Deutz BFM 1008F Service Manual

II DISASSEMBLY/REASSEMBLY

CAMSHAFT LOBE SPECIFICATIONS
NOTE: The camshaft shown in the fig
However, the cam lobes are identica
engines. The cam lobes are slightly
shown in the data below.
H- F2/3/4M 1008 = Valve Lobe (intake
H- BF4M 1008, Intake Lobe			= 29.438
H- BF4M 1008, Exhaust Lobe			= 29.778
H- USEABLE Limit (All Models)				= Min
H1	-Injection Lobe (All Models)			= 28
H1	-Injection Lobe USEABLE Limit = 28
LOBE IDENTIFICATION:
A1No. 1 IntakeA2No. 2 IntakeA3No. 3 Intake
S1No. 1 ExhaustS2No. 2 ExhaustS3No. 3 Exhaust
I1No. 1 InjectionI2No. 2 InjectionI3No. 3 Injecti
CYLINDER HEAD REMOVAL
Remove all cylinder head bolts, the
crankcase. Do not pry excessively,
with a hammer in attemptsdlooseto breakfrom
head gasket. Do not damage the pre-
the handling process.
INSPECTION: Thoroughly clean the cy
solvent. Dry with compressed air. I
Check cylinder head warpage using
and precision feeler gauges. Hold t
head deck and check corner-to-corne
four(4) equidistant zonesrpage.Theis maxim0.10
If warpage exceeds 0.10 mm,				the cy
maximum of 0.20 mm.
NOTE: Remove pre-combustion chamber
VALVE REMOVAL
Components:		4Spring
1Valve Stem
2Valve Seal		5Spring Cap
3Spring Seat		6Collets
Place the cylinder head on suitable
chambers do not touch the top of th
head is oriented as shown. Using a s
tool and acting5),on compressthespringthecapvalv(
that the6) colletscanbe removed( while the s
compressed state. WARNING: Valve spr
amount of energy while under compr
valve springs		under compressionableeyewi

protectioncylinderexhaust° planessohead.thatAfter90.Removethethecylindercolletsthevalvesheadare. i

each valve according to cylinder nu reinstalled in the identical positi

VALVE STEM SEAL INSTALLATION

Following cleaning of the cylinder the valves/ valve seats, install the wooden spacers to prevent pre-chamb head as shown. Soak new valve stem five(5) minutes. Liberally lubricat oil. Using special tool 1460-047, pl of the 1460-047 tool. Carefully pus stem and over the valve guide. Do no to drive the seals intoed placemust.beThepar to the valve.

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DISASSEMBLY/REASS

VALVE SPRINGS

INSPECTION:

Clean all valve springs in solve the springs for surface cracks normal direction of operation wi flat surface. Make sure that bo the springs seats are not parall Measure the free height of the free height should be 45.6 mm (n 43.5 mm, discard the spring.

VALVE SPECIFICATIONS:

INTAKE VALVE: Base Material: X Zone 1 - Chrome Plated C= 33.00 mm (F2/3/4M 1

α C=1=° 603430'.°4045'/mm60(F4M 1008

EXHAUST VALVE: Zone 2 - Weld Jo Zone 3 - Chrome Plated Zone 4 - Base Material Zone 5 - Base Material UNI 3992

D= 29.00 mm (F2/3/4M 1

α D=45°= 30'30° .2045'/45mm (F4M 1008

VALVE CLEANING: The face and lo power cleaned via an electric b VALVE STEM!

VALVE GUIDES / VALVE GUIDE BORE
Both intake and exhaust valve gu
are made from phosphoric gray
dimensional specifications are a
A	=	36.4 - 36.6 mm
B	=	11.045 - 11.054mm
C	=	11.000 - 11.018mm
D	=	5.80 -	6.20 mm
E	=	9.75 -	9.85 mm
Valve guides are supplied in fi
standard valve guides is require
NOTE: 0.50mm oversizedOD) arevalavailabesgu
valve guides areC) used,from abovedimensionmus
by 0.50mm.
VALVE GUIDE			INSTALLATION GUI
INSTALLATION VALVE/VALVE GUIDE
Deutz does not provide installa
recommends that valve guide rep
shop specializing in cylinder he
Whether newly installed or exist
to the following:
A	=	39.5 - 40.0 mm
B	=	7.005 -	7.020mm
C	=	6.960 -	6.990mm
B-C=		0.015 -	0.050 mm; USAGE L

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II DISASSEMBLY/REASSEMBLY

VALVE SEATS

Valve seats are supplied fully fini valve seats is required or recommen operation as part of valvenot installprovid installation tools for valve seats. replacement be done by a suitable s work. Whether newly installed or ex head interface must conform to the

