Perkins 4012TESI Series, User Handbook Manual, Page: 34 / 57

MAINTENANCE PROCEDURES
30 4012/16 Gas, February 1998
TURBOCHARGERS
If the engine has been overhauled and a
filter joint fitted to the turbocharger oil feed,
this should now be removed and replaced
with
the standard joint. See Service
Bulletin 301 (Revised) and 1 .
FOR ENGINES OPERATING ON BIOGAS,
LANDFILL GAS, ETC.
SPARK PLUGS
Clean and reset gaps as described in
Section N9 of the Workshop manual .
ENGINE OIL AND SPIN-ON FILTERS,
ALSO CENTRIFUGAL OIL FILTER
(WHERE FITTED)
Change engine oil and disposable filters
(see page 34 ) clean centrifugal filter (see
page 33 ) .
ENGINE ALTERNATOR DRIVE BELT
Remove the small mesh guard (1) around
the alternator. The toothed belt used to drive
the alternator relies on tooth engagement to
transmit
to load. It does not require
preloading, however a slight initial tension to
ensure that the belt fits snugly round the
pulleys is desirable. Using light pressure
midway between the two pulleys a total
deflection of 1.5 mm (
1
/
16
”) is satisfactory
(see Fig. 17 ). Refit the guard.
SPARK PLUGS
Reset the plug gap as described in Section
N9 and N12 of the Workshop Manual .
ENGINE OIL AND FILTERS
On completion of the first 500 hours
running, change the engine oil and
filters.
DISCONNECTING
BATTERIES OR ANY
OTHER MEANS OF STARTING.
WARNING
Fig. 17