Validity
This document is covering the pumps PAH, PAHT
PAHT C, PAHT G for both non ATEX and ATEX
certied. PAHT pumps are not ATEX certied.
Guideline Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G pumps
60
180R9379 | AQ188686503004en-000801 | PAH 2-12.5 } 07.2022
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
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