Chapter 1. INTRODUCTION - TM-55-4920-373-14-P0010

TM 55-4920-373-14&P

CHAPTER 1

INTRODUCTION

SECTION I

GENERAL INFORMATION

1-5. MAINTENANCE FORMS AND RECORDS.

1 - 1 . GENERAL.

1-2. This publication is issued as the operating in-

1-6. Maintenance forms, records and reports

structions, organizational, d i r e c t s u p p o r t a n d

which are to be used by maintenance personnel at

general support maintenance of the gasoline

all maintenance levels are listed in and prescribed

engine driven Hydraulic Test Stand TYPE D-5B,

by TM 38-750.

S t o c k Number 4920-144-5581 manufactured by

U n i t e d Manufacturing Company Division, UMC

1-7. REPORTING ERRORS AND RECOM-

Electronics Company, North Haven, Connecticut,

MENDING IMPROVEMENTS.

Manufacturer's designation i s T e s t S t a n d ,

Hydraulic System, Gasoline Engine Driven, Type

1-8. You can help improve this manual. If you

D-5B.

find any mistake or if you know of a way to im-

prove the procedure, please let us know. Mail your

1 - 3 . SCOPE.

letter, DA Form 2028 (Recommended Changes to

1-4. The purpose of the test stand is to provide an

Publication and Blank Forms), or DA Form 2028-2

external means to test and monitor aircraft

located in the back of this manual directly to: Com-

h y d r a u l i c system component performance. This

m a n d e r , US Army Troop Support and Aviation

test stand is mobile, contains its own reservoir and

M a t e r i e l Readiness Command, ATTN: DRSTS-

provides m a n u a l r e g u l a t i o n o f v o l u m e a n d

M T P S , 4300 Goodfellow Blvd., St. Louis, MO

pressures of hydraulic fluid through a micro-filter

63120. A reply will be furnished to you.

without employing the aircraft's own power.

SECTION II

DESCRIPTION AND LEADING PARTICULARS

the required fluid flow at regulated pressures and

1-9. DESCRIPTION. (See figure l-l.)

monitoring devices. The Cabinet Assembly (item

2, figure 1-2), covers the test stand. It protects the

1-10. The test stand is a self-contained, mobile,

i n t e r n a l assemblies from weather. Doors on the

h y d r a u l i c testing unit. It is enclosed in a steel

Cabinet Assembly allow access to internal

w e a t h e r resistant cabinet, mounted on a trailer

assemblies and permit required ventilation during

assembly. The trailer is equipped with individual-

operation.

ly suspended wheels, hand operated parking

brakes, and a hinged tow bar to permit towing with

1 - 1 1 . FUNCTION.

a vehicle. Two main assemblies (items 1 and 2,

1-12. T h e f u n c t i o n o f m a j o r c o m p o n e n t s

figure 1-2) and associated hydraulic cables make

assemblies of the test stand are described in tables

up the test stand. (See figure 1-2 through 1-5.) The

1-1 through 1-5 and the location is shown in figures

Unit Sub-Assembly (item 1, figure 1-2) contains all

1-3 through 1-7.

n e c e s s a r y components and assemblies to provide

Change

1-1