Light Recovery Vehicle M578.

The front of the vehicle is sketched here. 1. Crane. 2. Hull. 3. Floodlight. 4. Crane operator's cupola. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

5. Cab. 6. Machine gun. 7. Rigger/gunner cupola. 8. Flasher lamp. 9. Level wind assembly. 10. Slave receptacle. 11. Fixed fire extinguisher control handle. 12. Engine air cleaner access door. 13. Vise. 14. Track. 15. Single boom block. 16. Boom. 17. Tow cables. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

The rear of the vehicle is illustrated here. 1. Antenna. 2. Doors. 3. Drive sprocket. 4. Road wheel. 5. Trailing idler road wheel. 6. Towing pintle. 7. Trailer receptacle. 8. Spade. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

Details of the top of the vehicle are shown. 1. Battery compartment access door. 2. Radiator fill cap covers. 3. Driver's cupola. 4. Air cleaner blower access door. 5. Transmission deck. 6. Transmission oil access door. 7. Engine deck. 8. Engine oil access door. 9. Fan well cover. 10. Diesel fuel fill cover. 11. Hydraulic oil fill cover. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

Major internal components are drawn in this top-down cutaway. 1. Auxiliary drive. 2. Fan. 3. Hydraulic pump. 4. Slip ring. 5. Torsion bar. 6. Lockout cylinder. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

Details and controls for the hull and tow winch are drawn here. 1. Tow bar bracket. 2. Engine compartment hull drain valve handle. 3. Fuel fill cover latch. 4. Radiator fill cover latches. 5. Tow winch access door latch handle. 6. Tow winch door hold open catch. 7. Battery compartment access door handle. 8. Slave receptacle. 9. Fixed fire extinguisher control handle. 10. Air filter basket lock lever. 11. Vise mounting plate. 12. Engine air cleaner door handle. 13. Cupola cover open position latch. 14. Impact wrench flow regulator valve control handle. 15. Impact wrench quick release couplings. 16. Impact wrench selector valve handle. 17. Air cleaner access door handle. 18. Cupola cover outer handle. 19. Driver's periscope M17. 20. Front tow hook. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

Further details of the cab are drawn here. 1. Tow winch. 2. Boom, winch, and cab controls. 3. Boom winch. 4. Hydraulic oil reservoir. 5. Radio and intercommunication equipment. 6. Gas-particulate filter unit. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

The driver's controls are drawn in this picture. 1. Vehicle steering bar. 2. Parking brake handle. 3. Hand throttle control. 4. Transmission shift control. 5. Accelerator pedal. 6. Service brake pedal. 7. Headlight dimmer switch. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

The crane operator and rigger's controls are here, looking from behind their seats towards the front of the cab. 1. Vertical adjusting handle, operator or rigger seat. 2. Horizontal adjustment knob, operator or rigger seat. 3. Traversing brake pressure selector valve. 4. Periscope M17. 5. Dome light switch. 6. Gas-particulate air purifier switch. 7. Boom winch shift control lever. 8. Tow winch shift control lever. 9. Load rating capacities instruction plate. 10. Utility outlet. 11. Floodlight switch. 12. Flasher indicator lamp. 13. Flasher switch. 14. Level wind switch. 15. Filter bypass indicator light. 16. Boom cylinder control handle. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

17. Tow winch control handle. 18. Boom winch control handle. 19. Traversing foot pedal. 20. Hydraulic ram hand pump handle. 21. Quick disconnect coupling with cap. 22. Tow winch brake pressure selector vavle. 23. Boom winch brake pressure selector valve. 24. Boom cylinder. 25. Boom winch hydraulic motor. 26. Boom cylinder bypass valve. 27. Intercommunication control box. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

The open engine compartment is shown here, with the front of the vehicle facing left. 1. Power plant. 2. Engine. 3. Radiator. 4. Engine oil fill. 5. Auxiliary drive oil fill and level. 6. Engine oil level. 7. Generator. 8. Primary fuel filter. 9. Air purge and fuel prime solenoid. 10. Secondary fuel filter. 11. Final drive. 12. Transmission. 13. Transmission fill and level. 14. Transmission oil screen. 15. Power plant reservoir. 16. Engine oil filters. 17. Aeration detector. 18. Turbocharger. (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578.

The vehicle used clutch-brake steering in forward ranges 1 and 2 and reverse range 1, with the vehicle pivoting around a locked track, while geared steering was used in forward ranges 3 and 4 and reverse range 2. For clutch-brake steering, the minimum for radius A is 13'5" (4.09m), B is 16'10" (5.13m) and C is 30" (76cm). For geared steering in forward range 3 at 15mph (24kph), the minimum for A is 36'2" (11.0m), B is 41' (12.5m) and C is 29' (8.8m). (Picture from TM 9-2350-238-10 Operator's Manual for Recovery Vehicle, Full-tracked: Light, Armored, M578.)

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Light Recovery Vehicle M578 belonging to the Patton Museum of Cavalry and Armor.

The parentage of the M578's hull is immediately obvious once it is compared to the M107 and M110 artillery pieces. The armored rotating cab replaced the ordnance, but the hulls are the same. The cylinder on the right side of the cab is for oxygen; an acetylene cylinder is placed just inboard of the oxygen tank. The placement of the 60,000lb (27,000kg) winch access door is just below the crane boom in the cab front. Some of the M17 periscopes in the crane operator's cupola can be seen above the oxygen tank and floodlight. The indentation in the lower left bow is a step for the driver.

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Light Recovery Vehicle M578 at the Fort Indiantown Gap, Pennsylvania, National Guard Training Center.

A large door dominated each side of the cab. Pioneer tools were stowed on the front slope of the cab to the left of the crane boom, and a flasher light was perched above this stowage near the roof. The mount for the .50cal machine gun can be seen on the left-hand vision cupola, under which sat the rigger. The doors in the fender above the second and third road wheels provided access to the engine's air cleaners. The two 10' (3m) tow cables stowed on the vehicle could safely handle 110,000lb (50,000kg). (Photo by Richard S. Eshleman.)

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Light Recovery Vehicle M578 at the Fort Indiantown Gap, Pennsylvania, National Guard Training Center.

The cab's twin rear doors are shown here. On the left side of the cab rear were shelves for stowage of two gasoline cans, and a tool locker was mounted on the opposite corner of the cab rear. The rear stabilizing spade can be seen just under the cab in its raised position. (Photo by Richard S. Eshleman.)

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Last updated 24 Aug 2016.
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