TM-9-2520-254-34 Direct Support for M113 TX100-1 Transmission 2520-00-066-4240 Download
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(2) The rear oil pump rotates in the reverse direction and allows a small volume of oil to return to the sump. This oil must come through the orifice connecting the front and rear oil pump output lines. Oil passing through this same orifice keeps the rear fluid velocity governor supplied. b. Converter-In Circuit (yellow—fig. 2-8). In reverse-range operation, the converter-in circuit functions as described in paragraph 2-14b. c. Front Governor (Gl) Circuit (blue, black— fig. 2-8). In reverse-range operation, the front governor circuit functions as described in paragraph 2-14 c. d. Reverse-Range Clutch Circuit (blue, red—fig. 2-8). The reverse-range clutch circuit is supplied, at the manual selector valve, by main pressure. e. Throttle Valve (TV) Circuit (blue, yellow— fig. 2-8). In reverse-range operation, the throttle valve (TV) circuit functions as described in paragraph 2-15f. 2-20. Hydraulic System—High-Range Oper- ation (Manual Selector at 1-2—High- Intermediate Inhibitor Acting) NOTE Inhibitors are safety devices which provide some measure of protection against engine overspeed if the operator inadvertently downshifts above prescribed speed. a. Inhibitor Prevents 3-2 Downshift at Speed (fig. 2-9). Excessive 2-21