7 serial number locations, 8 sensors, Serial number locations -2 – JLG 4394RT Service Manual User Manual
Page 13: Sensors -3, Serial number location -2, High drive cut-out height -3, Tilt sensor indicators -3, Rear of machine

SECTION 1 - SPECIFICATIONS
3121249
– JLG Lift –
1-3
1.7 SERIAL NUMBER LOCATIONS
For machine identification, a serial number plate is affixed
to the machine. The plate is located at the rear of the
machine on the center of the axle. In addition, should the
serial number plate be damaged or missing, the machine
serial number is stamped onto the lip of the rear axle.
1.8 SENSORS
The machine is equipped with the following limit switches:
Elevation Switch/Rotary Position Sensor - High drive
speed is cut out when platform is raised above the preset
heights listed in Table 1-9, High Drive Cut-Out Height.
Tilt Alarm - An alarm sounds and a warning light is illumi-
nated when the machine is operated on a slope that
exceeds the values in Table 1-10, Tilt Sensor Indicators.
The lift and drive functions will cut out at these set heights.
NOTE: Alarm only sounds when above elevation.
If the machine is operated beyond the specified
slope, with the platform completely lowered, only the
warning light is illuminated.
1
2
Rear of Machine
1. Serial Number Plate
2. Stamped Serial Number
Figure 1-1. Serial Number Location
Table 1-9. High Drive Cut-Out Height
Model
Height
3394RT
6-9 ft
(1.8 - 2.7 m)
4394RT
7-10 ft
(2.1 - 3 m)
Table 1-10. Tilt Sensor Indicators
Model
Front To Back
Side To Side
3394RT
(ANSI, ANSI Export, Aus)
5° to full height
5° to 26 ft (8 m)
4° to 30 ft (9 m)
3° to 33 ft (10 m)
4394RT
(ANSI, ANSI Export, Aus)
5° to full height
5° to 26 ft (8 m)
4° to 30 ft (9 m)
3° to 43 ft (13 m)
3394RT/4394RT
(CSA)
3° to full height
3° to full height
3394RT/4394RT
(CE)
5° to full height
3° to full height