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When the platform is below 6' (1.8 m) and the control is
moved to lower the platform, there is a 1.5 second delay
before movement begins.
Horn
The horn may be used to warn personnel on the ground.
The horn is operational when the machine is set up for
operation from the upper controls.
The horn button is located on the front of the upper control
panel (refer to Figure 4.2).
Flashing Light
An optional amber flashing light may be located under
the upper control box. The flashing light warns personnel
that the aerial platform is in the area.
The light flashes at about one flash per second when the
machine is set up for operation from the upper controls.
When the platform is lowered and the lowering interrupt
is active, the light is constantly on.
Snorkel Guard
The optional Snorkel Guard (refer to Figure 4.11) is a
mechanically activated guarding system which offers an
additional level of protection to the operator at the upper
controls.
If an operator is involuntarily pushed against the
spring-loaded Snorkel Guard rail that is mounted above
the upper control panel, the machine functions are dis-
abled.
S3215L/S3215E/S3219E/S3220E/S3226E/S4726E/S4732E – 1500834
When the Snorkel Guard is activated:
the horn sounds.
y
the blue light under the upper control panel flashes.
y
only the platform lower function will operate.
y
Snorkel
Guard
Figure 4.11 – Upper Controls
The lower controls are not affected by the Snorkel Guard
activation.
Chapter 4 – Safety Devices
21
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