TM 5-6675-328-14
CHAPTER 6
OPTICAL BENCH
SECTION I INTRODUCTION
6-1.
GENERAL INFORMATION.
6-1.1
Scope.
a.
Model Number and Equipment Name. Model 22-4055 Triangular Optical Bench.
b.
Purpose of Equipment. To check distance measuring equipment.
6-2.
EQUIPMENT DESCRIPTION.
6-2.1
Equipment Characteristics, Capabilities, and Features.
a.
Lightweight.
b.
Portable.
c.
Nonmagnetic.
6-2.2
Equipment Data.
Bench
Width
2.24 in. (5.69 cm)
Length
6.58 ft (2.01 m)
Carrier
Width
2.36 in. (6.0 cm)
Pillar
Height
3.15 in. (8.0 cm)
Stem Range
0.39-0.54 in. (9.9-13.7 mm)
6-3.
TECHNICAL PRINCIPLES OF OPERATION . Technical Principles of Operation are combined with Description
and Use of Operator's Controls and Indicators.
6-1