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Operation and maintenance manual for
Hydrotech Drumfilter HDF501-series
7.5.Gear.motor
Information on the gear motor is found in Appendix F.
7.6.Rubber.sealing
The inlet rubber sealing between the
filter frame and the drum, must be
checked every year for wear and
leakage. The rubber sealing should
tighten against the inside of the drum.
7.7.Backwash.strainer
A backwash strainer can be used to
remove particles in the rinse water.
Cleaning instructions of the backwash
strainer is found in Appendix G.
Figure 7.5
Gear motor
Figure 7.6
Inlet rubber sealing
