The pressure gauge shows
irregular oscillations at high
pressure with open lance
CAUTION!: nozzle is subject to wear, to be replaced every time your pump will not reach the required
pressure; in fact, when worn, its hole is becoming larger, so the actual flow rate increases and pressure
decreases.
The liability of the manufacturer under the period of warranty (12 months from date of manu-
facturer's shipment) is limited to the replacement of the parts that, upon examination, appear
in Bertolini's satisfaction to have been defective in material or workmanship.
This warranty is valid only when the fault is ascertained by its technicians, it shall not apply to
any pump which have been repaired or altered to adversely affect the performance or reliability
of the pump.
This warranty does not apply to malfunctions caused by fault or negligence of the buyer or
third party, to the improper use of the pump, to failures reported to the manufacturer after the
warranty period has expired, or to the normal wear of the component parts of the products
such as seals, cups, O-Rings, valves, etc.
Costs of labour, packages and transport costs are at the Buyer's charges . Products, after re-
ceipt pf written factory approval, must be returned complete with all parts and not tampered.
Otherwise warranty is void.
This warranty is subject to the following conditions:
- Pump must be used within the specifications indicated in this manual and in the manual of
the
machine where the pump is installed. A safety valve must be correctly installed in the
system.
- The warranty is void if pump is operating without sufficient fluid to the pump (cavitation).
- The warranty is void if pump is operating without oil in the crankcase.
- Protect pump from freezing. Do not store in area with freezing conditions. Drain completely of
pumped fluid. Flush with antifreeze. Do not store or operate in excessively high temperature
areas or without proper ventilation.
- The warranty is void if installation is not correct.
- The warranty is void if the recommended maintenance instructions are not observed.
- Different uses of the pump than the ones mentioned in the paragraph "Intended Use".
- The warranty is void if the pump use does not conform to the specific current safety stand-
ards and if the machine incorporating the pump is without CE marking.
-Use of non-original spare parts or even not suited for the pump model.
USE OF OTHER THAN BERTOLINI PARTS VOIDS THE WARRANTY
ANY PRODUCT MUST BE RETURNED FREE BERTOLINI FACTORY
PARTS RETURNED MUST HAVE FACTORY APPROVAL DOCUMENTATION PRIOR TO
RETURN.
Valve with impurities
Worn Plunger seal
Worn Check valves
7- WARRANTY
Clean the valve and lubricate the parts
with grease.
Check and/or replace
Check and/or replace
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