JLG 4013PS Service Manual - Manual (Page 144)

Electrical System
9-4 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9
9.3 PLATFORM INTERLOCK CHECKS
To check the platform interlock, turn the ignition key to
position I and be sure the following are set:
• Park brake is applied
• Transmission control lever is in the (N) NEUTRAL
position
• Machine outriggers are fully lowered
• Machine is level
• Quick Attach locking pin is installed
It is now possible to check the platform interlock.
1. Disengage the park brake. Turn the ignition key to
the platform position. The machine should not
engage in platform mode. Reapply the park brake.
2. Shift the transmission control lever into
(F) FORWARD or (R) REVERSE. The machine
should not engage in platform mode. Shift the
transmission control back to the (N) NEUTRAL
position.
3. Raise the outriggers. The machine should not
engage in platform mode. Lower the outriggers.
4. Rotate the machine to a non-level position. The
machine should not engage in platform mode. Level
the machine.
5. Remove the quick attach locking pin from the boom
head. The machine should not engage in platform
mode. Install the quick attach locking pin.
With all the above conditions met for the machine to go
into platform mode, turn the ignition key to the platform
position.
1. Disengage the park brake. The machine should
disable platform functions. Engage the park brake.
2. Shift the transmission control lever to (F) FORWARD
or (R) REVERSE. The machine should not drive in
platform mode. Shift the machine to (N) NEUTRAL.
3. Raise the outriggers. The outriggers should NOT
raise in platform mode.
4. Unlevel the machine. The machine should disable
platform functions if the machine is not level. Level
the machine.
5. Have an assistant remove the quick attach locking
pin. The machine should disable platform functions.
6. Have an assistant raise the boom above 60 degrees
in the platform. The boom should not raise above 60
degrees (Model 4017 only). Lower the boom.
WARNING
While an assistant raises the boom. DO NOT leave
the cab unattended.