TM 9--2350--292--100005 00--7THEORY OF OPERATION -- CONTINUED0005 00HYDRAULIC SYSTEMSDOperator’sControlValveManifold (1) -- contains the directional control valves that allow the operator tocontrol the hydraulic systems.DPowerTakeoff (PTO) (2) -- mechanically connects the main engine to the electromagnetic clutch.DElectromagneticClutch (3) -- when engaged manually or by the PTO CLUTCH switch, directs powerfrom the main engine via the PTO to the hydraulic pumps.DHydraulicPumps (4) -- provide hydraulic pressure to operate the hydraulic system.DFilterValveManifold (5) -- directs hydraulic fluid through two hydraulic filters.DHoistWinch (6) -- capable of hauling a maximum load of 70,000 lbs (31,780 kg) with a four part line.Wound with 225 ft (68.58 m) of .75 in. (0.019 m) steel cable with a useable cable length of 41 ft (12.5 m).Use with hoisting boom.DMainWinch (7) -- used for heavy--duty recovery operations. Capable of winching a maximum load of140,000 lbs (63,560 kg) with four wraps on the drum. Wound with 320 ft (97.53 m) of 1.4 in. (0.0356 m)steel cable with a useable cable length of 280 ft (85.34 m).DLevelWinder (8) -- controls the cable placement on the main winch drum.DAuxiliaryWinch (9) -- used to deploy the main winch cable during recovery operations. Wound with 670ft (203.60 m) of .375 in. (0.00952 m) steel cable with a useable cable length of 654 ft (199.34 m).123456789
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