21
Pump Head Maintenance (Tool Free)
Assemble Long Life Pump Heads
9
Remove the seal holders from the pump chambers.
10
Lubricate the piston with isopropanol and place it into the
spring housing.
11
Place the seal holder onto the spring housing.
Mind the correct orientation: The backup ring must face
upwards and the seal holder must sit correcly.
12
Place the assembled spring housings on top of the pump
chambers.
Both spring housings are identical, there is no risk when
mixing them, but make sure that the seal holder is oriented
correctly.
13
Place the screws into the pump heads and loosely tighten
them in a crosswise manner.
The spring housing will tilt slightly when the first screw is
hand tightened. Stop at this point and continue to tighten
the three other screws in a crosswise manner.
14
Mind the correct orientation of the link plate and click it into
place.
The Pump Head Holder has a marker to illustrate the
correct placement of the link plate. The link plate holds an
identification tag; this has to be placed onto the correct
position to be readable by the pump.
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