Service Manual User guide

SECTION 3 - CHASSIS & TURNTABLE
3121198 – JLG Lift – 3-67
In order to use Drive & Set, the following conditions must
be met:
• The machine must be stowed
• Turntable position so basket is over tongue
• Telescoped fully in
• Boom not elevated
• Hand brake set
When driving, no boom functions are available.
To dr i v e :
1. Satisfy position sensors
2. Turn Selector switch to drive or O/R set
3. Push the green enable button (no time limit to func-
tion start)
4. Pull the Enable trigger
5. Joystick must be moved within 7 seconds (after 7
seconds, begin with trigger switch again)
Drive & Set Interlocks
1. Turntable position switch
Proximity switch below the tower link (on boom rest)
to sense boom is on rest. This switch will self moni-
tor and be able to sense it is alive upon power up.
2. Hand brake set switch
Proximity Switch to sense location of brake release
cylinder.
3. Tel e s c ope S w itc h
Mechanical switch that can sense the boom is tele-
scoped fully or in some position not fully telescoped.
4. Elevation switch
Mechanical switch on the lift cylinder that can sense
main boom above horizontal