JLG 2505H, Operation Manual

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Section 8 - Additional Checks
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8.3 REVERSE SENSING SYSTEM (IF EQUIPPED)
A. Reverse Sensing System Check
Reverse Sensing System provides audible indication of objects to rear of unit while in
reverse gear.
1. Clear all people and/or obstacles behind machine before performing Reverse
Sensing System check.
2. Start machine and depress and hold brake. Place machine in reverse gear.
3. Verify alarm sounds upon system start up.
Note: Reverse Sensing System detects objects of size more than 36 square inches
(232.25 square centimeters) area and is functional when machine is moving in reverse
direction.
Note: The use of a construction cone or similar object must be used to test the Reverse Sensing
System.
4. Verify operation with no objects in detection zone. No audible alarm.
5. Verify operation when object is in range of approximately 9 to 15 ft (2.7 to 4.5 m).
Produces pulsing audible alarm at a frequency of one per second (1 Hz).
6. Verify operation when object is in range of approximately 7 to 9 ft (2.1 to 2.7 m).
Produces pulsing audible alarm. Produces pulsing audible alarm at a frequency of
two per second (2 Hz).
7. Verify operation when object is range of approximately 5 to 7 ft (1.5 to 2.1 m)
Produces pulsing audible alarm at a frequency of four per second (4 Hz).
8. Verify operation when object is under approximately 5 ft (1.5 m) from machine.
Produces pulsing audible alarm at a frequency of eight per second (8 Hz).
WARNING
CRUSH HAZARD. Do not use a person to test the reverse sensing system.
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