Snorkel UL20-sn17745+ - Manual (Page 3)

3
EMERGENCY LOWERING
If the platform should fail to lower, NEVER
climb down the mast.
Ask a person on the ground to open the Emer-
gency Lowering Valve to lower the platform. This
valve is located on the left side of the mast (Figure
2).
1. Pull the knob out and turn
1 /
4
turn to open the
Emergency Lowering Valve.
2. To close the Emergency Lowering Valve, turn
the auxiliary platform lowering knob until it
snaps back in.
Once the platform is fully lowered, be certain that the
Emergency Lowering Valve is closed again. The
platform will not elevate if the Emergency Lowering
Valve is open.
NOTE: Optional auxiliary platform lowering
circuit allows operator to lower platform when
power source is interrupted. A warning light on
base control box shines when batteries for auxil-
iary platform lowering circuit are low (Figure 4).
Batteries are located inside base control box.
3. Turn Key to ON. Key Switch is located on the
left side of the mast (Figure 2).
4. Pull out on Lower Emergency Stop Button,
located on the left side of the mast (Figure 2), to
turn switch ON. In the event of an emergency
push the button in to cut power to all controls.
5. Enter the platform by lifting up on the cage mid
rail.
6. Lower cage mid rail after entering platform.
7. Check that the area above the platform is clear
before elevating the platform.
8. Pull out on Emergency Stop Button, located on
platform control panel (Figure 2). In the event of
an emergency push the button in to cut power to
all controls.
9. Push both the middle and top buttons (POWER
and UP), on the platform control panel (Figure
2), at the same time to elevate the platform.
Release the buttons to stop.
10. Check that the area below the platform is clear
before lowering the platform.
11. Push both the middle and bottom buttons
(POWER and DOWN) at the same time to lower
the platform. Release the buttons to stop.
12. After use, secure unit from unauthorized use by
turning Key Switch to OFF and remove key.
Figure 3: AC Base Controls
AFTER USE EACH DAY
1. Ensure that the platform is fully lowered.
2. Park the machine on level ground, preferably
under cover.
3. Secure against vandals, children or unautho-
rized operation by turning the Key Switch to
OFF
and remove the key.
Figure 4: Warning light shines when batteries
for optional auxiliary platform lowering
circuit are low.
AC Circuit
Breaker
Warning
Light