OPERATING INSTRUCTIONS
20 4006/8 Diesel, May 1998
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
speedwhenoperatingthekeyswitch(i.e.
energising the stop solenoids) it will be
necessary to hold the governor lever in the
stop position (see Fig. 4).
Prime the lubricating system through the oil
filters until approximately 0.3 bar (5lb/in²) is
indicated on the oil pressure gauge.
Continue pumping for a further 10 seconds
to ensure that oil has reached the
turbocharger.
FILLING THE COOLING SYSTEM
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. Refer
to page 17.
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 (see
Workshop Manual Section F8).Runthe
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.
WARNING
THE COOLING
SYSTEM IS
PRESSURISED - DO NOT REMOVE THE
FILLER CAP FROM THE RADIATOR
WHILST THE ENGINE IS HOT. HAND
PROTECTION MUST BE WORN.
Fig. 4
Fig. 5
11.2
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