Service & Maintenance

ZAG Service & Maintenance

• Leakage test of all screw connections and flanges on the steam generator and economiser
• Cleaning the strainer in front of the boiler pump
• Check and clean the boiler measuring line
• Operational testing of all valves, ball valves and check valves of the boiler components
• Functional test of the boiler safety devices
• Visual inspection of the combustion/flame chamber if possible
• Testing the water level control on the steam generator
• Cleaning the boiler float
• Checking and cleaning the water level control on the feed water vessel
• Testing and documentation of water values
• Feed water hardness
• Oxygen content
• PH value
• conductivity
• Function check of the dosing pump
• Preparation of a test report

Weekly maintenance

• At least every three days (72 hours)
• Check the steam system for leaks, abnormal noises, odors, or other unusual occurrences.
• Check the boiler feed water.
• Document the water values and take countermeasures if necessary.
• Check whether there is sufficient dosing agent and salt in the water softener.
• Drain the steam generator regularly.
• Mud the water level indicator

Monthly maintenance

• Clean all dirt traps.
• Clean the water level indicator float.
• During operation, check the steam plume escaping from the vent line of the feedwater vessel.
• Briefly operate all manual valves and check that they operate smoothly.
• Clean the feed water vessel floats.
• Check the exhaust temperature limiter.
• Check emptying of the feed water vessel.
• Empty the blowdown tank
• Check the function of the pressure limiter.
• Check the function of the steam temperature limiter.
• Check the exhaust temperature limiter.

Preparation, implementation and support of SVTI examinations

Evaluation of a condensate drain test