Maintenance and repair
en
Installation and operating instructions Wilo-Vardo WEEDLESS-F
29
Maintenance measures
Interval
Perform on
Conduct visual inspection of ac-
cessories
Annually
Accessories, attachment
parts
Conduct visual inspection of mains
connection
Annually
Mains connection cable
Change oil.
*
Drive unit
NOTICE! *Consult the manufacturer’s instructions for intervals and specific meas-
ures!
9.4.2
Maintenance intervals for harsh
conditions
Under harsh operating conditions, the specified maintenance intervals must be
shortened as required. Harsh operating conditions include:
ƒ
Fluids with long-fibre components
ƒ
Strongly corrosive or abrasive fluids
ƒ
Highly gaseous fluids
ƒ
Operation at an unfavourable duty point
ƒ
Unfavourable flow conditions (e.g. due to fixtures or aeration)
When using the mixer under harsh conditions, it is recommended that a maintenance
contract be entered into. Contact customer service.
9.5
Maintenance measures
DANGER
Danger due to fluids hazardous to health when carrying out maintenance
tasks!
The mixer is not dismantled to carry out these tasks. Personnel may come into con-
tact with fluids that are hazardous to health. Observe the following points:
• Wear protective equipment:
⇒ Sealed safety goggles
⇒ Mouth protection
⇒ Protective gloves
• Wipe up drips immediately.
• Clean and disinfect tools after use.
• Observe the specifications of the work regulations! The operator must make
sure that all personnel have received and read the work regulations!
WARNING
Hand, foot or eye injuries due to the absence of protective equipment!
Danger of (serious) injuries during work. Wear the following protective equipment:
• Safety gloves for protection against cuts
• Safety shoes
• Closed safety goggles
ƒ
Secure and, if necessary, cordon off the work area.
ƒ
Prepare the work area:
–
Clean
–
Dry
–
Frost-free
–
Decontaminated
ƒ
Toxic or asphyxiating gases may build up when working in closed rooms. Ensure
there is sufficient ventilation and observe protective measures according to work
regulations (examples):
–
Measure the gas concentration before entering.
–
Carry a gas detector with you.
–
etc.
