Engine Oil Change; Engine Oil Filter Replacement; Engine Air Filter Cleaning/Replacement - Nilfisk RS 851 Instructions D'origine

ENGLISH

ENGINE OIL CHANGE

1. Empty the hopper (7, Fig. G); if it contains a small quantity of waste, it is not necessary to dump it.
2. Drive the machine on a solid and level ground, then engage the parking brake (13, Fig. E).
3. Lift the hopper (7, Fig. G), according to the procedure shown in the relevant paragraph.
4. Turn the ignition key (24, Fig. D) to OFF position and remove it.
5. 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.
6. Close the left and right side upper doors (9 and 28, Fig. G) by engaging the fasteners (10) and (29) with the supplied key.
7. Remove the screws, then remove the engine compartment panel (11, Fig. F).
8. Open the left side lower door (11, Fig. G) by disengaging the fastener (12) with the supplied key.
9. Change the oil as shown in the diesel engine Manual.
10. Perform steps 3 to 8 in the reverse order.

ENGINE OIL FILTER REPLACEMENT

NOTE
This procedure must be performed when the engine oil has been drained.
1. Empty the hopper (7, Fig. G); if it contains a small quantity of waste, it is not necessary to dump it.
2. Drive the machine on a solid and level ground, then engage the parking brake (13, Fig. E).
3. Lift the hopper (7, Fig. G), according to the procedure shown in the relevant paragraph.
4. Turn the ignition key (24, Fig. D) to OFF position and remove it.
5. 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.
6. Close the left and right side upper doors (9 and 28, Fig. G) by engaging the fasteners (10) and (29) with the supplied key.
7. Remove the screws, then remove the engine compartment panel (11, Fig. F).
8. Open the left side lower door (11, Fig. G) by disengaging the fastener (12) with the supplied key.
9. Replace the oil fi lter as shown in the Diesel Engine Manual.
10. Perform steps 3 to 8 in the reverse order.
CAUTION!
When replacing the engine oil fi lter, it is recommended to change the engine oil as shown in the relevant
paragraph.

ENGINE AIR FILTER CLEANING/REPLACEMENT

WARNING!
Protect body parts (eyes, hair, hands, etc.) properly, when performing cleaning procedures using compressed
air or water gun.
Preliminary operations
1. Lift the hopper and engage the support rods as shown in the relevant paragraph.
2. Engage the parking brake (13, Fig. E).
3. Turn off the engine, by turning the ignition key (24, Fig. D) counterclockwise, to the end of stroke, then remove it.
4. Remove the engine case (11, Fig. F) by unscrewing the two mounting knobs (40).
Filter cleaning/replacement
5. Remove the 4 side fasteners (1, Fig. AR) on the left side of the machine and remove the cover (2).
6. Remove the plastic frame with the fi lter element (3, Fig. AR).
7. Remove the fi lter element (4, Fig. AR) from the plastic frame (5) and dispose of it properly according to the environmental laws
in force.
8. Remove the secondary fi lter element (6, Fig. AR) by pulling the built-in handles.
9. With compressed air (maximum 87.0 psi [6 Bar]), clean the fi lter elements (4) and (6) carefully, blowing from the inside to the
outside (in the opposite direction of the suction fl ow).
10. If necessary, replace the fi lter elements and dispose of them properly according to the environmental laws in force.
11. Install the fi lter elements (4) and (6) by performing steps 5, 6, 7 and 8 in the reverse order.
12. When the cyclone block (7, Fig. AR) is to be cleaned, remove the mounting screw (8) from the threaded insert (9) and then
remove the cyclone block (7) from its housing (10).
13. Clean the cyclone block (7) with compressed air or water.
14. Install the cyclone block (7).
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USER MANUAL
33018305(3)2010-01 A RS 851