Nilfisk-Advance SW900, Service Manual

Page: 87 / 137

Petrol Engine System 87 Service Manual – SW900
Maintenance and Adjustments
Engine RPM Check and Adjustment
Check
1 Drive the machine on a level floor and ensure
that it cannot move
2 Turn the ignition key to “0”
3 Remove the rear grid (A) after removing the
upper mounting screw (B) and disengaging the
fasteners
4 Apply on the engine pulley (C) an adhesive
indicator (D) for counting the engine speed
5 Turn the ignition key to “I” and start the petrol
engine (as shown in the User Manual); wait 5 -
10 minutes that the engine reaches the target
speed
6 Point a revolution counter on the adhesive
indicator (D) of the engine pulley (C), then detect
the engine speed, which must be 3,000 ± 50 rpm.
If necessary, adjust the engine speed as shown
below
Adjustment
7 Turn the ignition key to “0”
8 Remove the hopper by using its transport handle
and wheels
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