Transmission Shaft Bearing Greasing; Belt Tensioning And Replacement; Summary Of The Main Maintenance Operations Of The Mechanical Moving Parts - Nilfisk DC 65GAS Manual De Instrucciones

DC 65GAS / BDC 65GAS

Transmission shaft bearing greasing

Front and side covers
1.
Transmission shaft
2.
Bearings
3.
Grease cups
4.
■ Stop the vacuum cleaner.
■ Remove the covers (1) using the relative fi xing screws.
■ Grease the transmission shaft (2) bearings (3) using the
special grease cups (4).
■ Fit the covers (1) back in place using the relative fi xing
screws.
Use lithium based grease with an NLGI3 consistency.

Belt tensioning and replacement

WARNING!
When replacing the belts, only use genuine spare
parts or spare parts with the same characteristics as
the old ones.
Front and side covers
1.
Belt cover
2.
Belt cover fi xing screw
3.
Engine mounting plate
4.
Plate fi xing nuts
5.
Belt tensioning screw
6.
Engine - transmission shaft belt
7.
Engine - transmission shaft belt tensioning
■ Stop the engine.
■ Remove the covers (1) using the relative fi xing screws.
■ Remove the cover (2) unscrewing the fi xing screws (3)
on both sides;
■ Loosen the engine mounting plate (4) fi xing nuts (5);
■ Change the engine mounting plate position with the
tensioning screw (6) in order to tension the transmission
belt correctly (7); fi nally tighten the fi xing screws and fi t
all the covers back in place.
WARNING!
After about 1 hour of operation, check belt tensioning
again.
C303
Figure 13
[ NOTE ]
Figure 14
Engine - transmission shaft belt replacement
■ Stop the engine.
■ Remove the covers (1) using the relative fi xing screws.
■ Remove the cover (2) unscrewing the fi xing screws (3)
on both sides;
■ Loosen the engine mounting plate (4) fi xing nuts (5);
■ Loosen the belt (7) using the tensioning screw (6), then
remove the belt and replace it with one with the same
characteristics;
■ Tension the belt, then tighten the fi xing screws and fi t all
the covers back in place.
Front and side covers
1.
Turbine fi xing nuts
2.
Turbine
3.
Transmission belt
4.
Transmission shaft - turbine belt tensioning
■ Stop the engine.
■ Remove the covers (1) using the relative fi xing screws.
■ Loosen the turbine fi xing nuts (2);
■ Move the turbine (3) in order to tension the belt (4) again
and tighten the fi xing nuts (2);
■ Fit the covers (1) back in place using the relative fi xing
screws.
Transmission shaft - turbine belt replacement
■ Stop the engine.
■ Remove the covers (1) using the relative fi xing screws.
■ Loosen the turbine fi xing nuts (2);
■ Move the turbine (3) in order to loosen the belt (4), then
remove the belt and replace it with one with the same
characteristics;
■ Move the turbine (3) in order to tension the belt (4) again
and tighten the fi xing nuts (2);
■ Fit the covers (1) back in place using the relative fi xing
screws.
Summary of the main maintenance
operations of the mechanical moving parts
Item
Bearing greasing
Engine belt tensioning
Turbine belt tensioning
8
Figure 15
Periodic service
interval months or
50 hours
Every 3
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07/2007