TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 STE/ICE-R TEST 14 COMPRESSION UNBALANCE (POWER CABLE) 0121 00 THIS WORK PACKAGE COVERS: Test (page 0121 00-1) INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s STE/ICE-R Test Set (WP 0541 00, Item 6) P e r s o n n e l R e q u i r e d Unit Mechanic R e f e r e n c e s See your -10 E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) STE/ICE-R power hooked up (WP 0114 00) Warm engine to operating temperature (see your -10) Disengage transfer gearcase (see your -10) Run test 72 (WP 0123 00) Run test 73 (WP 0124 00) Run test 74 (WP 0125 00) Run test 75 (WP 0124 00) NOTE If VID has been performed during power hook up procedure (WP 0114 00), go to Step 2 page 0121 00-0. If not, then continue to do Step 1 page 0121 00-0. 1. Enter VID. a. Set TEST SELECT switches to 60. b. Press and release TEST button. c. Wait for prompting message UEH to appear on display. d. Set TEST SELECT switches to 03 for vehicle being tested. e. Press and release TEST button. f. Wait for VTM to display and hold VID number. NOTE Do not run more than two compression unbalance tests in a row. Idle engine between pairs of compression unbalance tests. Crank engine without fuel for 5 seconds to clear fuel from cylinders. NOTE If E013 appears, test data cannot be analyzed because of weak batteries or interrupted cranking during test. Correct problem and repeat Step 2 page 0121 00-0. 2. Perform test. a. Set TEST SELECT switches to 14. b. Press and release TEST button. c. When GO appears, crank engine. Display will change to (– – – –) while engine is turning. d. When OFF or E013 appears, stop cranking. Wait for message to appear. 0121 00-1