Loosen drawstring of cable storage bag (3) and pull out jumper cables (4 and 5). Negative (-) cable (4) is
approximately 9 ft (2.75m) in length and has a black clamp on end. Positive (+) cable (5) is approximately 28 ft
(8.5m) in length and has a red clamp on end.
Positive (+) cable (5) must be connected to 12 Vdc terminal on parallel side of tractor's series/parallel battery
installation to be used to jump start APU.
Connect negative (-) cable (4) to frame of tractor and ensure a good connection.
Press switch (6) on electrical box (7) and listen for the following:
a. If system is installed correctly, an audible click will be heard as solenoid engages when switch (6) is pushed
on electrical box (7).
b. If system is installed incorrectly or jumper cables receive improper voltage, solenoid will not engage and APU
starter will not function.
Disconnect negative (black) clamp (-) on cable (4) from tractor chassis and positive (red) clamp (+) on cable (5)
from positive (+) terminal of tractor battery and restore in stowage bag (3).
Reconnect negative (-) cable (1) to negative (-) pole of APU battery (2).
This task covers:
General mechanics tool kit, item 16, appx. B