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8 306-993
Operation
General Information
The
following instructions are for operation of the
Monark 5:1 Ratio Hydra–Clean Pressure W
ashers
Model 205–985 and Model 207–860. Callouts in
parentheses refer to Figure 2.
Pressure Relief Procedure
WARNING
INJECTION
HAZARD
Fluid under high pressure can be in
-
jected through the skin and cause
serious injury
. T
o reduce the risk of an
injury from injection, splashing fluid, or moving
parts, follow the
Pressure Relief Procedure
whenever you:
D
are instructed to relieve the pressure,
D
stop spraying,
D
check or service any of the system equipment,
D
or install or clean the spray nozzles.
1.
Lock the gun trigger safety
.
2.
Close the bleed-type master air valve (H, required
in your system)
3.
Unlock the gun trigger safety
.
4.
Hold a metal part of the gun firmly to the side of a
grounded metal pail, and trigger the gun to relieve
pressure
5.
Lock the gun trigger safety
.
6.
Open the drain valve (R, required in your system),
having a container ready to catch the drainage.
7.
Leave the drain valve open until you are ready to
spray again.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above,
very slowly
loosen the
tip guard retaining nut or hose end coupling and relieve
pressure gradually
, then loosen completely
. Now clear
the tip or hose.