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MAINTENANCE
ASSEMBLY
The application of
lubricants or compounds must
not be used to assemble the flow meter. The use
of lubricants and compounds will cause coating
material contamination through the system,
equipment damage, and coating failure.
1. Install a new PTFE o-ring gasket (p) into the
sealing groove in the bottom body.
2. Install the gear shafts (r) into the shaft bearings
in the bottom body.
3. Put one gear (q) onto a gear shaft and push the
gear down until it touches the the bottom body
measuring chamber. Assemble the other gear
onto the second shaft. Make sure the gears fully
engage and easily turn on the shafts.
4. Align the pins (y) in the flow meter's bottom body
(m) to the holes (not shown) in the flow meter's
top body (o). Tightly push the two body halves
together. Make sure the decals or marks align.
Do not use a hammer or mallet to force-fit
the halves together. Such use of force can
cause damage to the alignment pins, gear
shafts, and bearings.
5. Put the socket head cap screws (n) into the holes
on the flow meter top body and turn them into
threaded holes in the bottom body.
6. Use a torque wrench and tighten the screws to 12
lbs-ft in the sequence pattern shown on page 14.
If
the torque sequence is followed, the gasket will
fully seal to prevent flow meter leakage and failure.
The gears will bind if the screws are overtightened.
7. Turn the hose adapters (k) into the flow meter
bottom body.
8. Use the parts removed during disassembly step
4 to assemble the flow meter mounting bracket
onto the rear of the bottom flow meter body.
9. Install the pickup sensor (b or e) removed during
steps 1-3 to the flow meter top body.
10. Attach the pickup sensor cable removed during
step 1.
11. A brief blast of dry, compressed air will quickly
turn the gears and make a gear-spin sound.
77-3154-R1 (05/2023)
n
o
k
y
22/34
b
e
q
r
p
m
www.carlisleft.com
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