Danfoss PAHT Operation, Installation, And Maintenance Manual page 83

Operation guide
Installation
8.
Impurities
Prior to installation, burrs and chips and
other impurities must be removed from
pipes and hoses, eg with a felt plug
9.
Fittings in screwed components to be
sealed with O-rings or bonded seals
10.
Correctly limited quantities of grease
prevent seizing
© Danfoss | 2023.12
Installation, Operation and Maintenance Manual for PAHT 20-90 pumps
Chips or other impurities in the system
may cause damage
Sealing
Using te on tape or packing yarn in
joints may cause damage
Grease
Too much grease may develop
bio lm causing operational failures
11.
Assembly of coupling
The coupling must be easy and simple
to assemble (see product instruction)
12.
= min. 3 mm
Ensure always to have 3 mm distance
between coupling anges
13.
Water supply
Fill system with water before starting
to ensure lubrication and cooling
180R9288_AQ109686503100en-001301 | 83
Never use force when assembling the
coupling parts, as this will damage the
motor/pump
Coupling
0 mm
Insu cient distance and/or misalign-
ment between the coupling anges
will damage the pump
Starting without water will cause
damage