Operation
311283J 5
Operation
Pressure Relief Procedure
1. Set pump valve OFF. Turn engine OFF.
2. Turn pressure to lowest setting. Trigger gun into
pail to relieve pressure.
3. Open prime valve (vertical).
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 tip
guard retaining nut or hose end coupling to relieve pres-
sure gradually, then loosen completely. Then clean tip
and hose.
General Repair Information
• Install belt guard before operation of sprayer and
replace if damaged. Belt guard reduces risk of
pinching and loss of fingers.
To reduce risk of serious injury:
• Keep all screws, nuts, washers, etc. removed
during repair procedures. These parts usually are
not provided with replacement kits.
• Test repairs after problems are corrected.
• If sprayer does not operate properly, review repair
procedure to verify you did it correctly. See Trou-
bleshooting, page 7.
• Do not touch moving parts with fingers or tools
while testing repair.
Grounding
Ground sprayer with grounding clamp to earth ground
for safe sprayer operation.
System pressure must be manually relieved to prevent
it from starting or spraying accidentally. Fluid under
high pressure can be injected into the skin and cause
serious injury. To reduce risk of injury from injection,
follow this procedure whenever you are instructed to
relieve pressure, stop spraying, service equipment or
install or clean spray tip. Read warnings, page 4.
Hydraulic system and engine may become very hot
during operation and could burn skin if touched. Flam-
mable materials spilled on hot, bare engine could
cause fire or explosion. Have belt guard in place
during operation to reduce risk of pinching or loss of
fingers.
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