TM 9-2350-247-20-1
TRANS LOW OIL PRESS INDICATOR COMES ON (M548A3)—Continued
0047 00
3Y
1. Stop engine (see your -10).
2. Remove pressure tester and install MAIN port plug (1).
3. Remove plug (2) from FILTER IN port (3).
4. Install 4730-766-9000 elbow (4) into FILTER IN port (3).
5. Install pressure tester onto elbow (4). Use 400 psi (2758 kPa)
gauge.
6. Measure FILTER IN pressure with engine at 600 rpm with
transmission in R and then in 1-4 position. FILTER IN pressure
should be within 35 psi (241 kPa) of MAIN pressure.
7. Is FILTER IN pressure 35 psi (241 kPa) or more higher than
MAIN pressure?
YES
NO
GO TO BY (PAGE 0047 00-4)
4Y
1. Check to see if TRANS OIL HI DIFF PRESS indicator is on.
2. Is TRANS OIL HI DIFF PRESS indicator on?
YES
NO
GO TO CY (PAGE 0047 00-4)
5Y
1. Stop engine (see your -10).
2. Replace transmission oil filter element (WP 0321 00).
3. Verify no faults found.
0047 00-3
