HDG M299, Operation Manual

Page: 131 / 176

©
HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en
7 Cleaning and servicing the heating system – Cleaning and maintenance schedule
131
7 Cleaning and servicing the
heating system
G
ENERAL INFORMATION
To ensure fault-free and safe operation, certain cleaning and
maintenance work is necessary. This effort will also help you avoid
expensive repairs, provided you observe the recommended
intervals.
The cleaning and maintenance work can also be performed by an
authorised specialist heating company through a servicing contract.
S
PARE PARTS
7.1 Cleaning and maintenance schedule
Only use genuine HDG spare parts. You can obtain HDG
replacement parts from your specialist heating company.
The specified maintenance intervals are guidelines.
Depending on the quality of the fuel and the power used by the
heating system (more frequent on/off operation) the intervals may
vary.
Interval Component See page ...
after approx. 150 and 1000
operating hours respectively • Lubricating the feeding system 136
after approx. 500 operating
hours • Cleaning the stepping grate
•
Cleaning the combustion chamber
• Check and empty the ash container
137
138
140
after approx. 2000 operating
hours* • Cleaning the cleaning shaft
•
Cleaning the vacuum pressure pipe for the
pressure switches
• Cleaning the vacuum pressure pipe for the
differential pressure transmitters
142
144
145
after approx. 4000 operating
hours* • Cleaning the control unit
• Checking the drive chains
•
Cleaning the ignition fan
• Cleaning and calibrating the lambda sensor
• Cleaning the flue gas temperature sensor
•
Cleaning the flue gas pipe
• Cleaning the pressure equalisation hose
• Cleaning fly ash section
146
146
149
150
151
152
153
154
before every second filling • Inspecting the fuel storage 155
Table 7/1 - Cleaning and maintenance schedule