Chapter 7 – Prestart Inspection
34 TB80/TB85J – 0112622EE
Lanyard Anchors
There are two lanyard anchors below the upper control
panel (refer to Figure 7.22).
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, pull the emergency stop but-
ton outward. Insert the key in the controls selector
and turn the switch to the upper control position.
3. At the upper controls (refer to Figure 7.23), pull the
emergency stop button outward.
Figure 7.23 – 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.
ADanger
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. Place the drive/boom selector switch in the boom
position.
7. Test the platform foot switch by moving a boom func-
tion control without stepping on the foot switch. If
movement occurs the interlock is not functioning prop-
erly. Do not operate the machine until the problem is
corrected.
Figure 7.21 – Rotation Bearing Bolts
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 7.22) includes the
top rail, mid rail, toeboards and a gravity gate or optional
swinging gate.
Figure 7.22 – 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.
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.
Rotation Bearing Bolts
Toeboard
Top Rail
Mid Rail
Gravity
Gate
Lanyard
Anchors
Platform Foot
Switch
Drive JoystickBoom Joystick
Emergency Stop
Platform Level
Drive/Boom
Selector
Engine/Emergency
Power
Drive Range
Throttle Switch
Jib Switch
Platform Rotate
Boom Extend/
Retract
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