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WATER JET SYSTEM
8
PROBLEM
QUICK COUPLER LEAKS
SPRAY GUN(S) LEAK
PRESSURE WASHER
UNLOADER CYCLES
NOZZLE ASSEMBLY
SPINNING TOO SLOW OR
TOO FAST
NOZZLES SPINNING TOO
SLOW
NOT CLEANING SURFACE
ROTATING NOZZLE ARM NOT
SPINNING, BEARING NOISE
NOZZLE CHART
Correct nozzle size is important for optimum cleaning efficiency. Water Jet is shipped with two #3, 15° nozzles in rotary swivel,
and one #6, 40° nozzle in shut-off gun. Review correct nozzle size for your pressure washer. See chart below for correct nozzle
size. To obtain the correct nozzle size in the rotary swivel, divide the minimum nozzle size for the pressure by two. Round this
figure up to the nearest half nozzle size. These are the 1/8" nozzles only (two needed) for the rotary swivel on the Water Jet.
Nozzle
Orifice
40
100
Size
diam.
PSI
PSI
(in.)
2
.034
.20
3
.042
.30
4
.052
.40
4.5
.055
.45
5
.057
.50
5.5
.06
.55
6
.062
.60
6.5
.064
.65
1.00
7
.067
.70
1.10
7.5
.07
.75
1.20
8
.072
.80
1.30
8.5
.074
.85
1.30
9
.076
.90
1.40
9.5
.078
.95
1.50
10
.08
1.00
1.60
12
.087
1.20
1.90
15
.094
1.50
2.40
20
.109
2.00
3.20
30
.141
3.00
4.70
40
.156
4.00
INSTRUCTION MANUAL AND PARTS LIST
TROUBLESHOOTING
POSSIBLE CAUSE
Worn O-Ring
Foreign matter between valve seat and
ball
High pressure filter or wrong sized
nozzles for attached pressure washer
Nozzles are angled incorrectly
Not enough water volume for attached
pressure washer to rotate nozzles
Height adjustment too high, nozzle
angle wrong, or pressure washer too
small for job
Pressure washer too small, wrong
nozzle angle, bearing low on grease
250
500
600
700
PSI
PSI
PSI
.32
.50
.71
.77
.47
.75
1.07
1.16
.63
1.00
1.40
1.60
.71
1.10
1.50
1.70
.79
1.30
1.80
1.90
.87
1.40
1.90
2.10
.95
1.50
2.10
2.30
1.70
2.30
2.50
1.80
2.50
2.70
1.90
2.70
2.90
2.00
2.80
3.10
2.20
3.00
3.30
2.30
3.20
3.50
2.40
3.40
3.70
2.50
3.50
3.90
3.00
4.20
4.60
3.80
5.30
5.80
5.00
WATER JET SYSTEM Manual • #96-617 • Rev 12/03
Replace O-Ring (Part #2-0121).
Remove foreign matter. Replace with
Repair Kit (Part #81-21227).
Remove and clean out filter, nozzle(s).
Readjust nozzles. NOTE: More angle
800
1000
1200
PSI
PSI
PSI
PSI
.80
.89
1.0
1.1
1.25
1.34
1.5
1.6
1.70
1.80
2.0
2.2
1.90
2.00
2.2
2.4
2.10
2.20
2.5
2.8
2.30
2.50
2.8
3
2.50
2.70
3.0
3.2
2.70
2.90
3.3
3.6
2.90
3.10
3.5
3.8
3.20
3.40
3.8
4.1
3.40
3.60
4.0
4.4
3.60
3.80
4.3
4.6
3.80
4.00
4.5
5.0
4.00
4.30
4.8
532
4.20
4.50
5.0
5.4
5.00
5.40
6.0
SOLUTION
Check nozzle size.
means faster rotation. Angle to about 30°.
Need a larger gpm pressure washer.
Lower adjustment knob, change nozzle
angle or attach to larger pressure
washer.
Get larger gpm pressure washer; angle
nozzles correctly; grease bearing.
1500
2000
2500
3000
PSI
PSI
PSI
PSI
1.2
1.4
1.6
1.7
1.8
2.1
2.4
2.6
2.5
2.8
3.1
3.5
2.8
3.0
3.6
3.9
3.1
3.6
4.0
4.4
3.4
3.8
4.4
4.8
3.7
4.2
4.8
5.2
4.0
4.6
5.2
5.7
4.3
5.0
5.6
4.6
5.3
6.0
5.0
5.6
5.3
6.0
5.5
5.8
3500
4000
PSI
PSI
1.9
2.0
2.8
3.0
3.8
4.0
4.3
5.0
4.7
5.0
5.2
5.5
5.7
6.0
6.0
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