Snorkel AB38-sn3700+ - Manual (Page 10)

Page 6 Operation Manual
System Function Inspection
S YSTEM F UNCTION I NSPECTION
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. Pull Chassis Emergency Stop Switch to the ON position.
3. Pull Platform Emergency Stop Switch to the ON position.
4. Visually inspect the elevating assembly, lift cylinder, cables, and hoses for cracked welds and structural
damage, loose hardware, hydraulic leaks, loose wire connections, and erratic operation. Check for
missing or loose parts.
5. Test each machine function (Lift, Slew, Telescope) from the lower control station by pressing and
holding the desired function button then moving the Analog Rocker to the Up or Down position (ref:
chassis controls illustration on page 5)
6. Open the Emergency Lowering Valve (see Figure 3) by pulling the knob out to check for proper
operation. When the platform is lowered, release the knob.
7. Push the Chassis Emergency Stop Switch to check for proper operation. All machine functions should
be disabled. Twist the Chassis Emergency Stop Switch to resume.
8. Climb onto the cage.
9. Check that the route is clear of obstacles (persons, obstructions, debris), is level, and is capable of
supporting the wheel loads.
10. Mount the platform and properly close the drop bar.
11. Test each machine function (Drive, Lift, Slew, Telescope, Platform Rotate, Cage Level) from the upper
control station by pressing the desired function button then moving the Joystick to the Forward or Back
position (ref: platform controls illustration on page 5)
12. Push the Platform Emergency Stop Switch to check for proper operation. All machine functions should
be disabled. Pull out the Platform Emergency Stop Switch to resume.
O PERATION
Before operating the work platform, ensure that the Pre-Operation Safety Inspection has been completed
and that any deficiencies have been corrected. Never operate a damaged or malfunctioning machine.
The operator must be thoroughly trained on this machine.
E L E V A T I N G T H E P L A T F O R M
1. Select either the lower or upper boom lift function button (the button will illuminate to confirm selection).
2. While engaging the Interlock Switch, push the Control Handle forward.
3. If the machine is not level the tilt alarm will sound and the machine will not lift.
L O W E R I N G T H E P L A T F O R M
1. Select either the lower or upper boom lift function button (the button will illuminate to confirm selection).
2. While engaging the Interlock Switch, pull the Control Handle backwards.
3. If the machine is not level the tilt alarm will sound and the machine will only descend.