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Instruction manual
SERVICE AND MAINTENANCE
822/834
Air lter
Change the air lter in accordance with the interval in chapter 3.7
on page 42.
If the machine is exposed to excessive wear, inspect the air lter
sooner and replace when necessary.
1. Loosen the clasps (1) and remove the lter.
2. Replace/clean the lter.
3. Reassemble all parts.
Hydraulic oil lter
Loosen the hydraulic lter (2) by turning it anticlockwise.
Lubricate the gasket ring with hydraulic oil.
Screw back the new lter.
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WARNING! Never open the expansion vessel when the
engine is warm or when the engine is running – risk
ofhigh pressure. The coolant in awarm machine can
beextremely hot. Risk of injuries from burns.
Coolant
Coolant replacement must always be carried out by authorised
personnel. See the engine instruction manual. Please note that
dierent types of coolant are used in the standard and eco models.
(See chapter 3.7 Oils and lters)
Open the cover of the expansion vessel (3). Fill to 3 cm from the
top edge. Close the cover. Please note that at the normal operating
temperature, if coolant is overlled, the liquid can leak out from
the drain hose (4). This is not hazardous for the machine. When
replacing the coolant (only authorised personnel permitted to do
this) on cab models, air bleeding of the heating package may be
required. This is done via aventing hose in the roof. See the picture
on page 18, item (17).
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