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SERVICE
Chemical injector
The nozzle, check valve, valve seat, and needle valve
may be cleaned by disassembling the chemical
injector
if
clogging occurs
within.
or
if downstream restriction increases
in
any
As
with
any injector,
if the spray tip becomes clogged
manner, the injector
will
stop drawing chemical: The
restriction should be eliminated before continuing.
PARTS DRAWING
Chemical Injector
1
A
retaining spring
(17)
has been installed at the
factory to prevent the adjustment knob
(15)
from
being unscrewed too far and the internal parts from
falling out. This spring can be removed if the injector
spring
in
place whenever the pressure washer is
needs to be taken apart for cleaning. Be sure to leave
being used. Removal of spring
will
'not improve
quit working.
chemical flow but could cause chemical injector to
PARTS
LIST
Chemical Injector
REF.
PART
NO.
NO.
DESCRIPTION
QN
1 800-138 CHEMJET NO. 2,
includes items
2 801-684
.
NIPPLE,
hex, brass,
3/8
NPT
2-15
1
3
801-685 O-RING
1
4 801-687
1
.
NOZZLE NO. 2, (16-21
I/rninJ
1
5
801-688
.
O-RING
1
6
801-689
.
CHEMJET BODY
1
7 801-690
8
.
"801 -784
10
801-693
9 801-692
11
801-694
12
'
801-695
13 801-696
.
SPRING,
cane
.
BALL
.
O-RING
.
O-RING
.
SPRING
.
O-RING
VALVE SEAT
14 801-697
.
NEEDLEIHOSE
BARB
15
801-698
1
.
ADJUSTMENT KNOB
16 801-677 TUBING.
5/16
I.D.
1
1
17
801-662
SPRING,
retaining
18 801-683 STRAINER
1
1
which
you
are ordering.
Order parts
by
name and series letter
of
the assembly for
*Recommended
"tool
box"
spare pans
..