7. Performance check, minimum flow
2019-10-23
OI06H-2018 SR 500 EX
14
9.1 Check that the fan unit is
complete, correctly mounted,
thoroughly cleaned and
undamaged.
Connect the hose from the
head top to the fan unit and
turn it about 1/8 of a turn
clockwise.
9.2 Turn the flow meter bag
inside out and the flow meter
appears.
9.3 Place the head top in the
flow meter bag and start the
fan.
Grip the lower part of the bag
in order to seal around the
hose.
Grip around the measuring
tube and hold the tube
vertical.
The ball should now float
level with or just over the 175
l/min marking.
If the minimum flow is not
achieved, check that:
-The flow meter is vertical
-The ball moves freely
-The bag seals well around
the hose
