13. Service
DANGER
Electric shock
Death or serious personal injury
‐ Before starting any work at the pump, switch off the
power supply. Make sure that the power supply
cannot be switched on accidentally.
‐ Be aware that capacitors will be live up to 30
seconds after the power supply has been switched
off.
DANGER
Electric shock
Death or serious personal injury
‐ Before dismantling the complete pump set, switch off
the power supply at least 5 minutes prior to
commencing work and ensure that it cannot be
switched on again unintentionally.
DANGER
Electric shock
Death or serious personal injury
‐ When running in reverse, the pump acts as a
generator and creates hazardous induction voltage
at the motor terminals.
‐ Prevent the fluid from flowing back by closing the
shut-off valves.
WARNING
Strong magnetic field in the rotor area
Danger of death for persons with pacemaker.
‐ Keep a safety distance of at least 0.3 m during
disassembly.
WARNING
Toxic material
Death or serious personal injury
‐ Decontaminate pumps which handle fluids posing a
health hazard.
CAUTION
Hot surface
Minor or moderate personal injury
‐ Before starting to work on the pump, let the pump
casing cool down to ambient temperature.
All service work must be carried out by an instructed
service technician.
Before dismantling the pump, drain the system, or close
the isolating valves on either side of the pump.
Maintaining the product
UPM3 pumps are maintenance-free. However, it might be
necessary to deblock or to open the pump, for example, if
it is blocked by impurities.
Deblocking is possible by opening the deblocking screw at
the front.
1. Unscrew the deblocking screw at the front of the
pump head.
CAUTION
Pressurised system
Minor or moderate personal injury
‐ Be aware of splashing hot water.
2. Deblock the pump with a screwdriver.
Cleaning
If the impeller or pump housing has to be cleaned from
impurities, proceed as follows:
1. Drain the system or close the isolating valves.
CAUTION
Pressurised system
Minor or moderate personal injury
‐ Be aware of splashing hot water.
1. Remove the screws that hold the pump head.
2. Check impeller and pump housing and remove the
impurities.
3. Place the pump head in the desired position, fit the
screws and tighten the screws securely.
UPM3
13
56
Service
To Next Page
Loading...
Need help?
General
