TM-9-2350-277-10 Operator Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-10 DESCRIPTION AND USE OF OPERATOR’S CONTROLS AND INDICATORS — Continued 0004 00 0004 00-39 Change 3 KEY CONTROL OR INDICATOR FUNCTION Table 30. PERSONNEL COMPARTMENT VENTILATOR CONTROL KNOB Push knob up to ventilate; pull knob down to close ventilator valve. NOTE This ventilator is located in the ceiling of the personnel compartment and is used with the front ventilator and the ventilating fan to let fresh air into the personnel compartment.