Pompa ad ingranaggi - Serie GS, GK
Gear pump - GS, GK Series
44
- In case externally flowed mechanical seals are used, disconnect the relevant pipes.
- Cut the power supply to the motor and disconnect the earth cable.
- Disconnect the pump from the motor, leaving the bellhousing connected to the pump.
- As an alternative, disassemble the coupling guard and disconnect the pump from the mo-
tor and from the baseplate.
- If necessary, pay particular attention to the effects of the magnetic pull force; in par-
ticular pay attention to your fingers (always wear safety gloves) and not to damage
magnets by accidental shocks. We recommend to use tools in non-magnetic mate-
rial
- Place a collecting basin for the pump liquid.
- Perform the maintenance operation.
- Carry out the pump with bellhousing-motor coupling carefully.
- As an alternative carefully align pump with motor on the baseplate, fasten the pump, cou-
ple it with the motor and fasten the coupling guard.
- Connect the pump to suction and discharge pipes.
- Reconnect the power supply to the motor and the earth cable.
- Open suction and discharge pipe valves, if any.
- Reconnect the power supply to the pump unit.
6.2
WEARABLE MATERIALS
The normal wear parts, included as spares in the 2-year warranty are the following:
- bearing bushes;
- seal parts (mechanical seal, gaskets);
- gears;
- shafts.
6.3
SURVEILLANCE DURING OPERATION
The pump unit does not need the presence of an Operator during the work cycle. It is up to
the User to provide or not a periodic surveillance depending on the importance and serious-
ness of the operation. The relevant checks shall be aimed to detect abnormal noise, vibra-
tion, temperature levels and/or some dripping from the mechanical seals, variations of pres-
sure and/or flow rate, etc.
6.4
PREVENTIVE MAINTENANCE
It is always advisable, for a reliable and cost-effective operation, to adopt a policy of preven-
tive maintenance. The service time specified for wearable component parts in this manual
can be used as reference for the first period of operation. Later the user will be able to im-
prove the MTBM (Mean Time Between Maintenance) as a result of the acquired experience.
6.5
PUMP DISASSEMBLY AND REASSEMBLY
6.5.1
Tools
No special tools are requested, except for seal extractors.
6.5.2
Disassembly/reassembly procedure
Before disassembling the pump, it is necessary to perform the operations mentioned at point
6.1 "MAINTENANCE AND INSPECTION".
Refer to the drawings and nomenclature attached at the end of the manual.
Summary of Contents for GS Series
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