Maintenance And Repair; Operating Fluid - Wilo HC 20.1 + EMU FA Serie Manual De Instrucciones

en
9

Maintenance and repair

9.1 Personnel qualifications
9.2 Operator responsibilities
9.3

Operating fluid

9.3.1 Coolant P35
180
Maintenance and repair
DANGER
Danger due to fluids hazardous to health!
If the pump is used in fluids hazardous to health, decontaminate the pump after dis-
mantling and before carrying out any other work! There is a risk of fatal injury! Ob-
serve the specifications in the work regulations! The operator must make sure that
the personnel have received and read the work regulations!
NOTICE
Use only properly functioning lifting equipment!
Use only properly functioning lifting equipment to lift and lower the pump. Ensure
that the pump does not become jammed during lifting and lowering. Do not exceed
the maximum bearing capacity of the lifting equipment! Check that lifting equip-
ment is functioning properly before use!
▪ Always carry out maintenance tasks in a clean location with good lighting. It must be
possible to position the pump safely and secure it.
▪ Only carry out maintenance tasks mentioned in these installation and operating in-
structions.
▪ Wear the following protective equipment while performing maintenance tasks:
– Safety goggles
– Safety shoes
– Safety gloves
▪ Electrical work: A qualified electrician must carry out the electrical work.
▪ Maintenance tasks: The technician must be familiar with the use of operating fluids and
their disposal. In addition, the technician must have basic knowledge of mechanical en-
gineering.
▪ Provide the necessary protective equipment and make sure that the personnel wears it.
▪ Collect operating fluids in suitable tanks and dispose of properly.
▪ Dispose of protective clothing used in accordance with regulations.
▪ Use only original parts of the manufacturer. Use of parts other than the original parts
releases the manufacturer from any liability.
▪ Collect any leakage of fluid and operating fluid immediately and dispose of it according
to the locally applicable guidelines.
▪ Provide the tools required.
▪ If flammable solvents and cleaning agents are used, open flames, naked lights and
smoking are prohibited.
The coolant P35, is a water-glycol mixture consisting of 35 % "Fragol Zitrec FC" con-
centrate and 65 % demineralised/distilled water. To top up or fill the cooling system, it
is only permitted for the named concentrates to be used at the specified ratios.
CAUTION
Damage to the motor due to incorrect concentrate or mixing ratio!
The motor may be destroyed if other concentrates are used! If the mixing ratio dif-
fers, this means that frost and corrosion protection is not guaranteed! Use only the
concentrates listed in the ratio 35:65.
Concentrate Fragol Zitrec FC
Currently used
Status
Technical data
Propane-1,2-diol
Basic
Colourless
Colour
96 %
Degree of purity
Pekasol L Propylene glycol
Alternative Alternative
Yellowish Colourless
- 98 %
WILO SE 2019-01
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