TM 5-3895-373-20
REFERENCE INFORMATION
ENGINE AND ENGINE LUBRICATION SYSTEM
OIL PRESSURE TEST - STE/ICE-R TEST 35
DESCRIPTIONTEST PROCEDURES
Measures engine oil pressure.
1.
Set TEST SELECT switches to 35.
Transmitter: 12258932-6
2.
Make sure no stimulus is applied to transmitter (shut
DCA Test Pins: y and z
Measurement Range: 0 to 100 psi
3.
Press and hold TEST button until CAL appears on
PRE-TEST PROCEDURES
display.
Run confidence test per TM 9-4910-571-12&P.
4.
Release TEST button and wait for offset value to appear on
display. If offset value is within -15 to +15 psi, proceed.
POSSIBLE ERROR MESSAGES
005
Required offset test was not performed.
5. Press and release TEST button.
6.
Run warm engine at test speed per TM 5-3895-373-10.
7.
Observe displayed value. Displayed values are in pounds per
inch (psi). Expected display values are:
@500 to 850 rpm
10 psi, minimum
@2640 ±40 rpm
40 psi, minimum
STE/ICE-R test #35 measures the true oil pressure under low and fast idle conditions.
OIL FILTER PRESSURE DROP TEST - STE/ICE-R TEST 36
DESCRIPTION
TEST PROCEDURES
Measures the pressure drop across the engine oil filter as
1.
Set TEST SELECT switches to 36.
indicator of filter element clogging.
2.
Shut engine off.
DCA Test Pins: AC and AD
Measurement Range: 0 to 25 psi 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
Run confidence test per TM 9-4910-571-12&P.
on display. If offset value is within -3.75 to +3.75 psi,
proceed.
POSSIBLE ERROR MESSAGES
5.
Press and release TEST button.
005
Required offset test was not performed.
6.
Run warm engine with throttle control at MAX per TM 5-
3895-373-10.
7.
Observe displayed value. Displayed values are in
pounds per inch (psi). Expected display value is 24
psi, maximum.
STE/ICE-R test #36 measures the pressure drop across the oil filter. A pressure drop reading over 24 psi indicates that
the engine oil filter element needs to be changed.
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