TM 9-741 1942 Medium Armored Car T17E1

369 Pages·2005·19.6 MB·English

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TM 9-741
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WAR DEPARTMENT
TECHNICAL MANUAL
MEDIUM ARMORED CAR

T17E1

DECEMB4 15, 1942
REGRADEDUNCLAS"IFIED BY
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TM 9-741

TECHNICAL MANUAL l WAR DEPARTMENT
No. 9-741 Washington, December 15, 1942
MEDIUM ARMORED CAR T17E1

Prepared under the direction of the

Chief of Ordnance

(With the cooperation of the Chevrolet Motor Division,

General Motors Corporation)

CONTENTS

PART ONE - Operating Instructions

Paragraphs Pages
SECTION I: Introduction .................
1-5 3-10
II:
Operation and controls ........
6-10 11-24
III:
Armament and ammunition ....
11-14 25-33
IV:
Preventive maintenance ......
15-21 34-39
V:
Lubrication instructions .......
22-27 40-51
VI:
Care and preservation ........
28-35 52-55
VII:
Equipment and tools on vehicle.
36-39 56-63
VIII: Operations under unusual condi­

tions ....................
40-41 64-67
IX:
Materiel affected by gas .......
42-45 68-70
PART TWO - Organization Instructions
X:
Organization maintenance ..... 46-48 71-74
XI:
Tools and equipment ......... 49-50 75
XII: Organization spare parts and ac­
cessories ................. 51-52 76
XIII:
Engines .................... 53-63 77-117
XIV:
Engine ignition system ........ 64-72 118-124
XV:
Fuel system ................ 73-80 125-134
XVI:
Cooling system ............. 81-90 135-149
XVII:
Exhaust system ............. 91-94 150
XVIII:
Fluid coupling .............. 95 151
XIX:
Transmission ............... 96-101 152-177
XX: Transmission gear reduction as­
sembly ................... 102-104
178
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TM 9-741
MEDIUM ARMORED CAR T17E1
PART TWO - Organization Instructions (Cont'd)
Paragraphs Pages
SECTION XXI: Propeller shafts and universal

joints .................... 105-113 179-187

XXII: Transfer case ............... 114-117 188-193

XXIII: Front axle ................. 118-123 194-199

XXIV: Rear axle .................. 124-126 200-203

XXV: Brake system ............... 127-138 204-224

XXVI: Springs, radius rods, and shock

absorbers ................. 139-142 225-229

XXVII: Steering gear ............... 143-148 230-237

XXVIII: Wheels, tires, wheel bearings,

and tire pump ............. 149-154 238-247

XXIX: Batteries and starting system.. . 155-161 248-251

XXX: Generators and controls ....... 162-166 252-256

XXXI: Lighting system ............. 167-177 257-263

XXXII: Instruments and gages ........ 178-184 264-271

XXXIII: Electrical accessories ......... 185-189 272-273

XXXIV: Radio suppression ........... 190-191 274-277

XXXV: Electrical system wiring ....... 192-195 278-306

XXXVI: Turret and traversing system. .. 196-203 307-313

XXXVII: Hull ....................... 204-208 314-317

XXXVIII: Gyrostabilizer ............... 209-234 318-343

XXXIX: Fire extinguishing system ...... 235-238 344-348

XL: Storage and shipment ......... 239-240 349-352

XLI: References ................. 241-242 353-354

INDEX ..................................... 355-368

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TM 9-741
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PART ONE - OPERATING INSTRUCTIONS
Section I
INTRODUCTION
Paragraph
Purpose and scope ..................................... 1

Content and arrangement of manual ....................... 2

References ............................................ 3

Description ............................................ 4

Data ................................................. 5

1. PURPOSE AND SCOPE.
a. This technical manual is intended to serve temporarily (pending
the publication of a more complete revision) to give information and
guidance to personnel of the using arms charged with the operation,
maintenance and minor repair of this materiel.
2. CONTENT AND ARRANGEMENT OF MANUAL.
a. Specific information for the guidance of operating personnel is
contained in section I to section IX inclusive. Information chiefly for
the guidance of organizational maintenance personnel is contained in
section X to section XL inclusive.
3. REFERENCES.
a. All pertinent standard nomenclature lists, technical manuals, and
other publications having reference to the materiel described herein
are listed in section XLI.
4. DESCRIPTION.
a. The Medium Armored Car T17E1 is a four-wheeled, four-wheel­
drive vehicle. The vehicle is operated and controlled in a manner
similar to that of a four-wheel-drive truck. Various automatic features
embodied in the design and the use of power mechanisms assist the
driver in the control of the vehicle.
b. The vehicle is powered by two six-cylinder, valve-in-head, 97
horsepower water-cooled engines. The engines are located side by side
in the rear of the hull providing unrestricted operation of the arma­
ment. The engines can be operated simultaneously or individually.
c. The power from each engine is transmitted through its four speed
hydra-matic transmission and a gear reduction case to a single,
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INTRODUCTION
Figure 4 - Front - Medium Armored Car T17E1
Figure 5 - Rear - Medium Armored Car T17E1

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INTRODUCTION

two-speed, transfer case. Drive shafts transmit the power from
transfer case to the front and rear axles, and thus, to the wheels.
d. The hull is so constructed that a frame is not required. T
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springs, steering gear, transfer case, and other units that would normJ.,
be attached to the frame, are attached directly to the hull.
e. The outside of the hull is constructed of armor plate and is fitted
for mounting the turret.
f. This vehicle is designed for a five man crew. The driver and
assistant driver are in the hull or front compartment; the gunner,
loader, and radio operator are in the turret or rear compartment.
5. DATA.
a. General.
Wheelbase .......................................... 120 in.
Weight with armament (without ammunition, radio,
dunnage, fuel, and crew) ............................. 26,590 lb
Ground pressure, pounds per square inch
0 inch depression .................................... 60.5
4 inch depression ..................................... 17.95
Ground clearance ..................................... 131/4 in.
Tread (center to center of wheels) ................. 89.1 in.
Over-all height ......................................... 92 in.
Over-all length ...................................... 2111/4 in.
Over-all width ........................................ 106 in.
b. Engine (two, valve-in-head).
Rated horsepower (each) at 3,000 rpm ........................ 97
Number of cylinders (each) ................................ 6
Weight of engine with accessories ........................830 lb

c. Armament.
In turret:
37-mm gun ............................................. 1
.30 cal. machine gun (fixed) ................................ 1
In driver's compartment:
.30 cal. machine gun (flexible) ............................ 1
.45 cal. submachine gun ................................. 1
(not mounted)
d. Ammunition.
37-mm ............................. ............. 101 rounds
Cal. .30 ......................................... 5000 rounds
Cablx.C.a4l. 54 5.5.. ............ ............. ea450 ............... 450 rroouunnddss
4 boxes hand grenades (3 grenades each)
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