22
308986
Flushing
If this is a first time flush . . .
12. Repeat the flushing procedure using a solvent
compatible with the fluid you are going to dispense.
When you are done flushing . . .
13. Remove the solvent supply from the feed pumps.
Operate the pumps slowly to push all the solvent
out of the lines, then stop the pumps.
If you are not going to use the system . . .
14. Close all air regulators, master air valves and fluid
shutoff valves. Follow the
Pressure Relief Proce-
dure
on page 23.
WARNING
INJECTION HAZARD
To reduce the risk of serious injury from fluid injec-
tion or fluid splashing, always close the air
valve (A4) to the solvent pump before opening the
fluid drain valves (P2) to relieve system pressure.
This will reduce the risk of excessive pressure
buildup in the opposite component hose and fit-
tings.
How to Flush a Hydraulic Operated
System
WARNING
FIRE AND EXPLOSION HAZARD
Before flushing, read the section
FIRE,
EXPLOSION, AND ELECTRIC SHOCK
HAZARD
on page 4. Be sure the entire
system and flushing pails are properly
grounded. Refer to
Grounding
on page
page 11.
Flush the pump:
D
Before the first use
D
When changing fluids
D
Before storing the pump.
Flush with a fluid that is compatible with the fluid you
are pumping and with the wetted parts in your system.
Check with your fluid manufacturer or supplier for
recommended flushing fluids and flushing frequency.
CAUTION
Never leave water or water-base fluid in the pump
overnight. If you are pumping water-base fluid, flush
with water first, then with a rust inhibitor such as
mineral spirits. Relieve the pressure, but leave the
rust inhibitor in the pump to protect the parts from
corrosion.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 24.
1.
Relieve the pressure.
2.
Hold a metal part of the gun firmly to the side of a
grounded
metal
pail.
3.
Start the pump. Always use the lowest possible
fluid pressure when flushing.
4.
Trigger the gun.
5.
Flush the system until clear solvent flows from the
gun.
6.
Relieve the pressure.
Summary of Contents for HYDRA-CAT FIXED RATIO
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