Nova-Tech LMI Series AA-B-C-E-J-P Metering Pumps - Manual (Page 34)

34
CAUTION
!
IftheliquidcannotbepumpedduetoLiquifram ™ rupture
usingprotectiveclothing,glovesandfaceshield,carefully
disconnectthesuctionanddischargetubing.Removethe
fourscrewstotheheadandimmersetheheadinwateror
otherneutralizingsolution.
2. Start the pump. While running, set the stroke knob to zero
and turn the pump off.
SeeSection10.0forproperzero
.
3. With the unit off, unscrew the Liquifram ™ by carefully
grasping the outer edge and turning it counter-clockwise
. Discard old Liquifram ™ . Remove the Liquifram ™ disk
if so equipped (located behind the Liquifram ™ ) and check
that the size code matches the size code on the replacement
Liquifram ™ (see illustration).
4. Reinstall the disk so the alignment pin on the disk (if pres-
ent) seats in the recessed hole in the EPU.
Be careful not to scratch the Teflon ® face of the new Liquifram ™ .
5. Start the pump and turn the stroke knob to the setting indi-
cated on the following Stroke Setting Chart which matches
the pump series number located on the pump dataplate. With
the pump stroking (running), screw on the new Liquifram ™
clockwise until the center begins to buckle inwards. Stop
the pump.
For Series AA, J, & P For Series B, C, & E