TM 9--2350--292--10
0005 00--7
THEORY OF OPERATION -- CONTINUED
0005 00
HYDRAULIC SYSTEMS
D
Operator’s Control Valve Manifold (1) -- contains the directional control valves that allow the operator to
control the hydraulic systems.
D
Power Takeoff (PTO) (2) -- mechanically connects the main engine to the electromagnetic clutch.
D
Electromagnetic Clutch (3) -- when engaged manually or by the PTO CLUTCH switch, directs power
from the main engine via the PTO to the hydraulic pumps.
D
Hydraulic Pumps (4) -- provide hydraulic pressure to operate the hydraulic system.
D
Filter Valve Manifold (5) -- directs hydraulic fluid through two hydraulic filters.
D
Hoist Winch (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.
D
Main Winch (7) -- used for heavy--duty recovery operations. Capable of winching a maximum load of
140,000 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).
D
Level Winder (8) -- controls the cable placement on the main winch drum.
D
Auxiliary Winch (9) -- used to deploy the main winch cable during recovery operations. Wound with 670
ft (203.60 m) of .375 in. (0.00952 m) steel cable with a useable cable length of 654 ft (199.34 m).
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