Danfoss PAH Series Service Guide

Service guide | Disassembling and assembling PAH 50-100
7
180R9098 | 521B1072 | DKCFN.PI.011.NC5.02 | 06.2017
2. Hold a ruler against the surface of the
plates and check the tightness against a
light source.
1. Neither port plate nor thrust plate must
show any sign of wear.
3. Check that both O-rings and back-up rings
are not broken and do not show severe
wear.
2. Inspection 2.1. Port plate and thrust plate
3. Hold a ruler against the surfaces of the
piston shoes to check that the surfaces
are even and smooth and without any
scratches.
4. It is acceptable that the (black) treated
surfaces of the pistons are partly worn.
1. The play in the ball and socket joint must
not exceed 0.1 mm.
2. The thickness of the piston shoes must be
at least 4.3 mm.
2.2. Pistons

Danfoss PAH Series Specifications

General

Brand	Danfoss
Model	PAH Series
Category	Water Pump
Language	English