Medium Recovery Vehicle M88A1.

The front of the vehicle is shown here. The legend is as follows: 1. Right light and horn cluster. 2. Smoke grenade discharger (2). 3. Spade. 4. 90-ton (81.6-metric ton) snatch block. 5. Main winch cable opening. 6. 25-ton (22.7-metric ton) snatch block. 7. Flasher light. 8. Lifting eyes (2). 9. Left light cluster. 10. Towing eye. 11. Towing lug (2). 12. Track (2). (Picture from TM 9-2350-256-10 Operator's Manual: Recovery Vehicle, Full-Tracked: Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The left side of the vehicle is diagrammed in this image. 1. Cal. .50 machine gun. 2. Machine gun mount. 3. Commander's cupola. 4. Left side personnel door. 5. Boom. 6. Tarpaulin and 100-ft (30.5-m) rope. 7. Crow bar (2). 8. Bumper spring (4). 9. Left side stowage compartment door. 10. Tow bar. 11. Roadwheel (12). 12. Shock absorber (6). 13. 10-ton (9.1-metric ton) snatch block. (Picture from TM 9-2350-256-10 Operator's Manual--Recovery Vehicle, Full-Tracked: Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The right side of the vehicle is detailed here. 1. Boom support and latch. 2. Right side stowage compartment door. 3. APU compartment door. 4. Right side personnel door. 5. Antenna. 6. Compensating idler wheel (2). 7. Track tension adjusting link (2). 8. Track support roller (6). 9. Pioneer tools. 10. Drive sprockets (2). (Picture from TM 9-2350-256-10 Operator's Manual--Recovery Vehicle, Full-Tracked: Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The top of the vehicle is the subject of this drawing. 1. Auxiliary power slave receptacle. 2. Vise. 3. 90-ton (81.6-metric ton) snatch block. 4. Oxygen cylinder. 5. Left side air intake screen. 6. M17 periscope (7). 7. Rigger's hatch. 8. Driver's hatch. 9. AN/VVS-2(V)1A periscope, M24 periscope, or M24A1 periscope. 10 Hoist winch cable access door. 11. Mechanic's hatch. 12. Spotlight. 13. Right side air intake screen. 14. Tow cable (2). 15. Exhaust deflector. (Picture from TM 9-2350-256-10 Operator's Manual: Recovery Vehicle, Full-Tracked--Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The rear of the vehicle is shown here. 1. Rear taillight. 2. Rigger's light. 3. Lifting eye. 4. B.O. [blackout] marker light. 5. Tow bar. 6. Lifting chain. 7. Towing pintle. 8. Towing lug. (Picture from TM 9-2350-256-10 Operator's Manual--Recovery Vehicle, Full-Tracked: Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The driver's position and controls are show in this diagram. 1. Dome light. 2. Driver's interphone control box. 3. Horn button. 4. Steering wheel. 5. Driver's hatch control. 6. Switch panel. 7. Transmission shift lever. 8. Drain valve lever. 9. Hydraulics control panel. 10. Main winch shift lever. 11. Auxiliary power unit (APU) control box. 12. Vehicle exhaust smoke system. 13. Night viewer receiver light system. 14. Accelerator pedal. 15. Dimmer switch. 16. Brake pedal. 17. Spade locking release handle. 18. High beam indiactor. 19. Purge pump handle. 20. Manual fuel shutoff handle. 21. Engine hand throttle. 22. Gage panel. 23. Personnel heater control box. 24. M17 periscope. (Picture from TM 9-2350-256-10 Operator's Manual--Recovery Vehicle, Full-Tracked: Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The hydraulics controls are drawn in this picture. 1. BOOM operating lever. Used to move boom up or FORWARD, HOLD, or RETRACT-STOW. Spring loaded to stay in HOLD. 2. SPADE operating lever. Used to RAISE, LOWER and HOLD spade. Spring loaded to stay in HOLD position. 3. SYSTEM SELECTOR control lever. Selects auxiliary (AUX) and MAIN hydraulic systems. REFUEL position for refuel-defuel operations. It locks in desired position. 4. MAIN WINCH operating lever. Selects PAYOUT, HOLD, AND INHAUL of main cable. Spring loaded to stay in HOLD position. 5. POWER control lever. To turn main hydraulic pump ON or OFF. 6. BOOM SAFETY control lever. Selects STOW or LIVE. Spring loaded to stay in LIVE position. 7. HOIST WINCH operation lever. Selects LOWER, HOLD, and RAISE for hoist cable. It is spring loaded to stay in HOLD position. 8. MAIN WINCH SHIFT lever. Selects LOW, NEUTRAL, or HIGH main winching speeds and locks in desired position. 9. HOIST WINCH SHIFT lever. Selects LOW, NEUTRAL, or HIGH hoisting speeds. It locks in desired position. Located right rear of driver on floor. (Picture from TM 9-2350-256-10 Operator's Manual--Recovery Vehicle, Full-Tracked: Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The pattern of smoke emitted from the grenade lauchers is sketched here. (Picture from TM 9-2350-256-10 Operator's Manual--yRecovery Vehicle, Full-Tracked: Medium, M88A1.)

