Operating instructions DPK 6207…
© BA_DPK_EN_Rev06-2010.docx Page 14 of 18
8 Troubleshooting
Valve does not open or shut
fully
Encrustations of product on inside
Foreign bodies
Load-limiting device on rocker
arm has tripped
Plate cam or roller is heavily worn
Cleaning
Remove foreign bodies
Reset rocker arm (see piont
5.2)
Check; replace defective parts
Loose screws (e.g. on safety
covers)
Plate cam or roller is heavily worn
Shaft bearings defective
Gear motor defective
Check and secure loose screws
Check; replace defective parts
Repair
Check and repair
Valve stationary/not working
Drive or power supply and
controller defective
Tighten or replace gasket
Pulse generator not issuing any
signals
Pulse generator defective
Pulse generator incorrectly
adjusted
End positions are not reached
Replace
Check and set
Reset rocker arm (see piont
5.2)
9 Cleaning
You must not use any cleaners containing acids or lyes, or solvents. Use a wire brush for heavier volumes of
dirt and commercially available cleaners where necessary. Make sure that these are not toxic and cannot
contribute to any toxic compounds. Ensure that they do not contain acids or lyes. Rinse with plenty of drinking
water afterwards.
10 Disposal
Waste oil and lubricants are classified as special waste. Please dispose of them in an environmentally friendly
manner.
Observe the safety and instructions in the same way during disassembly.
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