TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 307 of 1176

TM 9-2320-361-24-1

0018 00

0018 00-3

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).

PROMPTING

MESSAGE

• Stop engine immediately.

• Refer to vehicle lubrication order (WP 0020 00)

to check oil type and replace oil filters.

• If reading is still bad, refer to Mechanical

Systems Troubleshooting Index (WP 0007 00)

to diagnose engine.

• Proceed to Gauge Test, NG 31.

NO

YES

NG31

NORMAL OIL PRESSURE AND MAXIMUM RPM

50–60 PSI @ 2600–2850 RPM

CHECK OIL PRESSURE:

• Dial 01 into TEST SELECT switches and press

TEST.

• When PASS appears, dial 50 into TEST SELECT

switches and press TEST. VTM will now display

RPM and oil pressure alternately.

• Start vehicle engine (TM 9-2320-361-10) and hold

RPM at speed indicated in table below.

• Check the VTM display for correct oil pressure.

• Is oil pressure within limits?

2

NOTE

After completing repair, rerun the GO Chain

tests (WP 0017 00) to verify that problem is

fixed and no other problem exists.

LOW OIL PRESSURE CHECK (Contd)

NG05

TK

MODE