JLG 10MSP Service And Maintenance Manual page 47

6.11 FA 6.11 FAUL ULT CODE TROUBLESHOOTING T T CODE TROUBLESHOOTING TABLES
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 (proximity) normal drive speed of when the platform is fully lowered. This is detected with a drive speed cut-back
mounted at the base of the mast assembly and a target mounted on the mounted at the base of 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 displayed on the Ground Control Module LCD display. mode a turtle is 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 T able 6-5. Machine able 6-5. Machine In Drive Speed
S S T T E E P P
1. 1. With the machine powered on and the With the machine powered on and the platform fully lowered, check for con-
tinuity tinuity on on the the wires wires of of the the Cutback
trol trol Module, Module, P2 P2 connector connector, , check
1) and pins-9 and 19 (switch 2). 1) and pins-9 and 19 (switch 2).
3 3 1 1 2 2 1 1 2 2 2 2 8 8
ABLES
mast assembly and a target mounted on the mast assembly. When the mast is elevated and the
In Drive Speed Cut-Back (Turtle) Mode All The Time
A A C C T T I I O O N N
platform fully lowered, check for con-
Cutback Proximity Proximity Switches. Switches. At At the the Ground
check continuity continuity between between pins-8 pins-8 and
– – J J L L G G L L i i f f t t – –
SECTION 6 - TROUBLESHO SECTION 6 -
mast assembly. When the mast is elevated and the
Cut-Back (Turtle) Mode All The Time
S S P P E E C C
— —
Ground Con- Con-
and 18 18 (switch (switch
TROUBLESHOOTING OTING
(proximity) switch switch
Y Y E E S S N N O O
R R e e p p l l a a c c e e G G r r o o u u n n d d Repair or Replace Repair or Replace
Control Module Control Module Speed Cutback Speed Cutback
(Proximity) Switch (Proximity) Switch
6-17 6-17