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. .
I
DIAGNOSIS
AND
MAINTENANCE
CONT.
PROBLEM
Replace piston sleeve.
Scored piston sleeve.
Short piston seal life
SOLUTION
PROBABLE CAUSE
Abrasives in water.
Flush with clean water.
~~~~~~
~
motor won't mn
Check, replace
Power cord unplugged, or building
circuit
fuse
blown.
Overload switch has opened.
Unplug power cord", decrease pressure.
I
Electric motor stops
while spraying
Power cord unplugged, or building
Check, replace
circuit fuse blown.
Overload switch has opened.
allow to cool.
Unplug power cord*, relieve pressure-
Tip plugged.
Remove and clean.
Electric motor labors
ReDlace capacitor.
CaDacitor failure.
when starting;
blows fuses
Wire to 220V/60 Hz. See wiring diagram.
Not wired properly.
'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.
SERVICE
Chemical Injector
The nozzle, check valve, valve seat, and needle valve
A
retaining spring (20) has been installed at the factory
may be cleaned by disassembling the chemical injector
to prevent the adjustment knob
(15) from being
if
clogging
occurs within.
unscrewed
too
far and the
internal
parts
from
falling
(
out. This spring can be removed if the injector needs to
As
with any injector, if the spraytip becomesclogged or
if downstream restriction increases
in
any manner, the
be taken apart for cleaning. Be sure to leave spring
in
place whenever the
pressure washer is being used.
should be eliminated before continuing.
injector
will stop drawing chemical. The restriction
could cause chemical injector to quit working.
Removal of spring will not improve chemical flow but
PARTS DRAWING
PARTS
LIST
REF PART
NO. NO.
DESCRIPTION
QTY
1
801-684
2
801-685
3
801-686
4
801-688
5
801-689
6
801-690
7
801-691
8
801-692
10
801-694
9
801-693
11
801-695
12
801-696
13
801-697
14
801-698
15
801-677
16
801-683
17
801-682
NIPPLE, hex.
brass
O-RING
NOZZLE,
no.
1
O-RING
BODY,
chemjet
SPRING,
cone
BALL
O-RING
O-RING
VALVE
SEAT
SPRING
O-RING
NEEDLE/HOSE BARB
ADJUSTMENT KNOB
TUBING,
vinyl
STRAINER
RETAINER,
spring
Order parts by name and series letter of the assembly for
which
you
are ordering.
12
801-237
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