87
Check the following gaskets and seals:
■
Boiler
–
Lid, ash box
–
Ash removal cover
–
Profiled cover seal
–
Gasket, connection piece, ash box
–
Combustion chamber door
–
Maintenance cover, grate
–
Heat exchanger cover
–
Packing cord of combustion chamber bricks
■
Charging
–
Pellet hopper cover
–
Pellet hopper maintenance cover
Lubricating the drive unit chains and bearings
Service the following moving parts:
■
Ash removal chain set
■
Feed sprocket set
■
Screw conveyor sprocket set
Note
Use commercially available lubricant.
Checking operating states, actuators and sensors
Danger
Touching live components can result in life
threatening injuries. After switching off the
ON/OFF switch on the control unit, there are still
live components inside the control unit enclo-
sure.
■
Isolate the system from the power supply, e.g.
by removing the separate fuse or by means of
a mains isolator, and check that it is no longer
live.
■
Safeguard the system against reconnection.
Danger
Risk of crushing or entanglement due to rotating
and moving parts.
Do not reach in through the maintenance cov-
ers.
Checking operating states, actuators and sensors
■
Switch on the system. Do not start the boiler.
■
Check operating states in the
"Diagnosis"
menu.
■
Check sensors are firmly seated and positioned cor-
rectly. Check the sensor values in the
"Diagnosis"
menu.
■
Switch actuators under
"Actuator test"
and check.
■
Isolate the system from the power supply. Check that
it is no longer live.
Safeguard the system against reconnection.
Note
Operating states, actuators and sensors can be
checked in the
"Service"
menu. See page 113.
Conveying equipment maintenance
Conveying equipment installation and service
instructions
Emissions test
After commissioning, an emissions test must be car-
ried out.
Carry out repeat emissions tests in the manner descri-
bed.
Commissioning, inspection, maintenance
Checking gaskets
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