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CARE AND MAINTENANCE
To achieve good results in operation, it is important to give the engine the attention
recommended. Tbe following section includes general guidance, descriptive notes
and sketches to assist in routine maintenance.
If the specified maintenance is carried out correctly and at the recommended
intervals, engine deterioration will be minimised and optimum performance will be
ensured.
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MATERlALS '. Cc,
A. LUBRICATING OIL SYSTEM
'" Tbe lubricating oil system is pressur-
ised, the oil being pumped from tbe .
sump oil filter (1) via tbe oil pump (2)
(gear pump fitted inside pump hous-
ing) and, under pressure, to the fu1l
flow filter (3). Oil channels in tbe
crankcase/ main hearing housing pro-
vide lubrication for crankshaft main
hearings and connecting rod hearings.
A pulsed oil flow is also fed via the
camshaft (5) and the pipe (6) to tbe
~ rocker arm hearings before being re-
turned to the sump.
. Tbe oil pressure is limited by the oil
pressure relief valve (4) fitted behind Fig. 12
tbe oil filter (see Figs 12 and 18). Tbe
oil pressure is indicated on the
pressure gauge (7).
LUBRICATING OIL
Tbe engine oil should be checked daily before starting. Tbe dip stick is located in
the governor cover and bas two level marks. Tbe upper mark indicates tbe oillevel
. when the sump is fu1l (4Iitres). Tbe level shouJ.d never be allowed to fall below the
lower mark.
To ensure effective lubrication and long lasting engine cleanliness, it is important to
use an approved oil to tbe correct specification.
API-SERVICE CO (Previous nomenclature: Service OS-Series 111):
15
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