Snorkel TM12 Series User Manual

Chapter 8 – Prestart Inspection
20 TM12 – 8210027
Danger
Pinch points may exist between moving components.
Death or serious injury will result from becoming
trapped between components, buildings, structures,
or other obstacles. Make sure all personnel stand
clear of the aerial platform while performing the pre-
start inspection.
Warning
The potential for an accident increases when operat-
ing an aerial platform that is damaged or malfunction-
ing. Death or serious injury could result from such
accidents. Do not operate the aerial platform if it is
damaged or malfunctioning.
5. Test the operation of the platform raise/lower switch
in both directions.
Lowering Alarm
While the platform is lowering listen to ensure that the
alarm sounds to warn personnel in the area that the
platform is lowering.
Emergency Stop
To test the emergency stop button from the lower
controls:
1. Push the emergency stop button inward to turn off
electrical power.
2. Test the lower control functions to make sure they no
longer operate.
Emergency Lowering
Use the following procedure to test the emergency lower-
ing valve:
1. Partially raise the platform from the lower controls.
2. While standing clear of the chassis and platform,
pull the emergency lowering knob outward (refer to
Figure 8.10). The platform will begin to lower as the
knob is pulled.
Figure 8.10 – Front of Machine
2. Check the wheels to see that the fasteners are in
place and are not damaged or loose.
Parking Brakes
Inspect the brake shoes to make sure they fully engage
the rear tires as shown in Figure 8.8.
Figure 8.8 – Rear of Chassis
Lower Control Station
With no personnel in the platform, test the operation
of each control from the lower controls (refer to Figure
8.9).
Figure 8.9 – Lower Controls
Operating Controls
Use the following procedure to operate the machine from
the lower controls.
1. Make sure the battery disconnect is plugged in.
2. At the lower and upper controls, twist the button
clockwise to restore power.
3. Insert the key into the start switch and turn the switch
to the on position.
4. Press and hold the ground operation button.
Parking Brake
Emergency Stop Button
Ground Operation Button
Platform Raise/Lower Switch
Start Switch
Emergency Lowering Knob
Property of American Airlines

Snorkel TM12 Series Specifications

General

Brand	Snorkel
Model	TM12 Series
Category	Lifting Systems
Language	English