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 TRANSMISSION DOES NOT DOWNSHIFT IN 1-4 POSITION (M548A3) 0078 00 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 General Mechanic’s Tool Kit (WP 0541 00, Item 57) Pressure Gauge Kit (WP 0541 00, Item 34) 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) 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. 0078 00-1