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VENT VALVE INSTALLATION
The vent valve mod. 969-9833 enables undesired
venting of the pump during a temporary power fail-
ure (5 sec maximum) to be avoided, and enables
an automatic vent operation.
Unscrew the threaded plug.
Screw the vent valve into the pump.
Tighten the valve using a 16 mm hexagonal span-
ner.
! ! ! !
Do not overtighten the valve as this may damage
the thread on the pump.
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TECHNICAL INFORMATION
CAUTION
87-900-881-01(B)
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