MAINTENANCE OF M939 SERIES VEHICLES - OD1661 - LESSON 1/TASK 2
Ether Start System Troubleshooting. In the following paragraphs
we will follow SGT Ritz as he troubleshoots the ether start system
for the the malfunction ENGINE CRANKS BUT WILL NOT START (FUEL
AVAILABLE) and reaches the conclusion that the ether valve is
defective and needs to be replaced.
Prior to beginning the troubleshooting procedure, the first thing
that SGT Ritz does is to read DA Form 2404 and talk with the
operator. SGT Ritz then reads through the troubleshooting procedures
to determine the necessary tools and special equipment necessary to
perform this task. For this particular troubleshooting task he will
need a mechanic's general toolbox and a multimeter.
After SGT Ritz
has gathered the necessary tools and equipment, he configures the
vehicle according to the items listed in paragraphs 3a(1) thru 3a(5)
on page 34 of this task. SGT Ritz is now ready to begin the actual