Bomb Trailer M5 - TM 9-760 War Department Technical Manual

1. Scope. — a. This manual is published for the information and guidance of the using arms and services and ordnance maintenance personnel.

b. In addition to a descrijition of the bomb trailer M5, this manual contains technical information required for the identification, use, and care of the materiel.

c. Disassembly, assembly, and such repairs as may be handled by using arms personnel will be undertaken only under the su jervision of an officer or the chief mechanic.

d. In all cases where the nature of the repair, inodification, or adjustment is beyond the scope or facilities of the unit, the responsible ordnance service should be informed in order that trained personnel with suitable tools and equipment may be provided, or proper instructions issued.

2. Characteristics. — The bomb trailer M5 (fig. 1) is a castered third-wheel trailer which is designed to meet low loading and ease of handling requirements. The front caster wheel unit permits turning the vehicle in its own tracks. Trailers may be connected in trains behind a prime mover for operation at fairly high speed. The front of the hitch yoke is provided with a reversible lunette which may be attached to the rear pintle of another I i-ailer or a prime mover. The vehicle is provided with electric brakes and truck-type tires with Weight of trailer empty 2,000 pounds.

Weight loaded 7,000 pounds.

Front wheel tread 10 inches.

Rear wheel tread 80 inches.

Size of deck 5 feet 8 inches by Height of deck loaded 21i inches.

Maximum speed (highways). 45 miles per hour.

Maximum speed (cross country) 20 miles per hour.

Figure 1. — Bomb trailer M5, rear view.

Figure 12. Bomb trailer M5. with caster iiuit turned.

Attaching to prime mover or other trailer 4. General. — Before operating the trailer it should be inspected as outlined in paragraph 12. The number of trailers permissible in a train is dependent upon operating conditions. Under ideal conditions as many as five trailers may be towed behind a prime mover at one time.

5. Attaching to prime mover or other trailer. — a. Lunette. — The lunette (fig. 3) is reversible to allow for a variation in the height of the pintle on the prime mover. When attaching the lunette to the pintle, the lunette should be in the position which permits the hitch yoke (fig. 4) to be as level as possible.

h. To connect lunette to 'pintle. — (1) Pull out cotter pin.

(3) While latch is held up, raise pintle lock enough to allow lunette to enter.

(4) Release lock by raising latch and pulling forward to lock in place.

(5) Replace cotter pin to prevent accidental release of latch.

c. To reverse lunette. — (1) Remove cotter pin and nut (fig. 4) from hitch yoke bolt.

(2) Remove four bolts on trailers which have a square pad on the hitch yoke.

(3) Reverse lunette and reassemble.

6. Stabilizer assembly. — 'Flie stabilizer (fifj. 4) minimizes the tendency for tlie vehicle to “pitch” on rough roads. The adjusting screw may be used to increase or decrease the hitch load on the rear of the prime mover. This adjustment depends on the load conditions under which the trailer may be operating.

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