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ectrtc motor wont run.
Electric motor runs, but
no output.
CAUSE
Power cord unplugged, or
building circuit fuse blown
Overload switch has opened.
Power.cord unplugged, or
building circuit fuse blown,
Overload breaker has opened.
Extension cord.
Tip plugged.
Displacement pump frozen or
gear train damage.
Check, replace
Unplug power cord+, decrease pressure.
Check, replace.
tO.CO01.
Unplug power cord*, relieve pressure-allow
Don't
use
more than
100
ftof 12
ga
extension cord.
Remove and clean.
Thaw.
*This unit has an overload breaker built into the switch assembly. If
it
opens, unplug power cord and let sprayer
cool for 30 to
60
minutes. Also, try to correct the cause of overheating. Always use the lowest pressure setting
needed.
NOTE:
A
M11 and M30 metric wrenches are
required for servicing pump.
PUMP
Photo
1
and
2.
Valves
2) Examine O-ring under plug and replace if
1)
Remove the hex plug using an M30 wrench.
3)
Remove valve assembly including retainer,
evidence of cuts or distortion.
spring, valve and valve seat from valve cavity.
NOTE:
Valve assembly may come apart during
removal.
4)
Replace valve parts
with
service
kit
(801-041)
ring and back-up-ring.
including retainer, spring, valve, valve seat,
o-
5)
Replace valve cover and torque to
75
ft-lb (100
Nm).
Pumping
Section
Photo
3.
2)
Separate the manifold from the crankcase.
1)
Remove the four
(4)
hex nuts from the manifold.
NOTE:
It
may be necessary to tap manifold
lightly with mallet to loosen.
CAUTION
plungers when removing to avoid damage to
Keep manifold properly aligned with ceramic
either plungers or seals.
3)
Carefully examine each plunger for any scoring
and replace if necessary.
6
801-392