Resistance Welder MULTISPOT MI-90 T
Maintenance
39
8.2.3 Replacing
water
filter
Scald hazard
DANGER! Scalding may occur due to hot water coming out!
While pulling out the cooling water hoses hot water may come out. Therefore:
– Wear
gloves.
– Pull out water hoses carefully.
Slip hazard
DANGER! Slip hazard due to water coming out!
While pulling out the cooling water hoses water may come out. Therefore:
– Remove water from the floor.
Fig. 37: Cooling tank
1.
Loosen the 4 fastening screws (Fig. 37/4) on the
pump support plate.
Fig. 38: Water filter underneath pump support plate
2
Lift the pump support plate.
(Fig. 38).
3
Visually check the water filter. If you detect clear
signs of dirt.
4.
Switch off the welder. Wait, until the pump stops
pumping.
5.
Separate the cooling water supply from the pump.
6.
Pull the water filter unit from the hoses to the left and
right. However, do not loosen the hose clips.
7.
Replace the old filter with a new one and insert the
new water filter between the hoses.
8.
Re-connect the cooling water supply to the pump.
8.3 Measures to be taken after maintenance
When you finish maintenance and before you switch the welder back on, carry out the following:
1. Re-establish any and all connections you loosened and/or removed before. Check for tight fit.
2. Make sure any and all safety devices, covers etc. you may have removed are properly back in
place.
3. Make sure you have properly removed and taken away from the work area any and all tools,
materials etc. you may have used.
4. Clean the work area. If there have been any leaks, spills etc., clean up.