JLG 10msp, Service And Maintenance Manual

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SECTION 6 - SECTION 6 - TROUBLESHO TROUBLESHOOTING OTING
3 31 12 21 12 22 28 8 – – J JL LG G L Liifft t – – 6-17 6-17
6.11 6.11 FA FAUL ULT CODE TROUBLESHOOTING T T CODE TROUBLESHOOTING TABLES ABLES
Machine in Drive Speed Cut-Back (Turtle) Mode All The Time Machine in Drive Speed Cut-Back (Turtle) Mode All The Time
Overview of Procedure Overview of Procedure
Under normal machine operation once the platform is elevated the machine’s maximum drive speed is reduced to 1/4 the Under normal machine operation once the platform is elevated the machine’s maximum drive speed is reduced to 1/4 the
normal drive speed of when the platform is fully lowered. This is detected with a drive speed cut-back
normal drive speed of when the platform is fully lowered. This is detected with a drive speed cut-back
(proximity) (proximity)
switch switch
mounted at the base of the mounted at the base of the mast assembly and a target mounted on the mast assembly and a target mounted on the mast assembly. When the mast is elevated and the mast assembly. When the mast is elevated and the
target raised the proximity switch then cuts back the machine drive speed. When machine is in the drive speed cut-back target raised the proximity switch then cuts back the machine drive speed. When machine is in the drive speed cut-back
mode a turtle is
mode a turtle is displayed on the Ground Control Module LCD display. displayed on the Ground Control Module LCD display.
Check For These Obvious Conditions First: Check For These Obvious Conditions First:
• • Mast drive speed cut-back (proximity) switch and target plate secure and undamaged. Mast drive speed cut-back (proximity) switch and target plate secure and undamaged.
T Table 6-5. Machine able 6-5. Machine In Drive Speed In Drive Speed Cut-Back (Turtle) Mode All The Time Cut-Back (Turtle) Mode All The Time
S ST TE EP P A AC CT TIIO ON N S SP PE EC C Y YE ES S N NO O
1. 1.
With the machine powered on and the With the machine powered on and the platform fully lowered, check for con- platform fully lowered, check for con-
tinuity tinuity on on the the wires wires of of the the Cutback Cutback Proximity Proximity Switches. Switches. At At the the Ground Ground Con- Con-
trol trol Module, Module, P2 P2 connector connector, , check check continuity continuity between between pins-8 pins-8 and and 18 18 (switch (switch
1) and pins-9 and 19 (switch 2). 1) and pins-9 and 19 (switch 2).
— — R Reeppllaacce e G Grroouunndd
Control Module Control Module
Repair or Replace Repair or Replace
Speed Cutback Speed Cutback
(Proximity) Switch (Proximity) Switch