MAINTENANCE SCHEDULE & CHECKLISTS
4012/16 Diesel, February 1997 4
1
DAILY INSPECTION
DRAINING THE WATER TRAP/
SEDIMENTER (WHERE FITTED)
There are no moving parts or elements to
service, however daily open the drain plug to
remove collected water and sediment. The
plug is self retaining, unscrew until loose.
Leave open until clean fuel is seen. Screw
back in (see Fig. 28).
AFTER FIRST 50 HOURS ONLY
FENNER TAPER LOCK BUSHES
Maintenance Instructions
Experience has shown that taper lock
bushes, as fitted in the fan and alternator
driven pulleys, can work loose shortly after
being put into service. After a bush has been
run for the first 50 hours, check the tightness
of the screws. Tighten the screws gradually
and alternately until tightened to the required
torque (see
Torque Settings). Replace any
g
uards removed before running the engine
(see Fig. 29).
AFTER FIRST 100 HOURS
NEW OR REBUILT ENGINES
It is essential to carry out the following
maintenance procedure after the initial 100
hours.
Equalise bridge pieces and check valve
clearances (see pages 55-58).
E
VERY 250 HOURS OR EVERY 6
MONTHS
ENGINE OIL AND FILTERS
Change engine oil and filter (see page 48).
E
qualise bridge pieces and check valve
clearances (see pages 55-58).
Key
(Fig. 29)
1 Locating screw
WARNING
DISCONNECT
BATTERIES OR ANY
OTHER MEANS OF STARTING. ALWAYS
WEAR PROTECTIVE GLOVES.
Fig. 28
Fig. 29
