OPERATION
1.
Move the Foxcart into position and set the wheel brakes.
2.
Ensure that 14/28-volt selector switch is in the same voltage range as the Aircraft. (If cart is so
equipped with this optional feature).
3.
Plug the Foxcart Input Power Cable into the AC Outlet.
4.
Switch the Foxcart ON/OFF breaker to “ON” and rotate the Step Switch to adjust the Voltme-
ter to the desired voltage.
5.
Switch the Foxcart ON/OFF breaker to “OFF” and plug the DC cable into the Aircraft DC
receptacle.
6.
Switch the Foxcart ON/OFF breaker to “ON” and re-adjust the Step Switch to the desired
voltage. Ideally, there will be no current draw until the aircraft system is activated. Some
aircraft such as early Lear Jets have a direct connection between the external connection and
the battery. An internal current draw of 100 Amperes may be observed on the ammeter of the
FOXCART. This current will decrease as the batteries are charged. On this type of Aircraft,
the batteries should be allowed to charge before energizing the Aircraft electrical system.
7.
Perform normal start or maintenance.
8.
After starting or completion of maintenance, switch the Foxcart ON/OFF breaker to “OFF”
and disconnect the Power Cable from the Aircraft. Move the FOXCART to a safe distance
and set the brake locks to prevent movement due to Jet or Prop blast.
SOFTSTART OPERATION
Softstart provided current limiting during engine starts to prevent over-torquing starter motors and
starter drive mechanism during starts. Use this option only if your aircraft requires it.
During a Softstart, the Foxcart produces about 20% or more of the current needed for a start and the
Aircraft batteries supply the remaining current. If the Aircraft design maintains the ship’s batteries on
line, the FOXCART will supply all the power. After start, if the FOXCART is left on line long enough,
it will recharge the Aircraft batteries.
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