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Operating Instructions of Perkins 4000 Series Engines

Mar. 31, 2018

If you don't know how to operate Perkins generator 4006/4008 Series engines, this article will show you detailed information about Perkins lubrication system, cooling system and fuel system. 


Perkins 4000 Series engine.jpg

Preparation for install initial start batteries (Perkins batteries are supplied dry charged.)


Warning: Hand protection must be worn when checking electricity level in the battery. Inflammable gas is given off by the battery. Do not check with a naked flame.


Check the level of electrolyte In each of the battery cells; it should be 8-16 mm above the plates. Using a hydrometer, check that the batteries are fully charged. A fully charged battery will have a specific gravity of l.27 to 1,285, assuming the air temperature is below 32. For higher temperatures the specific gravity will be l.24 to 1.255. When topping up the batteries always use pure distilled water and always replace the plugs after filling.


Warning: Never connect a system without first checking the polarity and voltage. Never disconnect the battery whilst the engine is running. Never flash connections to check for current flow.

 

Filling the Engine With Oil

 

Remove the drain plug to ensure sump is clean and empty, refit and tighten the plug. Remove the oil filter plug situated on the left hand side of the gearcase by rotating T-bar anti-clockwise and pulling see Fig, 2. 


Perkins engine.jpg


Fill the sump to maximum mark on the dipstick see Fig.3 with the appropriate grade and quality of oi! specified, and replace the plug, rotating the T-bar to tighten and seal it.


Perkins engine oil.jpg

 


Priming the Lubrication System


Before starting the engine for the first time, or if it has stood idle for more than three months the crankshaft and turbocharger bearings should be primed.

To prime the lubrication system the engine needs to be motored over on the starter. In order that the engine does not run up to speed when operating the key switch (i.e. energizing the stop solenoids) it will be necessary to hold the governor lever in the stop position (see Fig. 4).


Perkins lubrication system.jpg


Prime the lubricating system through the oil filters until approximately 0.3 bar (5lb/in) is indicated on the oi! pressure gauge. Continue pumping for a further 10 seconds to ensure that oil has reached the turbocharged.

 

Filling the Cooling System

 

The cooling system is pressurized - Do not remove the filler cap from the radiator whilst the engine is hot. Hand protection must be worn.

The use of plain drinking water is not recommended owing to chemical reactions which can result in corrosion and furring- up of the cooling system. A solution of either water and universal anti-freeze or water and corrosion preventative} must be used.

After installation and before the first start remove the radiator cap Fig. 5 by rotating it anti-clockwise. Fill the cooling system with the required coolant. Should the engine be fitted with water cooled exhaust manifolds then these may need bleeding. Run the engine off-load for one minute to ensure that the system is completely filled, then stop the engine and top up the system to 25 mm (1") below the top of the filter neck then replace the cap.


Perkins cooling system.jpg

 


Preparation for Initial Start

 

Priming the Fuel System

 

Turn on the fuel feed from the day tank, loosen the union   on the tee-piece (1) Fig. 6 then operate the priming pump by repeatedly pressing the rubber button (2) until air free fuel flows from the union  , re-tighten the union  .

 

Fuel flow circuit Fig. 6


Perkins fuel circuit.jpg

 

A. Combined fuel filter/water separator

 

Loosen the union   on the fuel feed pipe (3) Fig. 7 at the flywheel end of the fuel rail, Operate the priming pump until air free fuel flows and re-tighten the union  , continue this operation at the fuel feed union   (4) and the fuel return union   (5) at this point one cylinder will be primed and a considerable amount of fuel will have reached other cylinders the engine will run in this condition if a little unevenly until air is fully vented from the system.


fuel feed pipe.jpg

 

Optional Change Over Filter

 

On engine fitted with a change over filter system prime the system as described above but prime the filter on the engine feed side union   (6) Fig. 8 before priming the fuel rail.


change over filter.jpg


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