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0
10
20
80
70
ZN, ZM AND MASTERSTREAM 1000, 150 PSI (10 BAR, 1000 KPA )
60
50
40
30
20
10
0
0
20
40
60
4.0 FLUSHING DEBRIS
Debris in the water may get caught inside the nozzle. This trapped material will cause poor stream quality, shortened reach and
reduced fl ow. To remove debris trapped in the nozzle:
1) Shut off fl ow to the nozzle.
2) Move the stream shaper to the wide fog position.
3) For ZN Nozzle: Unscrew baffl e using a 1-1/8 inch (28mm) socket.
For ZM Nozzle: Unscrew the bolt using 7/8" socket and remove baffl e.
For Masterstream Selectable Gallonage Nozzle: Turn fl ow selector on front of nozzle to "FLUSH" position.
For Masterstream Fixed Gallonage Nozzle: Remove nozzle to gain access to debris.
4) Remove debris. Flow water to fl ush if necessary.
5) Reassemble the nozzle. Tighten the baffl e on the Max Lite nozzle to 30 ft-lbs (40 newton-meters).
WARNING
5.0 MAINTENANCE
Nozzles must be checked regularly to assure proper operation. Contact factory for parts lists and exploded views for particular
models.
©Copyright Task Force Tips, Inc. 1998 - 2009
HORIZONTAL DISTANCE (FEET)
30
40
50
A
B
C
80
100
120
140
160
HORIZONTAL DISTANCE (FEET)
FIG 5 - ZN, ZM and Masterstream Nozzle Stream Trajectory
Large amounts of debris may be unfl ushable and can reduce the fl ow of the nozzle resulting in
an ineffective fl ow. In the event of a blockage, it may be necessary to retreat to a safe area.
60
70
80
D
E
180
200
220
240
260
8
GPM
CURVE
FLOW
90
A
310
430
B
C
610
20
920
D
E
1200
LPM
10
CURVE
FLOW
A
1200
B
1600
0
C
2300
D
3500
280
300
E
4500
LIM-035 June 15, 2009 Rev07
LBS
REACTION
200
280
400
600
780
KGF
REACTION
90
120
180
270
350
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