Checking The Non-Return Valve - REMEHA Gas 120 ACE Series Installation And Service Manual

7 Maintenance
Fig.38 Disconnecting the fan
3
5
1
Fig.39

Checking the non-return valve

8
9
42 Gas 120 ACE
7.2.6
4
2
AD-3001178-01
6
2x
7
AD-3001181-01
Checking the non-return valve
1. Remove the air inlet pipe from the venturi.
2. Unscrew the gland of the gas valve unit.
3. Disconnect the fan plugs (on the front and rear).
4. Remove the screwed-on plug from the gas valve unit.
5. Remove the ignition electrode plug from the ignition transformer.
6. Dismantle the fan.
7. Remove the fan together with the gas valve unit.
8. Inspect the non-return valve and replace it in the event of a defect or
damage, or if the maintenance kit contains a non-return valve.
9. Reassemble in the reverse order.
Caution
Remember to reconnect the fan plug.
Tighten the gland on the gas valve unit with a torque wrench to
the firmness of 27,5 Nm.
Tighten the two fan nuts with a torque wrench to the firmness of
3,8 Nm.
7717202 - v03 - 24062019