TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 I–1/(I–2 blank) APPENDIX I HYDRAULIC SCHEMATIC SYMBOLS This appendix provides the hydraulic symbols used on the hydraulic schematic drawings. LINES AND LINE FUNCTIONS LINE, WORKING LINE, PILOT LINE, DRAIN CONNECTOR • LINE, JOINING LINE, PASSING DIRECTION OF FLOW LINE TO RESERVOIR RESTRICTION, FIXED RESTRICTION, VARIABLE BASIC VALUE SYMBOLS PRESSURE REDUCING VALVE BASIC VALVE ENVELOPE BASIC VALUE SYMBOL, MULTIPLE FLOW PATHS FLOW PATHS BLOCKED IN CENTER POSITION MULTIPLE FLOW PATHS (ARROW SHOWS FLOW DIRECTION) RELIEF VALVE, SPRING RETURNED CHECK VALVE MISCELLANEOUS COMPONENTS DIRECTION OF ROTATION (ARROW IN FRONT OF SHAFT) COMPONENT ENCLOSURE RESERVOIR, VENTED PRESSURE GAGE CYLINDER, DOUBLE ACTING KNOB MANUAL ACTUATOR, SPRING RETURNED SOLENOID COMPONENT PORT MOTOR, HYDRAULIC, FIXED DISPLACEMENT PUMP, HYDRAULIC, FIXED DISPLACEMENT GAS (NITROGEN) –OVER– HYDRAULIC FLUID ACCUMULATOR SWITCH, PRESSURE FILTER, HYDRAULIC FLUID MOTOR, ELECTRIC TRAVERSE LEFT TL TRAVERSE RIGHT TR