PONNDORF P delta 15, Руководство по эксплуатации

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PONNDORF Gerätetechnik GmbH
Leipziger Strasse 374
D - 34123 Kassel
Operation Manual
Hose Pump Series
P_delta / PD-S
Page 27 of 29
Version 003_GB / 04.2021
7.9 Troubleshooting
Always disconnect the pump in cause of fault!
Malfunction Possible cause Remedy
No
suct
ion
No
pu
mp
ing
L
o
w
f
low
r
ate
L
o
w
ho
se
life
Hig
h
pu
mp
t
emp
er
atu
re
P
u
mp
do
es
no
t st
ar
t
Hig
h
pip
e wo
rk
vibr
atin
g
X X X Maximum suction height exceeded Check suction height
X X X
Leaking of suction line
Check suction line and
connections
X X Blocked pressure line Check pressure line
X
Blocked pressure line Check pressure line
X X
Wear of rollers / inserts Replace
X X Insufficient / no grease on hose
→ 7. Maintenance/Service
X X Medium temperature too high Note permissible temperature
X
Incorrect hose installation
→ 6.4 Installing the pump hose
X High pump speed
Determine max. flow rate to the
medium
X X
High viscosity of medium
Determine max. flow rate to the
medium
X
Undersized suction and pressure line Calculate pressure loss
X
Geometry of suction and pressure
line
e.g. do not use a 90° angle
X
Hose material not suitable for
medium
Consult the manufacuterer
X Sharp-edged particles in the medium Provide suction filter
X
Sedimentation of medium on
pressure side
Check pressure line
X Motor protection started Check
X
Insufficient fastening Check
X
Pulsation too high Use pulsation damper
X
No uncoupling of pump to the pipe
system
Use compensator