System Function Inspection - Snorkel TM12 Service Manual

Refer to figure 2-2 and 2-3 for the locations of various controls and indicators.
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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 o 's bumps and debris.
Check in all directions, including above the work platform for obstructions and electrical conductors.
CHASSIS
CONTROLS
FIGURE 2-4: Chassis control unit
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 twisting clockwise and pulling
the buttons out.
3. Check the level sensor operation by positioning the machine off level by more than 1.5 degrees
side to side.
4. Raise the platform using the chassis controls. The alarm should sound and the platform should
not be higher than 500 mm.
5. Lower the platform by pushing the chassis lift switch to a downwards position while holding the
enable switch on and fully elevate the platform.
6. Repeat steps 3 and 4 with the machine off level by more than 2 degrees front to back.
7. Level the machine.
8. Push the chassis lift switch to the upwards position while holding the enable switch on and fully
elevate the platform.
9. Visually inspect the mast assembly for damage or erratic operation. Check for missing or loose
parts.
10. Refer to figure 2-5;
Visually inspect the two chain tensioning bolts on the platform mast and also the second
mast to ensure locknuts are not loose.
Ensure the bolt thread is vissible through the inspection holes in the tension blocks.
TM12
W A R N I N G

SYSTEM FUNCTION INSPECTION

FIGURE 2-5: Tension blocks
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TENSION BLOCK
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