Snorkel ULII40-sn21373-21690 - Manual (Page 10)

Page 8 Operation Manual
068017-021 UL25, UL32 & UL40 Operation
O PERATION
Before operating the machine, 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.
NOTE: The platform will not elevate unless all four outriggers are properly installed with screwjack pads firmly in
contact with floor and each outrigger indicator lamp lit.
1. AC Units: connect the power unit plug to an approved extension cord.
2. DC Units: verify that the battery charger is turned OFF and that the extension cord is removed.
3. Pull the Chassis Emergency Stop Switch to the ON position.
4. Turn the Key to ON.
5. Enter the platform by pulling out on the locking pin and lifting up on the upper half of the cage.
6. Lower upper half of the cage after entering platform making sure locking pin is engaged.
E LEVATING THE P LATFORM
7. Check that the area above the platform is clear before elevating the platform.
8. Pull the Platform Emergency Stop Switch to the ON position.
9. Push both the middle and top buttons (POWER and UP) on the Control Box at the same time to elevate
the platform. Release the buttons to stop.
• In the event of an emergency, push the Emergency Stop Button.
10. Visually inspect the mast assembly for cracked welds and structural damage, loose hardware, hydraulic
leaks, loose wire connections, and erratic operation. Check for missing or loose parts.
L OWERING THE P LATFORM
11. Check that the area below the platform is clear before lowering the platform.
12. Push both the middle and bottom buttons (POWER and DOWN) at the same time to lower the platform.
Release the buttons to stop.
E MERGENCY L OWERING
Refer to Figure 2: “Controls and Indicators,” on page 5 for the location of the Emergency Lowering Valve.
W A R N I N G ! !
If the platform should fail to lower, NEVER climb down the elevating assembly.
Stand clear of the elevating assembly while operating the Emergency Lowering Valve Knob.
Ask a person on the ground to open the Emergency Lowering Valve to lower the platform. This valve is
located through a cutout in the power unit cover on the left side of the mast.
1. Pull the knob to open the valve.
2. To close the valve, release the knob.
NOTE: The platform will not elevate if the Emergency Lowering Valve is open.