Section II. EQUIPMENT DESCRIPTION AND DATA

ARMY

TM 9-6650-235-13&P

MARINE CORPS

TM-08552A-13&P

Section II. EQUIPMENT DESCRIPTION AND DATA

CAPABILITIES AND FEATURES:

1-8.

EQUIPMENT CHARACTERISTICS,

CAPABILITIES, AND FEATURES.

Operates on either 24-V dc or 115-V

CHARACTERISTICS:

ac.

Self-contained.

Will assemble to a length of 28 ft

(8.53-m) for inspecting the longest

Transportable by one person

of bores.

(unassembled)

Will inspect bores from 58-mm

Weighs 85 lb (38.56 kg).

through 8-in.

Case dimensions are 11 x 13.5 x

47 in. (0.28 x 0.34 x 1.19 m).

1-9.

LOCATION AND DESCRIPTION OF MAJOR

COMPONENTS.

a. Eyepiece Assembly (1). This assembly is

located in the adapter tube assembly. A rubber

eyeshield is provided to form a light block. The outside

eye-piece sleeve has a helical lead groove in which a

setscrew acts as a detent to prevent the eyepiece

assembly from falling out of the adapter tube assembly.

b. Adapter Tube Assembly. This assembly

connects the eyepiece assembly to the borescope

EYEPIECE ASSEMBLY

extension tube, or objective tube assembly, depending

on the length of the bore to be inspected. The body of

the adapter tube assembly houses the circuit breaker(s)

(1) for 24- or 115-volt operation, the electric light control

(2), and the electrical receptacle connector (3) for the

power cord(s). The adapter tube assembly revolves on

the adapter tube and contains spring loaded plunger

contacts which maintain the electrical connection. This

assembly also houses the indicator light (4), a blacklight

lamp switch (5), and an electrical system schematic

diagram (6). The blacklight switch is used only at depot

level and will not be addressed in this manual.

ADAPTER TUBE ASSEMBLY

1-2