TM-9-2520-270-34
HYDROMECHANICAL CROSSDRIVE, TRANSMISSION HMPT 500 AND TRANSMISSlON CONTAINER ASSEMBLY
TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE
NOVEMBER 1984
TM-9-2520-270-34 - Page 21 of 933
TM 9-2520-270-34
HEADQUARTERS
Technical Manual
DEPARTMENT
OF THE ARMY
No, 9-2520-270-34
Washington, D.C,, 6 November 1984
TECHNICAL MANUAL
INTERMEDIATE DIRECT AND GENERAL SUPPORT MAINTENANCE
HYDROMECHANICAL CROSSDRIVE
TRANSMISSION HMPT 500 AND
TRANSMISSION CONTAINER ASSEMBLY
Reporting Errors and Recommending Improvement
You can help improve this manual, If you find any mistakes, or if
YO U
know a way to improve the procedures, please let us know. Mai l
your letter, DA Form 2028 (Recommended Changes to Publications
and Blank Forms),
or
DA
Form
2028-2
located
in
the
back
of
this
manual, direct to: Commander, U.S, Army Tank-Automotive Com-
mand, ATTN: AMSTA-MB, Warren, Michigan 48397-5000. A reply will be
sent to you.
TABLE OF CONTENTS
HOW TO USE THIS MANUAL
. . . . . . . . . . . . . . . . . . . .
CHAPTER
1
INTRO DUCTION] . . . . . . , , . . . . . . . . . . . . . . . . . . . .
Section
l General Information . , . . . . . . . . . . . . . . . . . . . . . . . .
II Equipment Description and Data . . . . . . . . . . . . . . . . . . .
CHAPTER
2 G
ENERAL
MAINTENANCE PROCEDURES. . . , . . . . . . . . .
Section
I Repair Parts, Special TooIs, and Support Equipment . . . . . . .
II Service Upon Receipt . . . . . . . . . . . . . . . . . . . . . . . . .
Ill General Maintenance Instructions . . . . . . . . . , . . . . . . . .
IV Inspection Trees . . . , . . . . . . . . . . . . . . . . . . . . . . . .
V General Tasks. . . . . . . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . .
CHAPTER
3
INTERMEDIATE DIRECT SUPPORT
MAINTENANCE INSTRUCTIONS .
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Section
I Transmission Assembly . . . . . . . . . . . . . . . . . . . . . . . .
II Left-Hand Hydraulic Assembly . . . . . , . . . . . . . . . . . . . .
Ill Right-Hand Hydraulic Assembly . . . . . . . . . . . . . . . . . . .
IV Oil Filter Cover Assembly (Deleted) . . . . . . . . . . . . . . . . .
V Makeup Pump Fluid Regulating Valve . . . . . . . . . . . . . . . .
VI Controller Assembly . . . . . . . . . . . . . . . . . . . . . . . . . .
Change 3
i
VI
Special Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii
i
1-1
1-1
1-2.1
2.1
2-1
2-1
2-2
2-13
2-143
2-165
3-1
3-1
3-9
3-13
3-17
3-25
3-31
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