Graco 256282 Instructions Manual page 13

Air compressor: Follow manufacturer's
recommendations.
Fluid supply container: Follow local code.
To maintain grounding continuity when flushing or
relieving pressure: hold a metal part of the dispense
valve firmly to the side of a grounded metal pail, then
trigger the valve.
Pre-Installation Procedure
1. Relieve pressure, page 12.
2. Close the shut-off valve (B, F
3. Ground the hose and reel or console, page 12.
Leave at least two threads bare when using PTFE
tape. The bare threads ensure a ground is main-
tained.
Installation Procedure
NOTICE
• If this is a new installation or if the fluid lines are
contaminated, flush the lines before you install the
metered valve. Contaminated lines could cause the
valve to leak.
• Never dispense compressed air with meter. Doing
so will damage meter.
Flushing
If this is an existing installation, go to Installing Meter
section, page 13. The following procedure, Steps 1-5
are the Flushing Procedure.
1. Close the fluid shut-off valve (B, F
each dispense position.
2. Make sure:
• the main fluid outlet valve at the pump is closed,
• the air pressure to the pump motor is adjusted,
and
• the air valve is open.
313046A
. 13).
IG
. 13, page 11) at
IG
3. Slowly open the main fluid valve.
a. Place the hose end (with no dispense valve
connected) into a container for waste oil.
b. Secure the hose in the container so it will not
come out during flushing.
c. If you have multiple dispense positions, first
flush the dispense position farthest from the
pump and work your way toward the pump.
4. Slowly open the shut-off valve (B) at the dispense
position. Flush out a sufficient amount of oil to
ensure that the entire system is clean; then close
the valve.
5. Repeat Step 4 at all other positions.
Installing Meter (F
IG
1. Relieve pressure, page 12.
a
31
ti10983a
F . 17
IG
2. Slide the swivel boot (32) back, over the hose, small
end first to access the swivel fitting (a).
3. Apply thread sealant to the male threads of the hose
fitting. Thread the hose fitting into the meter swivel
(31). Use two wrenches to tighten securely (F
17).
NOTE: Make sure you let the sealant cure to the
manufacturer's recommendations before circulating fluid
through the system.
Installation
. 17)
32
IG
.
13