Snorkel TB85J - Manual (Page 39)

Chapter 7 – Prestart Inspection
TB80/TB85J – 0112477 35
Following the instructions in Chapter 8 — Operation, ex-
tend the rear axles but do not install the pin lock.
With the axles extended and the pin out (refer to Figure
7.13), operate the boom up and extend functions. The
boom should only raise to a few degrees above horizon-
tal and it should only extend approximately one foot.
Figure 7.13 – Rear Axles Extended
Lock the pin in position in the bottom hole (refer to Figure
7.14) and extend the boom 10 to 20 feet.
Figure 7.14 – Rear Axles Extended and Locked
Remove the pin (refer to Figure 7.13) and verify that the
jack will not lower to raise the rear axles with the pin out.
Lock the pin in position in the bottom hole.
Lower Control Station
With no personnel in the platform, test the operation of
each control from the lower controls (refer to Figure 7.15).
Figure 7.15 – Lower Controls
Operating Controls
Use the following procedure to operate the machine from
the lower controls.
1. Turn the battery disconnect switch on.
2. At the lower controls, pull the emergency stop but-
ton outward, or lift the emergency stop safety guard
up and push the toggle switch up to the on position.
Place the control selector switch in the lower control
position.
3. Insert the key into the master switch and turn the
switch to start until the engine starts, then release.
4. Let the engine warm to operating temperature.
5. Hold the ground operation switch upward.
A Danger
Pinch points may exist between moving compo-
nents. Death or serious injury can result from be-
coming trapped between components, buildings,
structures, or other obstacles. Make sure all person-
nel stand clear of the aerial platform while perform-
ing the prestart inspection.
6. Test the operation of each function in both directions.
Note
When checking the turntable rotation function in the
clockwise direction, the turntable will rotate toward you.
Pin Locked In
Bottom Hole
Engine/Emergency
Power Switch
Start Switch
Emergency
Stop Button
Ground Operation
Switch
Controls
Selector Switch
Pin
Axle