TM 9-2350-247-20-1
TRANSMISSION DOES NOT DOWNSHIFT IN 1-4 POSITION (M548A3)
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INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
General Mechanics Tool Kit (WP 0541 00, Item 57)
Pressure Gauge Kit (WP 0541 00, Item 34)
Personnel Required
Unit Mechanic
References
See your -10
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
Transmission in SL (see your -10)
Power plant rear access panel removed (see your -10)
Center seat raised (see your -10)
NOTE
Pressure gauge must read 4 psi (28 kPa). Any other reading indicates a fault.
T
1. Remove plug (1) from GOVERNOR TWO (G2) port (2).
2. Install 1/16 inch (1.6 cm) pressure gauge adapter in G2 port (2).
3. Install pressure gauge on pressure gauge adapter.
4. Start engine and let idle (see your -10).
5. Does pressure gauge read more than 4 psi (28 kPa)?
YES
NO
TN
1. Faulty transmission beyond unit
maintenance repair.
2. Notify your supervisor.
Y
1. Check GOVERNOR TWO (G2).
2. Has GOVERNOR TWO (G2) been replaced?
YES
NO
YN
1. Replace GOVERNOR TWO (G2)
assembly (WP 0317 00).
2. Verify no faults found.
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