Hydraulic System Oil Level Check; Hydraulic System Oil Cooler Fin Cleaning Check; Hydraulic System Filter Check/Replacement - Nilfisk RS 851 Instructions D'origine

HYDRAULIC SYSTEM OIL LEVEL CHECK

CAUTION!
This procedure must be performed with the hopper (6, Fig. G) completely lowered.
1. Engage the parking brake (13, Fig. E).
2. Start the engine as shown in the relevant paragraph.
3. Open the left side upper and lower doors (9 and 11, Fig. G) by disengaging the fasteners (10 and 12) with the supplied key.
4. Check that there are no oil leaks in the upper area of the hydraulic system oil tank.
5. Turn off the engine, by turning the ignition key (24, Fig. D) counterclockwise, to the end of stroke, then remove it.
6. Using the indicator (35, Fig. F), check that the oil level in the tank is between the MIN and MAX marks.
7. If necessary, unscrew the plug (31, Fig. F) and top up. For the types of oil to be used, see the Technical Data chapter.
NOTE
Top up by using the same type of oil that is in the tank.
8. Screw the plug (31).
9. Close the left side upper and lower doors (11 and 9, Fig. G) by engaging the fasteners (10 and 12) with the supplied key.

HYDRAULIC SYSTEM OIL COOLER FIN CLEANING CHECK

WARNING!
Protect body parts (eyes, hair, hands, etc.) properly, when performing cleaning procedures using compressed
air or water gun.
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 right side lower door (34, Fig. G) by disengaging the fastener (35) with the supplied key.
9. Clean the hydraulic system oil cooler fi ns (9, Fig. F) with compressed air (maximum 87.0 psi [6 Bar]). If necessary, point the
compressed air in the opposite direction of the cooling air.
10. Inside the radiator (9, Fig. F), check that the fan turns freely.
11. Perform steps 3 to 8 in the reverse order.

HYDRAULIC SYSTEM FILTER CHECK/REPLACEMENT

1. Turn off the engine, by turning the ignition key (24, Fig. D) counterclockwise, to the end of stroke, then remove it.
2. Engage the parking brake (13, Fig. E).
3. Remove the driver's seat panel (2, Fig. AF) by unscrewing the 5 mounting screws (3).
4. Check that the clogging indicator (4, Fig. AF) is in the green area (5) at the centre mark.
5. If the clogging indicator (4, Fig. AF) is in the red area (6) at the centre line the fi lter element (1) is to be replaced.
6. Remove the element (1) with a suitable tool and pay attention to oil leakages.
7. Replace the fi lter element with an original spare part.
WARNING!
The oil and fi lters should be disposed of properly according to the environmental laws in force.
8. Install the driver's seat panel (2).
USER MANUAL
RS 851 33018305(3)2010-01 A
ENGLISH
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