User Manual

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Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999198 / 29/09/2009
➨ Use an open-ended wrench (w/f 17) to loosen the union
nut at the hose connection next to the gas ballast.
➨ Use an open ended wrench (w/f 14) to turn the elbow t-
ting 1/4 of a turn, disconnect the hose. Do not remove the
elbow tting from the pump head.
☞ Through reassembly a leak may result.
➨ Use hex key size 5 to unscrew the handle from one side of
the housing cover.
Disassembling the housing cover at the inlet side
➨ Lay the pumping unit down with the housing cover at the
side of the pump inlet facing upwards (support pumping
unit appropriately).
➨ Use a hex key size 4 to loosen the six socket head screws
at the pump head and remove the upper housing (housing
cover with housing cover insert). Do not kink hoses.
☞ Never remove parts using a spiky or sharp-edged tool (e.
g. screw driver), we recommend to use a rubber mallet or
compressed air (to be blown carefully into port).
➨ Take the head covers carefully off the housing cover to
check the valves.
Note the position of the valves and remove them.
☞ Replace valves if damaged.
Use petroleum ether or industrial solvent to remove de-
posits. Do not inhale.