1. DEPARTMENT OF THE ARI" TECIIIII iiiitaoiiK m1/4 -TON,4 x 4 UTILITY TRUCK M38(WILLYS-OVERLAND)DEPARTMENT OF THE ARMY - SEPTEMBER 1950RESTRICTED

2. RESTRICTEDDEPARTMENT OF THE ARMY TECHNICAL MANUALSGV TD1/ 4-TON,4 x 4 UTILITY TRUCK M38(WILLYS-OVERLAND)DEPARTMENT OF THE ARMY 0 SEPTEMBER 1950L-"ni'Itd Slam Cownimtn:Printing Oct Washington :I950RESTRICTED 3. DE1ARTMEN'l OF THE ARMY W. SHINGTON 25, D.C. , 29 Septmiiber 1950TM 9-804 is published for the information and guidance of all concerned. [AG 451 (25 Scp 50)]BY ORDER or rm;SECRETARY or Tm:ARMY: OFFICIAL:J .LAWTON COLLINS EDVARD F.TTSELL C/ iftj of Slq,Uliitul Status Army Jlajor Gieueral,USA The Adjutant GeneralDISTRIBUTION: Tech Sv (2) except 9 (25);Arm & Sv Bd (2);AFF (2);OS Maj Comd (10);Base Comd (2);.IDW (3);A (20);CHQ (:2);D (2);R 5, 7 (1);9 (2);17 (1);Bn 2, 3, 5-8 (1);9 (2);10-12, 17, 19, 44, 55 (1);C 2, 3, es (1);9 (2);10-12, 14, 17, 19, 23, 30, 44, 55, 71 (1);FC (1);Sch (5) except 9 (50);Gen Dep (1);Dcp 9 (3);PE (0rd 0) (5);OSD (1);PG 9 (3);Ars 9 (3);Dist.9 (3);SPECIAL DISTRIBUTION. For explanation of (llSt! '1I)llCl011 formula.see SR 310901. 4. CHAPTER 1 .INTRODUCTIONSection I .II. CONTENTSGeneral ,.. ... ... ... ... .. - - . ... ... ... ... . _ _ Description and dim . ... ... ... ... ... ... ...- -1-2 3-5cu-mma 2. OPERAUNG msfkuciwonsSection I.II.III. I V.CHAPTER 3.Sadion I. 11. 111.I V. V. V1. VII.rm.IX. X. x1. XII.X111. . '1 11'.xiv.xvz. . ' vn.XVIII.xix.XX.-XXI-, .~ XXII.xxm.XXI V.xx V.xx w..x'xrrI..x: xvm. XXIX.XXX. 15-9 10-22 23-26 27-33Sex-vice upon"recei1'it 6'!mafriol- - - - -r. :. - -: . - - - _ Controls and ixistruments . ... ... ... ... ... .. ._ Operation under usual.cohd1tions-_ ;- . _ - . ~.~ - ;- ;-Operation under-untii1nl'%6iiditioris-_-. ,. _______ __ ORGANIZATIONAL MRIN'r'i~liANC.IN-STRUC-'TT. ON$ .Parts,speinla; i'r1ii"eqix'ipmeii't for organ- i~zationa. l_mAinten'anoe--. - _ ._ -,.. ... .. - 4 - _ - -_ _ Lubrication and paintiiig-. _ . ... ... ... ... ... . _ _ Preventive . ... ... ... . _ -Troubleialiooting . ... ... ... ... ... ... ... ... . - _Engine description.and.maintenance in vehile;Povi'er pluit teinoVli1.tfi'iid3instlillT1!. ii3n . ... ..._- 74-1312 Engine removal urduinstallation .. .. ._ _ ._ .. _ - - 113-115 C1utch_= ; _'. r., . . .r. *. - - : - .- - -".. .. .. ._ _ _ .. _ .. .- '= Fuel ays'tem-, - _ - _.., ,,. ,. _ - - _, .,.-,.. ... ... ... . _ - 121-125 Exhaust system . ... ... ... ... ... ... ... ... . - - 126-128 CoolingsytHii1.--, ~,, ------. - " ' I V Ignition Byatm- .- - _ StartingGnersting-s; ystem" 'Irana_I_n ission .- - -1-34-35 40-43 44-53 64-737 _. -.. l._. ,, .. .. ._. ,., _.- __ 145-148 'I. 1IuDdTV-_-. e;~-_. --. '-. _-..-. '.. -~. " _ _ .. _ _ ._ .-: ---Ifropgller shafts . ... ... ... ... ... ... ... ... . -- 153-l5 F| '0!]t'8Xl0 .. .. 1 .. .. .. .. -= _ - - _r. s:. . . x. v.V- :5 .- - - - 156-I67 Rairaxl _ .. .. ._ .. _ .. .--, -_--4 .. _ _ _ .. _ _ _ .. _ -_ I68-I75Brakes . ... . _ -1 .. .. .. .. .. _. ... ... ... .. - .376-182 Spring:ind shook-il''6i-bars __________183-+187 Steering s"y'st. em-----__. _---' . ... ... . --7 . ... . -, _,- 18'8-193 Batteries and ligliting system . ... ... ... .. -. :. _ 194-202 Wheels'and'tir($_, .-___,. .. .. .. .. .. .. .. ,. -: _-- 203-205.. .1 . _ . __ 206-210 Radio intaffefgnoe aup}Sress"ion- . _- .. .- - - .. '2l71212 Wiring,cirguitfs,and; . -. _ ;21'3215 Instrument clustef,gagbsg switvches: ~ Eng sendsing i1nits--, ----, - . :. '.T. :.. ,..7 ; ., ;~-: . - . T.. .. . 216-229 Body and frune. .. --.4 (,1230-241 Maintenance unwstr er ii-e-6?iditioiis2142-249:gr-rA-PIER 4. SHIPMENT ANo"| I'mTE6 Sroniiv ANDii= dion T.I I .NPFENDIX. lNDEX. ... ... .nesrnucri _1 E .ToTENEMY use Shiinnent.and = t3oI'. g>.---, - _ - - . ... ...- _ 25(}25-1, Dstruotion oT"! iintriel"5to pie.