Nilfisk-ALTO RS 850 - Manual (Page 152)

ENGLISH USER MANUAL
38 33014576(4)2008-02 A RS 850
ENGINE OIL FILTER REPLACEMENT
NOTE
This procedure must be performed when the engine oil has been drained.
Empty the hopper (7, Fig. G); if it contains a small quantity of waste, it is not necessary to dump it.
Drive the machine on a solid and level ground, then engage the parking brake (13, Fig. E).
Lift the hopper (7, Fig. G), according to the procedure shown in the relevant paragraph.
Turn the ignition key (24, Fig. D) to OFF position and remove it.
To avoid that the hopper lowers by accident, install the lifted hopper support rods (3, Fig. F), according to the instructions
shown on the relevant paragraph.
Close the left and right side upper lids (9 and 28, Fig. G) by engaging the fasteners (10) and (29) with the supplied key.
Remove the screws, then remove the engine compartment panel (11, Fig. F).
Open the left side lower lid (11, Fig. G) by disengaging the fastener (12) with the supplied key.
Replace the oil fi lter as shown in the Diesel Engine Manual.
Perform steps 3 to 8 in the reverse order.
ENGINE AIR PRE-FILTER AND FILTER CLEANING
WARNING!
Protect body parts (eyes, hair, hands, etc.) properly, when performing cleaning procedures using compressed
air or water gun.
Preliminary operations
Engage the parking brake (13, Fig. E).
Turn the ignition key (24, Fig. D) to OFF position and remove it.
Pre-fi lter cleaning
With a suitable ladder, reach the engine air pre-fi lter (39, Fig. F).
Remove the screw (1, Fig. AM2).
Remove the cover (2) and pre-fi lter (3).
Clean and wash the cover (2) and pre-fi lter (3).
Reinstall the pre-fi lter (3) and cover (2), then tighten the screw (1).
Filter cleaning
Operating over the left side of the rear axle, release the side fasteners (1, Fig. AM1) and remove the air fi lter cover (2).
Remove the air fi lter (3).
With compressed air (maximum 87.0 psi [6 Bar]), clean the air fi lter (3) carefully, blowing from the inside to the outside (in the
opposite direction of the suction fl ow). If necessary, replace the air fi lter.
Install the air fi lter (3, Fig. AM1) in the relevant housing.
Reinstall the cover (2, Fig. AM1) by engaging it to the side fasteners (1).
ENGINE RADIATOR FIN CLEANING CHECK
Empty the hopper (7, Fig. G); if it contains a small quantity of waste, it is not necessary to dump it.
Drive the machine on a solid and level ground, then engage the parking brake (13, Fig. E).
Lift the hopper (7, Fig. G), according to the procedure shown in the relevant paragraph.
Turn the ignition key (24, Fig. D) to OFF position and remove it.
To avoid that the hopper lowers by accident, install the lifted hopper support rods (3, Fig. F), according to the instructions
shown on the relevant paragraph.
Close the left and right side upper lids (9 and 28, Fig. G) by engaging the fasteners (10) and (29) with the supplied key.
Remove the screws, then remove the engine compartment panel (11, Fig. F).
Open the left side lower lid (11, Fig. G) by disengaging the fastener (12) with the supplied key.
Check the radiator fi n cleaning as shown in the diesel engine Manual.
Perform steps 3 to 8 in the reverse order.
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