BOTH AIR CLEANER
FANS IN ONE AIR CLEANER
This procedure is to be performed by
referred to as the first technician and
shall direct the activity of the second
person called the second technician.
Check rear accessory harness (CKT 415B), at
inoperative air cleaner for electrical pawer.
First Technician (Top Deck)
l Open top
deckgrille doors at inoperative air cleaner.
l Disconnect rear accessory harness connector (CKT
4 15B) at inoperative air cleaner,
l Set multimeter to measure 18 to 30 volts dc or use STE/
ICE Test No. 89 (page 4-81).
l Connect red probe of meter to rear accessory harness
(CKT 4 15B) at inoperative air cleaner and
black probe to ground.
(Operators Station )
l Start engine and run at idle.
l Check if meter indicates 18 to 30 volts dc.
,Does meter indicate 18 to 30 volts dc?
Check front accessory harness
(CKT 415B) at bulkhead
disconnect for electrical power.
See Step @