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Medium Recovery Vehicle M88A1.

The engine deck is diagrammed here. The front of the vehicle is to the left of the drawing. 1. Right engine deck door. 2. Left- and center-front air inlet grilles. 3. Deep water fording exhaust cover plates. 4. Left and right exhaust doors. 5. Center exhaust doors. 6. Exhaust deflector. 7. Left and right hydraulic cylinder access covers. 8. Air inlet door. 9. Left and right deck air inlet doors. (Picture from TM 9-2350-256-20-1 Unit Maintenance Manual for Recovery Vehicle, Full-Tracked: Medium, M88A1 Vol. I.)

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Medium Recovery Vehicle M88A1.

The internal components are revealed in this cross-sectional sketch. 1. Hydraulic control panel. 2. Driver's and mechanic's seats. 3. Commander's seat. 4. Rigger's seat. 5. Personnel heater. 6. APU [auxiliary power unit]. 7. Engine. 8. Cross-drive transmission. 9. Fuel tank installation. 10. Mechanical transimssion and hydraulic pump assemply. 11. Hoist winch. 12. Fixed fire extinguisher system. 13. Main winch. (Picture from TM 9-2350-256-20-1 Unit Maintenance Manual for Recovery Vehicle, Full-Tracked: Medium, M88A1 Vol. I.)

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Heavy Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

The ballistic skirts and other additional armor increased the M88A2's weight to the point that it could better deal with the Abrams tanks. The .50cal MG is mounted on the commander's cupola, and the lifting boom is raised. Spare track blocks are stowed on the side of the cab, and a snatch block is stowed behind these.

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Heavy Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

Details of the rigging of the lifting boom can be gleaned from this image.

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Heavy Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

The auxiliary winch that helped with outlay of the main winch cable was mounted on the front of the vehicle. The driver and mechanic were provided with vision blocks around his hatch and one each in the front slope of the cab. The opening for the main winch cable can be seen at the bottom of the picture.

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Heavy Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

The rear of the vehicle is shown here. The tow bar and lifting chain are stowed on the rear, and extra road wheels and drive sprockets are mounted to the sides of the vehicle. The twin exhaust doors flank the boom support.

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Heavy Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

Details of the drive sprocket and mounting of the ballistic skirts are shown here.

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Medium Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

A close-up of the vise mounted on the left rear of the vehicle is provided here. Note the vision block in the rear of the cab, just visible to the left of the image.

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Heavy Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

The commander's seat is lowered beneath his cupola here. The red toggle switch below the commander's cupola was for arming the vehicle's smoke grenade launchers.

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Heavy Recovery Vehicle M88A2 HERCULES at Fort Knox, Kentucky.

Looking forward to the driver's and mechanic's positions, we can see the transmission shift lever and the hydraulics control panel detailed above.

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Last updated 19 Oct 2013.
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© Copyright 2013 Chris Conners