HATZ Diesel 1D90 User Manual
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– Clean sieve bottom carefully in order not to
bend the netting.
Wipe out cap screw or blow it out with com-
pressed air.
Persons handling compressed air must
wear protective goggles. Never direct
the jet at animals, persons or yourself !
Important !
Note the „TOP“ mark on the oil filter. Fig. 39
– Check condition of O-ring „1“ and renew it if
necessary (Fig. 39).
– Wet the thread and the O-ring of the screw
plug with lubricant „K“ (see spare parts list).
– Add engine oil up to the „MAX“ mark on the
dipstick (see Chapter 4.1.1.)
– Run the engine for a short period, then check
the oil level again and top up if necessary.
– Check that there is no leakage past screw plug
on the oil filter housing.
5.3.3. Checking and adjusting
valve clearances
– Move the decompression lever to
position „0“; Fig. 17 and 18.
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– In case of the enclosed design, please remove
the parts of the enclosure in the order 1...4.
The decompression lever is also taken off
when the cover is removed.
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– Unscrew cover „1“ and take off together with
gasket „2“. Never re-use this gasket.
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