TM 5-4310-452-14
2-20. OPERATION IN EXTREME COLD, SNOW, OR MUD (Con't).
(3)
Open manual blowdown valve (2) and service valve (3).
NOTE
When using ETHER INJECT knob, ensure that knob is pushed in immediately after pulling it out.
(4)
Pull ETHER INJECT knob (5)
once, and then completely push it back in.
Simultaneously
push
SAFETY
CIRCUIT
BYPASS (7) and START (6) buttons. Release
START button when engine starts, Release
SAFETY
CIRCUIT
BYPASS
button
when
engine oil pressure reaches 20 psi (138 kPa).
Pull ETHER INJECT knob if engine falters, but
do not use more than once every 15 seconds.
(5)
Once
compressor
unit
has
started, gradually close manual blowdown valve
(2) to keep engine running. Allow unit to warm
up for 10 minutes.
NOTE
DO NOT open manual blowdown valve during operation, or engine shutdown may result from
excessive compressor oil carryover.
(6)
Push SERVICE-AIR button (4). Slowly close service valve (3) until unit is at idle. If safety relief valve
opens, completely open service valve. Gradually close service valve until discharge pressure reaches and holds at 110
psi (758 kPa), Let unit run for five minutes. Service valve can now be completely closed and service lines attached.
TA505415
2-28