67
R
etainer clip
P/N 12316
Sensor bracket
P/N 12308
F
lo
wmeter housing
P/N 20485
Bearing housing
P/N 20484
Bearing housing
P/N 20484
S
lee
ve
P/N 14280
T
urbine
P/N 14836
R
etainer clip
P/N 12316
Screws
P/N 12389
IMPORTANT: Opening the flowmeter will void the Flow
Calibration value assigned to your unit. However, you may need
to take the flowmeter apart for periodic cleaning or to remove
an obstruction. See Illustration below for flowmeter reassembly
instructions.
To remove the flowmeter:
Loosen two 1/2" bolts securing unit (shutoff valve end) to
toolbar. Loosen union between flowmeter and shutoff valve.
Slide shutoff valve away from flowmeter and unscrew flowmeter
from heat exchanger.
To disassemble the flowmeter:
Remove retainer clip from one end and slide out internals. See
Illustration below. Be careful not to bend turbine shaft.
Clean and inspect parts.
Assemble in reverse order.
After assembly, shaking flowmeter end-to-end should produce
a "rattling" sound (shaft end play). Blowing into the meter from
either end should cause the turbine to spin freely. If the turbine
only spins from one direction, install the flowmeter so that
liquid flows that direction.
If turbine does not spin freely, flowmeter may require repair.
Turbines and bearing replacement kits are available.
Before reconnecting the union, loosen all six 3/8" carriage bolts
at bottom of mounting bracket uprights. Tighten union then
re-tighten 3/8" carriage bolts. This ensures that unit sits flat on
tool bar and does not "teeter" on center bracket.
Start with original calibration number and follow procedure in
manual for verifying flowmeter accuracy.
Complete assembly
FM1500 N Flowmeter
P/N 14348
WARNING
TO PREVENT SERIOUS INJURY, DO THE FOLLOWING:
1. ALWAYS WEAR
gloves, goggles, and other necessary
equipment when handling NH3 apparatus.
2. DO NOT cross thread. Use anti-seize lead base thread
compound.
3. THOROUGHLY BLEED hoses before disconnecting NH3
apparatus.
4. COMPLETELY EVACUATE NH3 apparatus before servicing.
Appendix G: SprayMate II - NH3 Specific
Flowmeter Assembly (FM-1500 N)
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