TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 TRANSMISSION DOES NOT DOWNSHIFT IN 1-4 POSITION 0066 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 0926 00, Item 65) Pressure Gage Kit (WP 0926 00, Item 35) 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) Trim vane lowered (see your -10) Power plant access door open (see your -10) Driver’s power plant access panel removed (see your -10) Power plant rear access panel removed (see your -10) Transmission in SL NOTE Pressure tester must read 4 psi. Any other reading indicates a fault. T 1. Remove plug (1) from GOVERNOR TWO (G2) port (2). 2. Install 1/16 inch pressure tester adapter in G2 port (2). 3. Install pressure tester on pressure tester adapter. 4. Start engine and let idle (see your -10). 5. Does pressure tester read more than 4 psi? YES NO TN 1. Faulty transmission. Beyondunit maintenance repair. 2. Notify supervisor. Y 1. Has governor assembly been replaced? YES NO YN 1. Replace governor assembly (WP 0397 00). 2. Verify no faults found. 0066 00-1