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 CARRIER DOES NOT ATTAIN HIGH SPEED -- Continued 0061 01 YES NO WARNING Perform test outdoors or in a well-ventilated area to avoid illness or death caused by inhalation of carbon monoxide from the engine exhaust. WARNING Use extreme care when making pressure checks with vehicle in motion. Watch for pivot steer. 1. If carrier is blocked, unblock carrier (see your -10). 2. Remove 9/16 in. hex plug from the LOCKUP (LU) pressure pressure port (1) in the transmission input housing (2). 3. Install pressure gage and adapters in the LOCKUP (LU) pressure test port (1) in the transmission input housing (2). 4. Check LOCKUP pressure while operating vehicle on level, fl a t t e rra i n wi t h e ngi ne a t 2500 rpm a nd shi ft l e ve r a t 1 - 4 posi t i on. L oc kup pre ssure m ust be 140 - 160 psi (965 - 11 03 kPa). 5. Is LOCKUP pressure within the specified limits? 1. Faulty transmission. Beyond unit maintenance repair. 2. Notify supervisor. 5Y 5YN Change 3 0061 01--2