TM 5-3895-373-20
REFERENCE INFORMATION
AIR INTAKE/EXHAUST SYSTEM
WARNING
Allow
engine
to
cool
before
performing
maintenance
on
the
muffler,
exhaust
pipe,
exhaust
manifold,
or
turbosupercharger.
Direct contact with hot surfaces can
cause serious burns. If maintenance
of a heated surface is necessary, use
insulated pads and gloves.
Do not touch hot exhaust system
with bare hands; injury to personnel
will result.
After completing diagnostic checks, close front
top left access door, front top right access door,
and right access door per TM 5-3895-373-10.
Install engine access cover per paragraph 2.22.
TURBOSUPERCHARGER BOOST PRESSURE TEST - STE/ICE-R TEST 30
DESCRIPTION
TEST PROCEDURES
Measures discharge pressure of the turbosupercharger.
1.
Shut down engine per TM 5-3895-373-10.
Transmitter: 12258932-4
2.
Set TEST SELECT switches to 30.
DCA Test Pins: w and x
3.
Press and hold TEST button until CAL appears on
display.
PRE-TEST PROCEDURES
4.
Release TEST button and wait for offset value to
appear on display. If offset value is within-7.5 and
+7.5
Run confidence test per TM 9-4910-571-24&P.
5.
Press and release TEST button.
6.
Run engine at test speed per TM 5-3895-373-10.
POSSIBLE ERROR MESSAGES
005 Required offset test was not performed.
7.
Observe displayed value. Displayed values are in
inches of Mercury (in. Hg). Expected maximum
values are:
Cranking
1.1 in. Hg
@500 to 850 rpm
0.2 in. Hg
@2640 ±40 rpm
13.6 in Hg
If STE/ICE-R reading does not approach expected value, check transmitter per DCA diagnostics,
paragraph 2.21.
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