The V-1550 sprinkler is factory preset to 3 GPM (11 l/mn), 180° arc (part circle models) and 25° trajectory. To adjust these settings, use the following procedures.
Adjust Flow
1
Flow is adjustable from 1 to 9 GPM (4 to 34 l/mn)
• Factory preset to 3 GPM (11 l/mn)
Tip – Flow adjustment can be made
wet or dry.
1. Insert edge of Toro tool (provided)
into slot of flow adjust ring.
2. While holding top of nozzle with
thumb, turn flow adjust ring in
either direction to align arrow with
desired flow rate number.
3
Install Sprinkler and Check Arc Setting
1. Install and tighten sprinkler onto a
aligning arrow on cover with left watering border.
2. To check arc setting during operation, turn nozzle in
direction of rotation, releasing just before end of
arc – observe reversing point. To quickly
change direction of rotation, turn nozzle
slightly beyond the arc border to actuate
the reversing mechanism.
3. Fine tune arc setting by turning arc
adjustment slot right to increase or left
to decrease.
A
DJUSTMENT
2
+
–
1
3
⁄
" threaded fitting
4
3
11
I
NSTRUCTIONS
Adjust Arc (part circle models)
2
Arc is adjustable from 40° to 360°
• Factory preset to 180°
• Only right side of arc
is adjustable
Tip – Arc can be adjusted wet
or dry. Turn nozzle to left stop
before changing arc.
1. Insert Toro tool into small slot in nozzle top.
2. To increase arc: turn tool right (clockwise).
To decrease arc: turn tool left (counterclockwise).
(Full turn changes arc 180°; Half turn changes arc 90°)
4
Adjust Radius/Trajectory
Trajectory is adjustable from 7° to 25°
• Factory preset to 25°
1. Insert Toro tool through radius adjust-
ment hole in top of nozzle cover.
2. To decrease (–), turn tool right (7° min.).
To increase (+), turn tool left (25° max.).
Tip – 7° setting is not recommended for
newly seeded areas.
TM
2
1
–
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