TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0018 00 0018 00-9 SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINE— REPROGRAMMABLE STE/ICE-R NO-GO CHAIN TROUBLESHOOTING (Contd) Table 2. STE/ICE-R No-Go Chain Test (Contd). • Move pressure transducer to inlet side of fuel filters. • Turn on vehicle power and accessory switches. • Crank engine and watch display. • Is fuel pressure greater than limit shown in step 4? 5 ENGINE CRANK—NO START (Contd) NG30 TK MODE NO YES FUEL PRESSURE TRANSDUCER INSTALLATION STEP 3 TK ITEM 26 TK ITEM 22 P2 CABLE W4 • Replace fuel filters (WP 0063 00 and WP 0064 00). • If still no start, return to step 2. NOTE After completing repair, rerun GO Chain tests (WP 0017 00) to verify that problem is fixed and no other problems exist. NOTE After completing repair, rerun Go Chain tests to verify problem is fixed and no other problem exists. • Remove red pressure transducer. • Refer to Mechanical Systems Troubleshooting Index (WP 0005 00) for proper operation of fuel pump. • Check for restricted air intake. • If engine does not start and weather is cold, refer to Mechanical Systems Troubleshooting Index (WP 0005 00) to check cold start devices. • If still no start, refer to Mechanical Systems Troubleshooting Index (WP 0007 00) to diagnose engine. NO YES TK ITEM 14 • Refer to Mechanical Systems Troubleshooting Index (WP 0005 00) to check electric fuel pump. Repair or replace as necessary. • If operating in freezing temperature, check fuel lines for ice blockage due to water accumulation or coagulation of fuel. • If still no start, locate and repair blockage in fuel line. (WP 0063 00 and WP 0064 00).