Extraordinary Maintenance - Nilfisk SWEEPER SR 1450 B-D Manuel D'utilisation

USER MANUAL
Parking brake adjustment
– Loosen or pull the nut (1, Fig. M) avoiding to move the
cable end.
– Adjusting the cable tension, make sure the brake is not
locked.
Engine air cleaner replacement (SR 1450 D)
– Release the hook by means of the tab (1, Fig. N) and
remove the cover.
– Remove and replace the filter element (1, Fig. O).
– Reinstall the cover and hook it.
Gear pump hydraulic oil filter replacement
– Remove the tank cover (1, Fig. P).
– Empty the tank by means of a pump.
– Unscrew the filters (1, Fig. Q) from their seats inside the
tank.
– Screw the new filters into place using the appropriate
wrench and reinstall the tank cover.
– Screw the drain plug.
– Check the oil level and top it up if necessary.
WARNING!
Do not pollute the environment with used oils
and filters.
Variable delivery pump hydraulic oil filter
replacement
Unscrew the filter (1, Fig. R) and place it in a container for
special waste. Replace it with an original filter.
WARNING!
Do not pollute the environment with used oils
and filters.

EXTRAORDINARY MAINTENANCE

WARNING!
Any maintenance operation should be carried
out with the machine off.
Wait for all the parts to stop and cool down.
For the engine maintenance, please follow the instructions
provided in the Use and Maintenance Manual concerning the
engine installed on the sweeper. This manual comes in a
special case.
Right side seal replacement
– Remove the mounting screws (1, Fig. S) and the seal
holder (2).
– Fit the new seal with the seal holder, so that the seal
slightly touches the ground.
– Tighten the mounting screws.
Left side seal replacement
– Unscrew the engine pipes (1, Fig. T).
– Unscrew the main broom arm (2, Fig. T).
– Remove the mounting screws (3, Fig. T) and the seal
holder (4).
– Fit the new seal with the seal holder, so that the seal
slightly touches the ground.
– Tighten the mounting screws.
18
Main broom replacement
– Remove the mounting screws and the seal holder.
– Remove the right side lid screw.
– Remove the right side lid.
– Move the seal sideways.
– Remove the split pin (1, Fig. U).
– Remove the support (2, Fig. U).
– Remove the broom (3, Fig. U).
– Install the new broom (3, Fig. U).
– Install the support (2, Fig. U).
– Reinstall the split pin (1, Fig. U).
– Reinstall the seal and the seal holder.
– Close the lid.
Main broom (print on ground) adjustment
If the main broom is left rotating for a few minutes when the
machine is stationary, the print left on the ground is useful to
adjust the broom itself.
– If the print size is less then 40 mm or more than 100 mm,
adjust the spring pressure with the mounting screw (1,
Fig. V).
Side broom replacement
– Unscrew the mounting screw (1, Fig. W) and remove the
broom.
– Unscrew the support mounting screws.
– Replace the broom and reinstall the mounting screws.
– Secure the broom to the motor.
Side broom adjustment
– Adjust the broom pressure with the setscrew (1, Fig. X).
Rear seal replacement
– The seal should touch the ground lightly and evenly.
– To replace the seal, remove the mounting nuts (1, Fig.
Y).
– Remove the seal holder.
– Replace the seal and reinstall.
Closed pocket filter replacement
– Open the hopper hood (1, Fig. Z).
– Unscrew the cover (1, Fig. AA) screws.
– Remove the cover (1, Fig. AB).
– Remove the mounting bars by unscrewing the screws
(1, Fig. AC).
– Remove the filter (1, Fig. AD).
– Disconnect the filter shaker cable (1, Fig. AE).
– Replace the filter.
– Reconnect the filter shaker.
– Reinstall the filter (1, Fig. AD) in the hopper.
– Reinstall the mounting bars.
– Tighten the mounting screws (1, Fig. AC).
– Reinstall the cover (1, Fig. AB).
– When installing the filter, make sure that the cover
gasket is air-tight and that the filter is positioned
correctly.
Machine releasing
To tow the machine, release the hydrostatic transmission by
turning the screw (1, Fig. AF) counterclockwise.
33014811(1)2005-07 A