7. Maintenance
WARNING: HAZARDOUS VOLTAGE
Risk of electric shock. Only personnel specially tr
ained to perform electrical
maintenance should aempt troubleshoong in electrical enclosures. These
enclosures contain hazardous voltages and are not operator areas. Wait for a
minimum of four minutes aer switching o the electrical supply before touching any
electrical component on the system.
WARNING: SYSTEM LEAKAGE
Risk of injury or damag
e to the equipment. Do a leak test of the system aer
maintenance. If leaks are found, seal them to prevent dangerous substances leaking
out of the system or air geng in to the system.
CAUTION: ABRASIVE CLEANING MATERIALS
Risk of damage t
o equipment. Do not use cleaning materials based on strong alkalis,
aggressive or chlorinated solvents. Do not use cleaning materials containing
abrasives.
WARNING: LOCKOUT AND TAGOUT
Risk of injury or dea
th. Electricity, nitrogen and water supplies are possible hazardous
energy sources. Lockout and tagout sources before you do the maintenance to the
pump.
WARNING: HOT SURFACES
Risk of burns. Do not touch the pump e
xhaust or check valve while the pump is in
operaon since the temperatures of these parts can be high. These parts can be hot
even aer the system has stopped.
WARNING: USE PROTECTIVE EQUIPMENT
Risk of injury or dea
th. Personal protecve equipment should be checked and used as
specied by its supplier. Hazardous chemicals that have been pumped are present in
the pumps and piping. Use of correct protecve gloves and clothing along with a
respirator is recommended if contact with hazardous substances is possible. Be
cauous when you work with uorinated materials which can possibly have been
exposed to temperatures greater than 260 °C. Refer to our safety data sheets for
more informaon.
The system is given a charge of oil before it leaves the factory. It is not necessary to
check or adjust oil levels between major overhauls.
1. We recommend you do a monthly visual inspecon of the system. Check that the
cables, hoses and pipelines connected to the pump are in good condion and
make sure that all connecons are secure.
10/2020 - ©Edwards Limited
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M56635880_D - Maintenance