KM 251 en
32 15.720148-V1.0
1. Unscrew the pressure valve (3b).
2. Add the dosing medium to the dosing head (2).
3. Screw the pressure valve (3b) back in.
Caution
Observe arrow for the pressure valve (for flow direction)!
7.2.4 Start-Up/Subsequent Start-Up
1. Connect the electrical power supply.
2. Depending on the installation, start the pump where possible without counterpressure.
See installation example for easy deaeration of the dosing head in the section on ’Installa-
tion’.
3. Set the stroke adjustment button (L) to 0 %.
4. Allow the pump to run for approx. 5 minutes.
5. Checking the oil level.
5.1 Set the stroke adjustment button (L) to 40 %.
5.2 Run the pump for approx. 10 minutes with a stroke adjustment of 40%.
5.3 Switch off pump, check the oil level and add oil if necessary.
5.4 Fit the oil filling screw (F) and the oil-level gauge back on.
6. Deaerating the piston flange
6.1 Set the stroke adjustment button (L) to 15 %.
6.2 Loosen the degassing valve (E) by one rotation to the left.
6.3 Run the pump for approx. 5 minutes.
6.4 Tighten the degassing valve (E) again.
– The pump is now ready to operate.
!
Warning
Risk of injury caused by squirting oil!
Oil may squirt from the oil deaeration when the pump is running. Do not completely
unscrew the oil deaeration screw. When working on the dosing head, connections
or lines: Wear the necessary protective clothing (goggles, gloves)!
Note
The rod length of the oil level gauge is
1q Dosing head screws
2 Dosing head
3b Pressure valve
E Degassing valve
F Oil filling screw
L Stroke adjustment button
1l Cover for stroke
adjustment button
M Pressure relief valve
L
F
1l
2
M M
1q
E
3b
for KM 251 27 mm; immersion depth to marking approx. 5 mm.
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