Danfoss PAH 20

Validity This document is covering the pumps PAH, PAHT
PAHT C, PAHT G, PAHT 674 and PAH F for both
non ATEX and ATEX certied. PAHT and PAH F
pumps are not TEAX certied.
Guideline Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps
60
180R9380 | AQ213286502970en-000701 | IOM PAH 20-100 pumps | 11.2021
Table of Contents Table of Contents
Trouble shooting sh bone chart .......................................................61
1. No ow/no pressure....................................................................62
2. Reduced ow/reduced pressure ........................................................63
3. High torque on electric motor ..........................................................64
4. Noise from pump ......................................................................65
5. Noise from installation .................................................................66
6. Typical signs of wear ...................................................................67
6.1 Valve plate.............................................................................67
6.2 Port plate ..............................................................................68
6.3 Swash plate............................................................................68