Danger – Snorkel TB47J User Manual
Page 36

Chapter 7 – Prestart Inspection
32
TB47J – 0075182
Inspect the optional swinging gate to see that it swings
freely, closes firmly, and is not deformed in any way. Make
sure the spring closes and secures the gate when the
gate is closed.
Lanyard Anchors
There are two lanyard anchors below the upper control
panel (refer to Figure 7.19).
Visually inspect the lanyard anchors to make sure they
are in place, are not deformed and are securely fastened
to the platform.
Operating Controls
Use the following procedure to operate the machine from
the upper controls.
1. Turn the battery disconnect switch on.
2. At the lower controls, place the emergency stop
switch and the master switch in the on position. Place
the control selector switch in the platform position.
3. At the upper controls (refer to Figure 7.20), pull the
emergency stop button out.
Figure 7.20 – Upper Controls
4. Turn the master start switch on the front of the upper
control panel to start until the engine starts, then
release it.
5. Let the engine warm to operating temperature.
A
Danger
Pinch points may exist between moving compo-
nents. Death or serious injury will 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 platform foot switch by moving a boom func-
tion switch without stepping on the foot switch. If
Figure 7.18 – Inside Turntable
Inspect the rotation bearing bolts to ensure that none are
missing, damaged, or loose.
Upper Control Station
Inspect the platform and upper controls only if all func-
tions operated properly from the lower controls.
Guardrail System
The guardrail system (refer to Figure 7.19) includes the
top rail, mid rail, toeboards and a gravity gate or optional
swinging gate.
Figure 7.19 – Guardrail System
Inspect all components of the guardrail system. The rails
and toeboards must all be in place and free of any dam-
age or deformation. Visually check the rail and toeboard
welds for cracks. All bolts and nuts fastening the plat-
form in place must be present and not show any signs of
looseness.
Inspect the gravity gate to be sure it is present, is not
damaged, and moves freely.
Engine
Throttle
Platform
Level
Engine/Emergency
Power
Drive Joystick
Boom Joystick
Boom Extend/
Retract Switch
Drive
Range
Speed
Knob
Platform Rotate
Jib Switch
Rotation Bearing Bolts
Platform Foot
Switch
Mid Rail
Toeboard
Lanyard
Anchors
Gravity
Gate
Top Rail