en-US
9.5.9
General overhaul
9.6
Repairs
9.6.1
Instructions on using screw lock-
ing devices
38
Maintenance and repair
7. Clean the drain hole screw plug, replace the seal ring and screw it back in. Max. tight-
ening torque: 8 Nm (5.9 ft·lb)!
8. Pour the operating fluid through the fill opening.
⇒ Comply with the specifications for the operating fluid type and quantity!
9. Clean the fill opening screw plug, replace the seal ring and screw it back in. Max. tight-
ening torque: 8 Nm (5.9 ft·lb)!
10.Reapply corrosion protection: Seal screw plug, e.g. with Sikaflex.
The following components are checked for wear and damage as part of general mainte-
nance:
ƒ
Motor bearing
ƒ
Gear bearing and planetary gear speed
ƒ
Propeller
ƒ
Shaft seals
ƒ
O-rings
ƒ
Connection cable
ƒ
Attached accessories
Damaged components are replaced with original parts. This will ensure correct operation.
The general overhaul is performed by the manufacturer or an authorized service center.
WARNING
Risk of injury from sharp edges!
Sharp edges can form on the propeller blades. There is a danger of cutting injuries!
• Wear protective gloves!
The following preconditions must be met prior to starting repair work:
ƒ
Wear protective equipment! Observe the work regulations.
–
Safety shoes: Protection class S1 (uvex 1 sport S1)
–
Protective gloves: 4X42C (uvex C500)
–
Safety goggles: uvex skyguard NT
For detailed marking of frame and disc, see the section on "Personal protective equip-
ment [} 8]".
ƒ
The mixer has been thoroughly cleaned and disinfected.
ƒ
Motor cooled to ambient temperature.
ƒ
Workplace:
–
Clean, good lighting and ventilation.
–
Firm and stable work surface.
–
Secured against falling over and slipping.
CAUTION! Do not set the mixer down on the propeller! Provide an appropriate platform.
NOTICE! Only carry out the repair work described in these installation and operating in-
structions.
For repair work, the following applies:
ƒ
Wipe up spillage quantities of fluid and operating fluid immediately!
ƒ
Always replace O-rings, gaskets and screw locking devices!
ƒ
Observe the tightening torques in the appendix!
ƒ
The use of force is strictly prohibited!
A screw locking method can be used on the screws. Ex-factory, the screws are locked using
two different methods:
ƒ
Thread-locking fluid
ƒ
Mechanical screw locking device
Always replace the screw locking device!
WILO SE 2021-10