Danfoss APP series User Manual

33
180R9265 / IOM APP 16-22 Appendices - v02 / 01.2013
Instruction Recommended service intervals for APP pumps
3. Appendix 1 Pistons:
The pistons are the heart of the pump regarding
service.
If the pistons break down, the pump will suer a
breakdown.
In case of doubt - the pistons must be replaced.
The pictures below is ment as a guideline for
evaluating the wear of the sliding surface.
Cavitation of the piston shoes.
New inspection is required in 3,000-4,000 hours.
Cavitation of the piston shoes.
All pistons must be replaced within the next
500-1,000 hours.
Cavitation of the piston shoes.
All pistons must be replaced within the next
100-200 hours.
Cavitation of the piston shoes.
All pistons must be replaced immediately.
Abrasive wear of the piston shoes.
All pistons must be replaced immediately.

Danfoss APP series Specifications

General

Brand	Danfoss
Model	APP series
Category	Water Pump
Language	English