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Programming the Meter
309497L 9
Installing Nozzle Extension
1. Slide the impact guard (40) onto the tube or hose of
the nozzle extension assembly. See F
IG. 7.
2. Thread the sealing nut (101, 204, or 303) onto the
spout (102, 202, or 302).
3. Thread the tube or hose in at least three full turns,
position it for proper alignment, and wrench tighten
the sealing nut. The PTFE seal on the sealing nut
must face the valve housing. See F
IG. 7.
4. Slide the impact guard (40) over the meter body.
Meter Installation to Hose
1. Slide the rear boot (24) onto the hose. See FIG. 8.
2. Apply PTFE tape to the male threads of the hose fit-
ting (P). See caution above. Leave a minimum of
two engaged threads bare to maintain grounding
continuity.
3. Thread the hose fitting into the swivel (29) of the
meter, and tighten it firmly. See FIG. 8.
4. Slide the rear boot (24) over the fittings and onto the
end of the Matrix meter.
Pressurizing the System
1. Open all dispense position shut-off valves. Start the
pump to pressurize the system. See the Operation
section, page 14, for proper operation of meter.
2. To ensure dispensing accuracy, purge all air from
the fluid lines and dispense valve before using it.
3. Set the system flow to the desired flow rate, which is
typically 1.5-gpm. Do not exceed a 5-gpm flow rate.
F
IG. 7
WARNING
Improper grounding can cause a hazardous condition
and result in fire or explosion. Follow instructions in
step 2 to maintain grounding continuity.
101, 204, or 303
102, 202, or 302
40
wrench tighten to
prevent leakage
CAUTION
Graco recommends using PTFE tape on hose threads
prior to installing the Matrix meter. PTFE tape should
be after the leading thread and clockwise (same direc-
tion as meter installs on hose fitting). Caution should
be taken not to get tape into the meter during installa-
tion as this can cause the meter to malfunction.
Should the tape be the cause of the malfunction,
Graco warranty will be denied.
F
IG. 8
24
29
P
1
Slide boot onto
hose before connecting hose
1
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