Cooling Flow Diagram Moyer Marine Atomic 4 Community Home Of The Afourians Page 2 atomic 4 operation and maintenance manual part number 200156 'westerbeke westerbekecorporation myles standish industrial park 150 john hancock road, taunton, ma 02780 7319 page 3 installation, operation maintenance instructions universal marine engines blue jacket twin, atomic four, utility four, super four, unimite four, arrow (six. The t fitting is on the side of the water jacket allowing water flow to go in two directions. the diverter is a part of the t fitting that is just inside the water jacket. it diverts the cooling water flow aft towards the #4 cylinder. (ideally, aft and at a 45° down angle) rigs diagram above points out both. both should be cleaned periodically.
The Atomic Four Marine Engine In. addition to fogging the engine, we also suggest that oil be placed in each. cylinder and the engine turned over three (3) or four (4) times to insure. added protection for the valves during storage. during colder weather when boats are not used regularly, the engines. require extra care and attention. Screws. (4) turn the magneto shaft until the cam shoe rests on the highest point of the cam. (5) insert a scre,\7 dr iver in the slot (3) underneath the breaker arm. turn the scre'\7dr iver against the two projections until a sepa ration at the points of 0.015" is obtained. tighten the locking screws. The utility four model was displaced by the atomic 4 in 1947. differences between early and late models. most parts are interchangeable between early and late atomic 4 (and stevedore) model engines. however, a few parts (particularly some of those used in the fuel system, ignition system, and cooling system) are unique to early or late models. Whenever the engine is placed in operation, it should be run until the engine is thoroughly warmed up to normal operating temperature and then it should be operated at this temperature for 15 to 30 minutes. just starting an engine briefly changes the temperature slightly and induces condensation to form. this condition is one of the main causes.
Universal Atomic Four Engine The utility four model was displaced by the atomic 4 in 1947. differences between early and late models. most parts are interchangeable between early and late atomic 4 (and stevedore) model engines. however, a few parts (particularly some of those used in the fuel system, ignition system, and cooling system) are unique to early or late models. Whenever the engine is placed in operation, it should be run until the engine is thoroughly warmed up to normal operating temperature and then it should be operated at this temperature for 15 to 30 minutes. just starting an engine briefly changes the temperature slightly and induces condensation to form. this condition is one of the main causes. A lot of atomic 4's are set up with rwc as it is the simplest set up, but not the best set up for the engine. if you have a heat exchanger then your boat is fwc, if no hx then rwc. recommend overnight white vinegar flush of cooling passages. 1 gallon of white vinegar is about $2 in the supermarket. 9. check cooling system and make sure water pump is operating by checking water out of exhaust pipe. temperature indicated on gauge should gradually go up to 140 160 degrees. 10. if oil pressure or water flow (or operating temperature) is not normal, stop engine at once and check installation to correct problem. 11.
Atomic 4 Owners Manual A lot of atomic 4's are set up with rwc as it is the simplest set up, but not the best set up for the engine. if you have a heat exchanger then your boat is fwc, if no hx then rwc. recommend overnight white vinegar flush of cooling passages. 1 gallon of white vinegar is about $2 in the supermarket. 9. check cooling system and make sure water pump is operating by checking water out of exhaust pipe. temperature indicated on gauge should gradually go up to 140 160 degrees. 10. if oil pressure or water flow (or operating temperature) is not normal, stop engine at once and check installation to correct problem. 11.
Atomic 4 Fresh Water Cooling System
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