-35.  DO NOT HAVE A DECOMPRESSION LEVER.


MAINTENANCE AND UPKEEP:

IT IS THE OWNER'S OR OPERATOR'S RESPONSIBILITY 10 PERFORM ALL NECESSARY PREVENTIVE MAINTENANCE AND UPKEEP, AT LEAST SEMI ANNUALLY.

FRESH WATER COOLING SYSTEM: (ALL MODELS EXCEPT M-15)

THIS SYSTEM MUST BE FILLED SLOWLY WITH A 50/50 BLEND OF WATER AND A GOOD GRADE OF PREMIUM ANTIFREEZE. (THE COOLANT BLEND MAY CHANGE, BASED ON CLIMATIC CONDITION IN YOUR AREA.) OR YOU MAY ALSO USE CLEAN FRESH WATER WITH AN ANTI RUST INHIBITOR. DO NOT USE PURE ANTIFREEZE. AFTER ENGINE HAS REACHED OPERATING TEMPERATURE IT MAY REQUIRE ADDING MORE COOLANT AS THE AIR IS PURGED FROM THE SYSTEM. IF ENGINE OVERHEATS, RECHECK LEVEL, IF HOT WATER HEATER IS INSTALLED, ALL AIR MUST BE REMOVED FROM THE LINES AND SYSTEM TO
PREVENT OVERHEATING USUALLY BY MEANS OF AN ADDED BLEED VALVE IN HEATER LINE OR EXPANSION TANK IN THE SYSTEM.


COOLING SYSTEM: (Model 15)

THE M-15 WHICH IS COOLED DIRECTLY BY SEA WATER, USES A RE-CIRCULATING SYSTEM WHICH DISCHARGES THE WATER AND VAPOR OVERBOARD WITH THE EXHAUST GASES.


EXHAUST SYSTEM:

IT SHOULD BE INSTALLED WITHOUT SHARP BENDS AND SHOULD BE DESIGNED TO DRAIN ANY WATER AWAY FROM THE ENGINE. THE WATER INLET TO EXHAUST LINE MUST BE LOCATED TO PREVENT WATER FROM BACKING UP INTO THE ENGINE.  IF A WATER-LIFT "CAN" TYPE MUFFLER IS USED, BE SURE IT IS LARGE ENOUGH TO HOLD APPROXIMATELY 3 TIMES ThE AMOUNT OF WATER THAT MAY BE IN THE LINES WHEN THE ENGINE IS
SHUT DOWN SO THAT WATER WON'T BACK UP INTO THE ENGINE.

PROLONGED CRANKING OF THE ENGINE WITH FAILURE TO START CAN FILL THE EXHAUST SYSTEM WITH SEA WATER CAUSING IT TO BACK UP INTO THE ENGINE CAUSING SERIOUS DAMAGE TO THE ENGINE WHEN CRANKING IS STOPPED. CHECK COMPLETE SYSTEM AT LEAST MONTHLY FOR LEAKS.


STARTING & STOPPING ENGINE:

BE SURE TO CAREFULLY READ INSTRUCTIONS ON HOW TO START AND STOP YOUR ENGINE BEFORE STARTING ENGINE.


FUEL SUPPLY:

DO NOT RUN ENGINE OUT OF FUEL OR RE-BLEEDING OF YOUR FUEL SYSTEM WILL BE REQUIRED.

FUEL MUST BE FREE OF ANY MOISTURE OR IMPURITIES. CHECK CAREFULLY. MOISTURE CAN SERIOUSLY DAMAGE PUMP AND NOZZLES. AN ADDITIVE SHOULD BE USED AS BACTERIA GROWTH CAN PREVENT GOOD RUNNING CONDITIONS CAUSING THE ENGINE TO RUN ERRATIC OR LOSE POWER.


STARTING MOTOR:

CRANK THE ENGINE FOR ONLY 10 SECONDS AND PAUSE FOR 10 SECONDS. REPEAT UNTIL ENGINE STARTS. NEVER CRANK ENGINE LONGER THAN 20 SECONDS WITHOUT A PAUSE TO PERMIT STARTER TO COOL DOWN. USE OF GLOW PLUGS WILL AID IN STARTING, REDUCE CRANKING TIME AND INCREASE BATTERY LIFE. ENGINE SOLD AFTER EARLY 1983 REQUIRES GLOW PLUG BUTTON TO BE ENGAGED IN ORDER FOR STARTER BUTTON TO ENERGIZE STARTER.

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