General Pump LK Owner Manual - Manual (Page 18)

GENERAL PUMP
A member of the Interpump Group
LK SERIES
Page 18
12. STOPPING THE PUMP FOR LONG PERIODS
12.1 Filling the Pump With An Anti-Corrosion Emulsion or Anti-freeze By Using An External Diaphragm Pump
As In The Layout Shown in Paragraph 9.6.
a) Close the filter draining, if open.
b) Be sure that the connecting hose is clean, spread with grease and connect it to the high pressure
outlet port.
c) Connect the inlet hose to the diaphragm pump. Open the inlet connection of the pump and connect
the hose between this and the diaphragm pump.
d) Fill the container with the solution/emulsion.
e) Put the free ends of the high pressure inlet line and the outlet hose inside the container.
f) Start up the diaphragm pump.
g) Pump the emulsion until it comes out of the high pressure outlet hose.
h) Continue pumping for at least another minute; if needed, the emulsion can be reinforced by adding,
for example, Shell Donax
i) Stop the pump, remove the hose from the inlet connection and close it with a plug.
j) Remove the hose from the high pressure outlet port. Clean, grease and plug both connections and the
hoses.
12.2 Hoses
a) Before greasing and protecting the hoses according to the previously described procedure, dry the
connections using compressed air.
b) Cover with polyethylene.
c) Do not wrap them too tightly; be sure there is no bending.
13. PRECAUTIONS AGAINST FREEZING
In areas and periods of the year where there is risk of freezing, follow the instructions indicated in Chapter 12
(see paragraph 12.1).
In the presence of ice, in no case must the pump be started until the entire circuit has been completely
thawed out; not complying with this indication may cause serious damage to the pump.
14. WARRANTY TERMS
The warranty period and conditions are contained in the purchase contract. The warranty is void if:
a) The pump has been used for purposes that differ from that agreed.
b) The pump has been fit with an electric or diesel engine with performance greater than that indicated
in the table.
c) The required safety devices are unset or disconnected.
d) The pump was used with accessories or spare parts not supplied by General Pump.
e) Damage was caused by:
1) improper use
2) the non-observance of maintenance instructions
3) use not compliant with operating instructions
4) insufficient flow rate
5) faulty installation
6) incorrect positioning or sizing of the hoses
7) non-authorized design changes
8) cavitation