TM 9-2350-287-20-1
2-22. SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION
ENGINES (STE/lCE) (continued).
a. STE/lCE PMCS - (continued).
(15) COMPRESSION UNBALANCE TEST - DCA.
NOTE
l Before doing Compression Unbalance Test,
engine must beat normal operating temperature.
l To prevent discharging of batteries, do not
perform more than two (2) compression
unbalance test in a row.
A. 1. Shutoff fuel supply (refer to TM 9-2350-287-
10).
2. Crank engine with no fuel for 5 seconds to
clear fuel from cylinders.
3. Dial 14 into TEST SELECT.
4. Press and release TEST button.
Does prompting message GO show on display?
I
B. 1. Pull and hold fuel shutoff handle (refer to TM
9-2350-287-10).
2. Crank engine and watch VTM to make sure it
shows - -- - on display.
3. Stop cranking engine when VTM display
shows OFF or E013.
4. Wait for VTM to display number.
Is a number on VTM display?
If the number is between 0 and 10, STE/lCE
PMCS is completed. If the number is higher
than 10, notify Direct Support Maintenance.
Continued to next page
2-407
Make sure VTM is operating
properly (refer to TM 9-4910-571-
12&P).