HATZ Diesel 2G40 H - Manual (Page 22)

Adjusting:
– Measure valve clearance with 0.10 mm feeler
gauge „5“ (fig. 27, chapt. 3.1.).
– If adjustment is necessary, slacken off hex nut
„6“, turn adjusting screw „7“ and retighten nut
„6“. It should then be possible to pull feeler
gauge „5“ through with just perceptible resist-
ance to movement (fig. 27).
– Replace the cover in position and tighten it
down uniformly.
– Run the engine briefly to check that there are
no leaks at the cover.
5.3.4. Clean the cooling air system
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– Take off all air guides.
If dirt deposits are dry:
– Clean all air guides and the entire cooling air
system including cylinder heads, cylinders and
flywheel blades without making them wet, and
blow them through with compressed air.
Persons handling compressed air must
wear protective goggles. Never direct
the jet to animals, persons or yourself !
If dirt deposits are damp or oily:
– Disconnect the battery.
– Apply a detergent solution (cold cleaner or
similar) to the entire system in accordance
with the manufacturer's instructions, then
spray off with a powerful water jet.
Do not splash electrical device with water jet
or pressure jet during engine cleaning.
– Establish the cause of contamination with oil
and have any leaks repaired.
Re-attach all air guides.
The engine must never be run without
the air guides.
– Run the engine immediately after re-assembly
until it is warm; this will prevent rust from
forming.
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