ALP
since 1928
ALP
since 1928
10
6/ MAINTENANCE
6.1 - HOSE CLEANING
The hose cleaning can be done without removing the hose. It can be done with water or with a cleaning liquid
(check compatibility with hose material). With numerous products, it is necessary to clean the hose after every
pumping in order to avoid the hardening of the product inside this one.
CAUTION ! Make sure that the cleaning liquid temperature is adapted to the hose material.
6.2 - HOSE REPLACEMENT
CAUTION !
Before any hose change, check the following points :
a. This service has to be performed by skilled personnel that is acquainted with this manual.
b. Inlet and outlet valves have to be closed to minimize product loss.
c. Always carry clothes and necessary protection according to the pumped product.
d. Respect all security and enviromental rules necessary for the manipulation of the pumped product.
6.2.1 - HOSE REMOVAL FOR ALP09 TO ALP25
1 - Disconnect and remove the suction and discharge
piping.
2 - Place the rotor in the position showed in the fig. so
that only one rollar is pressing the hose.
3 - Disconnect power supply.
4 - Remove cover #2
5 - Loosen the screws of the rollar bracket (2 screws)
and withdraw the bracket so that it doesn’t press the
hose any more. DO NOT loosen the free rollar bracket.
6 - Dismantle collars #14 on both sides.
2
22
21
Pressing rollar
Free rollar
14
CAUTION ! Never run the pump without the cover
and sight glass !
ALP Instruction Manual -2011EE-GB.indd 10
21/07/11 20:49
