Service Manual Instruction Manual

SECTION 4 - BOOM & PLATFORM
4-58 – JLG Lift – 3121171
Out of Transport - Switch #2 off cam:
Possible Faults
1. Stuck Switch
• 8/4 Fault Code
• TRANS SW SW DISAGREEMENT* Analyzer message
*This fault will not show up until telescope is activated.
2. Wire Broken/Disconnected
• 8/4 Code Fault Code
• TRANS SW SW DISAGREEMENT Analyzer message
4.22 DUAL CAPACITY SWITCHES
See Figure 4-35., Boom Sensor Locations - Dual Capacity, Length,
& Main Boom Transport and Figure 4-45., Dual Capacity Switch
Wiring
The Dual Capacity Switches are located on the left side of the
Main Base boom underneath the cover. The Dual Capacity
Switches along with the Main Boom Transport Length
Switches run on a series of cams mounted on the fly boom to
determine the length of the main boom. These switches
restricts the main boom length between the main boom
angles of +55° and -45° for the 1000 lb (450 kg) envelope.
Analyzer Readings
The analyzer reading for these switches can be found in the
Diagnostics menu under Transport Data.
Switch #1 off cam: