Gas Sampling Probe H: Replacing Membrane Pump Membranes - ABB SCK Operating Instructions Manual

Gas sampling probe H: Replacing membrane pump membranes

Maintenance interval
Safety
measures
Tools required
Requirements
Instructions
OI/SCK-EN Rev. E
 twice yearly
Always take the following safety measures when performing this work:
 Wear the general protective equipment.
 Turn the service switch to
authorized switching (with a padlock).
 Additionally press the EMERGENCY STOP switch.
 Do not enter the danger area around the retractor until it is at standstill
and the warning lamps and buzzer are off and the flap valve is closed.
 Do not perform the work until the gas sampling system has cooled
down.
Explanation of safety measures:
page 158.
 Control cabinet key to open the control cabinet
The following conditions must be met:
 The service switch is in the
ed from the kiln (see
 The EMERGENCY STOP switch is pressed.
Perform the following steps to replace the structural diaphragm of the pre-
-M71
suction pump :
Step
1
Open the control cabinet.
2
Power off pump at the circuit breaker
3
Clean outside of pump housing.
4
Unscrew the four screws to open the pump housing.
5
Detach the pump tubes, remove the pump
externally.
Operating instruction SCK Gas Sampling System
ON
and secure the service switch against un-
Safety regulations for maintenance work on
ON
position, the gas sampling probe is retract-
Operating the service switch
Procedure
on page 161).
-F34
.
-M71
and clean it
181