Section I. INTRODUCTION
a. This technical manual contains operating and maintenance instructions
with parts breakdown for the gasoline engine driven Hydraulic System Test
Stand Type D-5B.
b. Appendix A contains the Maintenance Allocation Chart. The chart
assigns the maintenance functions and repair operations to be performed
by the lowest appropriate maintenance level.
c. Appendix B consists of supplementary engine operation and maintenance
instructions. These instructions have been included as an appendix since
they represent a separate self-contained engine manual.
d. Appendix C consists of supplementary hydraulic pump instructions.
These instructions have also been included as an appendix since they represent
a separate self-contained pump manual.
1-2. Reporting of equipment publications improvements. The reporting of
errors, omissions, and recommendations for improving this publication by
the individual user is encouraged. Reports should be submitted on DA Form
2028 (Recommended Changes to Publications) and forwarded direct to Command-
ing General, US Army Aviation Systems Command, ATTN: AMSAV-M, PO Box 209,
St. Louis, Missouri 63166.
1-3. Forms and Records
Maintenance forms, records and reports which are to be used by maintenance
personnel at all maintenance levels are listed in and prescribed by TM 38-750.
1-4. Purpose. The test stand (Fig-1) is designed to flush or fill the
aircraft hydraulic system with micronically filtered hydraulic oil. It
also tests the aircraft's hydraulic systems and provides hydraulic pressure
for testing the systems without aircraft engines in operation.
is of a welded steel construction furnished with a hinged drawbar (12 Fig-1)
provided to insure good riding qualities without materially increasing
rods (10 Fig-2) and king pins, is used to provide positive steering. Rear
wheels are equipped with mechanical parking brakes, set by the brake lever
assembly (14 Fig-1) to