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5. Auxiliary Power
Energizes the electrically operated pump, when actu-
ated. (Switch must be held ON for duration of auxiliary
pump use.)
The auxiliary pump functions to provide sufficient oil
flow to operate the basic machine functions should the
main pump or engine fail. The auxiliary pump will oper-
ate tower boom lift, tower telescope, main boom lift,
main telescope and swing.
It should be noted that the functions will operate at a
slower than normal rate because of the lower gpm
delivered.
WHEN OPERATING ON AUXILIARY POWER, DO NOT OPERATE MORE
THAN ONE FUNCTION AT THE SAME TIME. SIMULTANEOUS OPERA-
TION CAN OVERLOAD THE AUXILIARY PUMP MOTOR.
NOTE: The main function of auxiliary power is to lower the
platform in the event of primary power failure. Deter-
mine the reason for primary power failure and have
the problem corrected by a certified JLG service
technician.
3121216
SECTION 3 - MACHINE CONTROLS AND INDICATORS
6. Fuel Select (Dual Fuel Engine Only) (If Equipped)
Gasoline or liquid propane fuel may be selected by
moving the switch to the appropriate position. It is
unnecessary to purge the fuel system before switching
fuels, so there is no waiting period when switching fuels
while the engine is running.
7. Lights (If Equipped)
Operates control console panel lights and head lights if
the machine is so equipped. The ignition switch does
not have to be on to operate the lights, so care must be
taken to avoid draining the battery if left unattended.
The master switch and / or the ignition switch at the
ground control will turn off power to all lights.
– JLG Lift –
3-13
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