System Function Inspection - Snorkel TM12 Service And Parts Manual

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S
F
YSTEM
UNCTION
Refer to Figure 1 and Figure 2 for the locations of various controls and indicators.
W A R N I N G
!
STAND CLEAR of the work platform while performing the following checks.
Before operating the machine, survey the work area for surface hazards such as holes, drop-offs, bumps
and debris.
Check in ALL directions, including above the work platform, for obstructions and electrical conductors.
Protect the control console cable from possible damage while performing checks.
1. Move the machine, if necessary, to an unobstructed area to allow for full elevation.
2. Turn the Chassis and Platform Emergency Stop Switches ON by pulling the buttons out.
3. Turn the Chassis Key Switch to ON.
4. Push the Chassis Lift Switch to the UP position and fully elevate the platform.
5. Visually inspect the mast assembly for damage or erratic operation. Check for missing or loose parts.
6. Verify that the depression mechanism supports have rotated into position under the machine.
7. The Level Sensor operation:
The Level Sensor is located on the chassis of the
machine.
These units are factory sealed, pre-set and
require no recalibration or adjustment.
8. Raise the platform, then partially lower the
platform by pushing the Chassis Lift Switch to
DOWN, and check the operation of the audible
lowering alarm.
9. Check the Chassis Emergency Lowering
Valve for proper operation (see Figure 4):
a. Open the valve by pulling the knob out.
b. Once the platform is fully lowered, close the valve by releasing the knob.
10. Push the Chassis Emergency Stop Switch down to the OFF position. All machine functions should be
disabled. Pull out the Chassis Emergency Stop Switch to resume.
11. Mount the platform.
12. Check that the route is clear of persons, obstructions, holes and drop-offs, is level and capable of sup-
porting the wheel loads.
13. After mounting platform, lower the bar across the entrance.
14. Select DRIVe mode.
15. While depressing the Interlock Switch, slowly position the Control Lever to FORWARD then REVERSE
to check for speed and directional control. The farther you push or pull the Control Lever from center the
faster the machine will travel.
16. Push the Steering Switch RIGHT then LEFT to check for steering control.
17. Push the Platform Emergency Stop Switch down to the OFF position. All machine functions should be
disabled. Pull out the Platform Emergency Stop Switch to resume.
Operation Manual
I
NSPECTION
!

System Function Inspection

Figure 3: Level Sensor Location
Level
Sensor
Page 6

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