Troubleshooting
312361L
7
Troubleshooting
Problem
What To Check
(If check is OK, go to next check)
What To Do
(When check is not OK, refer to this column)
Motor Won’t Operate
Basic Fluid Pressure
1.
Pressure control knob setting.
Motor will not run if set at mini-
mum (fully counter-clockwise).
Slowly increase pressure setting to see if
motor starts.
2.
Spray tip or fluid filter may be
clogged.
Relieve pressure, page 5. Then clear clog or
clean gun filter. Refer to gun instruction man-
ual, 312363.
Basic Mechanical
1.
Pump frozen or hardened paint
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 com-
pletely. If paint hardened (dried) in sprayer,
replace pump packings. See page 11, Dis-
placement Pump Replacement.
2.
Displacement pump connecting
rod pin. Pin must be completely
pushed into connecting rod and
retaining spring must be firmly in
groove or pump pin.
Push pin into place and secure with spring
retainer. See page 11, Displacement Pump
Replacement.
3.
Motor. Remove drive housing
assembly. See page 13, Drive
Housing Replacement. Try to
rotate fan by hand.
Replace motor if fan won’t turn. See page 25,
Motor Replacement.
Summary of Contents for AllPro Mach 5400 Plus 110V
Page 27: ...Notes 312361L 27 Notes ...
