48837 p38 (9)

g

Valuc Sfem - Guide ciearanee .0035' łc .0055"

Afłer rcfabng Cylinder seat and VaJve face. cuł or gr.nd odd^enal clearance HERC as needed to ałła»n perfect matobng of top edges of .Cyknder seat and Valve face

mafc^ng ot top edges ot .C wSen Valve is lully cbscd V

When fifłing a new Piston, measire Piston wiłh micro -mcter at bołłom of łkirf, front fo rear (acro» thrust faces). Measure Cyinder borę wiłh inside micrometer. Piston sKould be .OO^fo .002*smalier łban Cylinder. If a fil yiłtSn these leniłs cannoł be atłained wiłh partj and foeiliłies at band, lt is pneferable to allow morę cbarancc ratoer łhan less.

Notę: bside and outvde rocrometers jsed fon Cylinder -Pisłon fittng should frsł be checked togetoer ło be surę tbey a'e abjustod to read e^acłty H»e same.

ITEM NIJMBER

PART

NLM3ER

NUMBER

USED

OESCRIPTION

260-34

263-38

2

2

PISTON CCMPRESSON RING

PISTON OL CONT

ROL RING

Fił w.to.0l0‘tojQ20"gao; .004'side clear-ance n grocwes Owsijes same as Pułon, Iłem Z-

165-32

163-32

EXHAUST VALVE INTAKE VALVE

Irtake L E*baust Valve$ same dimensons buł must noł be nhr changed. Head da. I ⁵/o; face ana le_45j. storn da. .339\L340; elear arce h Guide .0035 to.0055.

ITEM NbMBER	PART NUMBER	NUMBER USED	OESCRIPTION		8	UL 166*4!	4	* L ' L i i i ^1 \ i ^1 • u* • •«/ -w VALVE GUIDE* 1941& Lator 1 .3445' Ream
					-S~ -	KIttfrHi	~~2T '	SPRING CfiJtR ASBESTOŚ GASkCT
1	2-40M	1	FRONT CYLINDER	Standard borę 2.7445" to 2.7455" Oversize limil .070*	10	173-31	4	UPPER C0VER - 1940
	3.40M	J	REAR CYUNDER			173-41	4	UPPER GOVER - 1941 and Later
2	253-29A	2	PłSTCfJ (Corrplełe wiłh iłem* 3A5&6). O/eoize Pi$łons ava4able: .005* 0l0;.020;.030;.O4O;.050:O6C‘&.070'W0Crło.0C2'cbcrancf in Cvhnder		II	175-29	4	COMPOS^lON GASKET BeWen Uroer and Loner Covers
					12	174-31	4	LOWER COVER
3	275-32	2	PISTON PIN Daznełer .7915, Ligbt band p^ss fil a fiston .001 clearance *1 Connecłmg Rod beanng. 0^si2e Pms availabe: .002*. .004: .ooe: .008: oto' & .012:		13		4	VALVE SPRING 1940. Free le-atb 2 *i. 85to95 DOunds & 1^5/t\
						158-41	4	VALVE SPR1NG-I941 & Later. Free lenath 2'Jtf. 95to lOSpounds® 1 VS.
					14	170-30	4	SPRING COLLAR
4	280-32	4	PISTON PIN LOCK RING Do noł 'e-u*e Lock Ring* afłcr 'enwng froro Pm; replacc wiłh new.		15	172-30	4	SPLIT KEYfPAlRI
					16	176-26	4	LOWER COVER SEAT GAS^ET

46 "V" TYPE ENGINE UPPER END ASSEMBLY

ILLUS. 27