Switching Off And Storage; Precautions Against Freezing; Maintenance; Routine Maintenance - UDOR VY Series Use And Maintenance Manual

PSI).
- Let the pump run in these conditions for a couple of minutes, checking that the pipes, connections and components
of the system are in perfect working conditions and making sure there are no leaks or drips of water.
- At the end of this settling-in and inspection cycle, the system can be taken to the required pressure, without ever
exceeding the maximum pressure written on the nameplate of the pump itself.

8.4 SWITCHING OFF AND STORAGE

Switching off:
1. Let the system work for a couple of minutes, setting the pressure regulator valve at "0".
2. Stop the Pump drive.
3. Switch the booster pump off or close the pressurized supply line.
If stored away or not used for a long period of time, follow the instructions given in points 1, 2 and 3, then:
4. Disconnect the supply pipe from the inlet port of the Pump, letting all the water in the Pump's head drain out.
5. Disconnect the delivery pipe from the outlet port of the Pump and also the pipe or pipes of the "Cooling System".
6. Start the Pump drive and switch it off after 5 seconds so that all the water left inside the pump is expelled.
7. Put some grease on the threads of the Pump where there are no longer any pipes connected.
Do not wash the Pump externally: water could get into the Pump crankcase, for example through the oil
vented plug
.
After switching off, the Pump could remain very hot for some time
Do not throw the liquid used to wash the Pump outdoors but observe current standards

8.5 PRECAUTIONS AGAINST FREEZING

If shutdown during winter or in the case of places and seasons subject to frost, once the Pump has finished working,
run it for the time required to Pump an emulsion of 50% of clean water and 50% of antifreeze fluid through it in order
to prevent freezing and damage to the Pump.
The Pump must not be used to Pump antifreeze fluid that is not mixed with water.
In the presence of ice or very cold temperatures at the workplace, the Pump must never be started,
otherwise the Pump could be seriously damaged. To start the system, the whole circuit must be completely
defrosted
.

9. MAINTENANCE

- Maintenance operations must be carried out by qualified and authorized personnel.
- Use appropriate tools to disassemble and assemble the various components of the pump. Each tool
must be specific for the individual job to be done. The use of unsuitable tools could damage the pump
irreparably.

9.1 ROUTINE MAINTENANCE

If the Pump is used for light-duty purposes, the following routine maintenance jobs are advised:
- After the first 50 hours of use and every 250 hours: Check the torque setting of the blind locking nuts of the head
(see paragraph 13).
- Every 500 hours: Check or replace water packing seals
- Every 1000 hours: Check or replace the valves.
For heavy-duty purposes, carry out the maintenance jobs more often.
9.2 MAINTENANCE GUIDE
See Chapter 16.

9.3 LUBRICATION

The Pump comes supplied with the correct amount of lubrication oil which, in the case of pump series VY, is 3.4 Kg
(7.5 Lbs.) - 3.8 L. (1.0 Gal.)
Check the oil level inside the pump daily via the clear level indicator on the rear cover or via the level rod of the oil
vent cap.
The following oil changes are recommended:
- After the first 50 hours of use.
- Every 500 hours of use.
- In any case, the oil has to be changed once a year.
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