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20
Keep all screws, nuts, washers, gaskets, and electrical fittings 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
Troubleshooting, page 20.
Overspray may build up in the air passages. Remove any overspray and residue from air passages
and openings in the enclosures whenever you service sprayer.
Do not operate the sprayer without the motor shroud in place. Replace if damaged. Motor shroud
directs cooling air around motor to prevent overheating and insulates the control board from
accidental electric shock.
TROUBLE SHOOTING
The following form lists the common operating system with problem and solutions. Please read the form
carefully and follow it.
WARNING: If any of the following symptoms appears during your operating, stop using the
tool immediately, or serious personal injury could result. Only a qualified persons or an
authorized service center can perform repairs or replacement of tool.
PROBLEMS
POSSIBLE CAUSES
REMEDIES
Basic Fluid Pressure
1. Pressure control knob setting.
Motor will not run if set at minimum
(fully counter-clockwise).
1.Slowly increase pressure setting to
see if motor starts
2. Spray tip or fluid filter may be
clogged.
2.Relieve pressure ,then Then clear
clog or clean gun filter
Basic Mechanical
1. Pump frozen or hardened paint 1.Thaw sprayer if water or
water-based paint has frozen in
sprayer. Place sprayer in warm
area to thaw. Do not start sprayer until
thawed completely. If paint hardened
(dried) in sprayer,replace pump
packings.
2. Displacement pump connecting
rod pin.
Pin must be completely pushed into
connecting rod and retaining
spring must be firmly ingroove or
pump pin.
2. Push pin into place and secure with
spring retainer.
3. Motor. Remove drive housing
assembly.
3. Replace motor if fan won’t turn.
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