Trailer

KEY to fig. 1-1 Sheet 2 of 2):

Low voltage cabinet, rear view

10.

11.

High voltage cabinet, rear view

12.

Spreader bars

13.

Landing gear, operating handle side

14.

Ground rods

15.

Mud flap assembly

16.

Rear bumper assembly

17.

Cable reels lock bar

18.

Cable reel, primary cable

WARNING

Use only the first and third rings on each side of the trailer bed designated as a lifting eye

whenever the trailer must be lifted.

b. Trailer. The trailer is a flat bed type. It has removable front landing gear, rear bumper, and rear .suspension

assembly in order to meet aircraft loading per Air Force Requirement 463L. It has 10 tie down rings, 3 on each side and

2 on each end. The first and third rings located on each side are utilized as lifting eyes. On the forward end of 'he trailer

are two storage cabinets. One (without trays) is for storage of bulk material. The other one with trays is for storage of

spare parts and other small supplies. The removable access ladder (with handrail is stowed on the forward deck when

not in use or enroute. Sockets are provided on the operator's side at 24 inch intervals for installing the railing. Hoisting

sling and spreader bars are provided for use when lifting. The railing stanchion and the hoisting slings are stowed in the

bulk storage cabinet. The spreader bars and ground rods are, stowed on the deck. The trailer is equipped with a 12 volt

lighting system. The lighting cable connector is a standard 7 conductor S.A.E. trucktrailer type connector. A 24 volt

adapter with resistors is also provided at the forward end for lighting systems requiring this voltage. Three trap doors 6

inches by 24 inches are provided for cable entry. One trap door is under the high voltage cabinet for the generator input.

Two trap doors under the low voltage switch gear cabinet are for low voltage output connections. Mounted on the rear

deck of the trailer are two cable reels; one for I/O four conductor 5 KV primary cable and the other for 500 MCM, 600V

cables.

c. High Voltage Cabinet. The high voltage cabinet is a Breakmaster Switchgear (Single unit). It is designed for

outdoor service with provisions for the incoming lines entering from the bottom to terminal connections on the load break

switch located in the top compartment. (fig. 1-2.) The top front panel is hinged and bolted. Two windows allow the

operator to view the switch using a flashlight without reflected glare. A mechanical position indicator is also provided

showing switch position open or closed in the escutcheon over the switch operating shaft socket. A locked removable bar

covers the operating shaft socket. (fig. 2-1.) The switch operating and maintenance handles are stowed in the storage

cabinet on forward end of trailer. The lower compartment of the high voltage cabinet contain the three lighting arresters

and heater. The cabinet is connected mechanically and electrically direct to the transformer and electrically to the low

voltage cabinet for 115 VAC service. (fig. 1-3.)

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