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180R9265 / IOM APP 16-22 Appendices - v02 / 01.2013
Instruction
Trouble shooting guide for APP pumps
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice.
This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in speci
fi
cations already agreed.
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
Danfoss A/S
High Pressure Pumps
DK-6430 Nordborg
Denmark
Picture 1
If the port plate has scratches, level di
ff
erences or both between the arrows,
the port plate must be replaced.
Even small scratches or wear will cause loss of
fl
ow.
To check: See item 6.1, picture 3
6.2 Port plate
6.3 Swash plate
Picture 1
If the swash plate is polished 360°, it is an indication of insu
ffi
cient
fi
ltration.
The surface of the swash plate must be plane and even at same level all
over. To check this, please see item 6.1, picture 3.
If the surface has any marks/scratches it is worn/damaged and a new one
is required.
Please contact Danfoss sales o
ffi
ce for further information
Scra
tche
s
Leve
l di
ff
eren
ces b
etw
een
dull a
nd s
hinin
g P
EEK