GÖLZ FB 20 P, Original Operating Instructions And Spare Parts List, Page: 10 / 24

FB 20 P
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5006194-00
BA-E
7. Servicing and care
7.1 Daily care
Ensure that no water escapes from the overflow hole. This will cause gear damage and may reduce the electrical
safety of the machine. In this case please contact an authorised service centre.
Inspection the machine for signs of damage to the switch, mains lead or plug connector.
After completing the drilling work clean the machine. Grease the core bit mounting thread. The ventilation slits
must be kept clean and open at all times. Ensure that no water gets into the machine whilst you are cleaning it.
To ensure that the sealing function is maintained, oil the drill spindle:
•
Disconnect the machine from the water supply. Open the water connection shut-off cock and insert a
drop of oil, close the shut-off cock, place a few drops of oil into the overflow hole and turn the machine
briefly by hand.
7.2 After approx. 150 hours of use
After the first 150 hours of use, the gearbox oil must be changed.
7.3 After approx. 250 hours of use
Have the carbon brushes checked, and replaced if necessary, by an electrician.
Remove the screws. Pull the cap off the motor casing. Remove the carbon brushes screws, raise the carbon
brushes retaining springs and take out the carbon brushes. Clean the carbon brush holder and collector with a
paintbrush.
Fit new carbon brushes following the above instructions in reverse. Position the cap and secure it with the
screws. Fit the cap on the motor casing by tapping it gently with a rubber mallet or the like. Tighten the screws.
Release the stress by tapping the cap twice. Avoid adjusting the carbon retaining springs. Only use original spare
parts.
7.4 Quarterly
Have the cable, switch and plugs inspected by an expert (pursuant to VBG4) and document the process.
Replacing the gearbox oil will considerably extend the service life of the gear.
Before starting any servicing or repair work always disconnect the mains plug.
After all repairs you must have the core drilling machine inspected by an electrician
(statutory regulation pursuant to VBG4 since 1.1.1990).