HATZ Diesel 4H50TIC - Manual (Page 81)

Step Activity
6 Place the air filter cover on the air filter housing and lock all re-
taining clips making sure that the dust discharge valve points
vertically downwards.
Cleaning the primary filter
Step Activity
1 Blow out the primary filter (6) with dry compressed air from the
inside to the outside until dust no longer emerges. Use an air
gun with an extension tube (7) with the end bent by approx. 90°.
The end of the extension tube must not touch the filter paper.
2 Check the sealing surfaces (9) of the filter cartridge for damage.
3 Check the filter cartridge for tears or other damage in the filter
paper by holding it against the light at a slant or shining light
from a lamp (8) through it. In case of doubt, always replace the
primary filter.
NOTE: The primary filter may only be cleaned once, then it must
be replaced.
8.2.15 Changing coolant
Safety notes
CAUTION
Danger of scalding and risk of environmental damage due
to hot coolant.
▪ Excessive coolant is blown off from the sealing cap on the
expansion tank. After topping up the cooling system never
move parts of your body or face close to the sealing cap.
▪ Never top up coolant above the MAX - mark on the expan-
sion tank.
▪ Never stop escaping coolant with your bare hands.
CAUTION
Danger of burns.
There is a danger of burns when working on a hot cooling sys-
tem. The cooling system is pressurized.
▪ Let the engine cool.
▪ Wear safety gloves.
Maintenance 4H50TIC
82 Operator's Manual HATZ