4. Screw off screws in the motor mounting flange and lift the motor away.
5. Screw off the fan wheel fixing screw and fixing sleeve.
6. Pull out the fan wheel from motor shaft using an extractor.
7. Loosen the wedge and base bushing.
To mount motor and fan wheel:
1. Place base bushing.
2. Set the wedge into the shaft slot.
3. Pull the fan wheel to its place using a binder plug. The fan wheel lies against base
bushing.
4. Place the fixing sleeve.
5. Screw down the fan wheel with a fixing screw to the motor shaft.
6. Place the motor and attach screws.
7. Connect the electrical cable to the motor.
8. Connect the burner to the mains. Check motor rotation direction.
6.4 Dismounting and changing servomotors
To disconnect cables:
1. Switch off the power from the burner by turning the control switch.
2. Detach the connector from the burner control’s side.
Connect in reverse order.
Servomotor of gas butterfly valve DMK-Q
D041453 ver. 1
M5178 1647EN
109 (129)
Summary of Contents for GKP-350 M
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