For F2/3/4M 1008, BF4M 1008

EXHAUST VALVEA SEAT:=34.020 - 34.045 mm

α B1==° 593453'.° 10660- 34.115 mm INTAKE VALVE CSEAT:= 30.020 - 30.041 mm

α D ==° 443053'.° 10845- 30.116 mm

For F2/3/4M 1008 F

EXHAUST VALVEA SEAT:=35.220 - 35.245 mm

α B1==° 593553'.° 30660- 35.315 mm INTAKE VALVE CSEAT:= 31.220 - 31.241 mm

α D ==° 3153'44.° 30845- 31.316 mm

VALVE RECESS and SEAT SEALING WIDT

Invert the cylinder head as shown w suitable supports. Installvalvespringsthe valve.L the valve stems with clean engine o on the valve to valve seat interfac Wipe off all excess lapping compoun lapping and measure theS)widthas shownof thb the gray lap line.

For F2/3/4M 1008, BF4M 1008

SEALING SWIDTH)= 1.(6 - 1.7 mm; USEABLE L VALVE RECESSD) = 0.5( - 0.8 mm; USEABLE L With the valve resting in the cylin to determineD)thethatrecessthe valve( face cylinder head deck.

If valve recess or valve thesalingabovea specifications, replace the valves/

For F2/3/4M 1008 F

SEALING SWIDTH)= 1.(6 mm; USEABLE Limit =

VALVE RECESSD) = 0(.7 - 1.0 mm; USEABLE L

PRE-COMBUSTION CHAMBER-OVERVIEW

Components of the Pre-combustion ch 1Pre-combustion Chamber

2Glow Plug

3Pre-combustion Chamber Ring Nut

4Cylinder Head

NOTE: Pre-combustion chambersF2/3/4Mare100i and BF4M 1008.

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DISASSEMBLY/REASS

NOTE: THE PRE-COMBUSTION CHAMBER REQUIRE REMOVAL OR SERVICE AN DISTURBED UNLESS ABSOLUTELY NECE PRE-COMBUSTION CHAMBERS AS PART OR VALVE JOB. FURTHER, DEUTZ REC COMBUSTION CHAMBERS BE INSTALLE EXISTING PRE-CHAMBERS IS REQUI PROCEDURES DETAIL PRE-CHAMBER RE TION SHOULD SERVICE BE REQUIRED.

PRE-COMBUSTION CHAMBER RING NUT

As shown in the diagramheatprethe-comb chamber is secured to the cylind2) may be removed by securing the c mannerresting on wooden block chambers, then using special to loosen and remove2). the ring nut (

PRE-COMBUSTION CHAMBER REMOVAL

Remove the glow plug(s) from th 1460-030 into the pre-combustion comprised of1) shaft/endandslide2). (hammerMakesur( shaft/end1) portion( of the special t the pre-combustion chamber. Car hammer2) up( the special tool shaf end of the tool. The hammer effe pre-combustion chamber. preFollowin-comb chamber, unscrew the pre3) -frcombustthe tool.

WARNING: SPECIAL TOOL 7107-030 PROTECTION SHOULD BE WORN TION. GREAT CARE SHOULD BE THE PINCHING OF YOUR HAND SLIDE HAMMER IMPACTS THE T

PRE-COMBUSTION CHAMBER INSTALLA

Carefully clean all carbon from in the cylinder head. Do not us clean the pre-combustion chambe may be used to assist in carbon Introduce a new pre-combustion that the side hole of the prealigns with the glow plug hole chamber alignment tool 7107-031 hole, through the pre-chamber s chamber ring nut tool- 7107tall-027and the pre-combustion chamber ring steps100 Nm, then 180 Nm. Reinstall the glow plug. Torque

OIL PAN REMOVAL / INSTALLATION

REMOVAL: Drain the oil from the Gently, without deforming the p using a small bar(1). Numerous a around the perimeter of the pan releases from the crankcase.

INSPECTION/ CLEANING: Thoroughl and dry with compressedheairoil. Rempa from the oil pan and crankcase. cracks, dents, etc.. Inspect th clogging. Inspect the oil drain oil pan mounting flange on a f Repair or replace as required.

INSTALLATION: Install a new oil 7091 Silicone around the perimet as shown. Allow the silicone to Torque the oil pan bolts to 10 N

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II DISASSEMBLY/REASSEMBLY

	PISTON REMOVAL:Rotate the engine to BDC.
	the top of the cylinder bore. If a w
	cylinder bore, removedgethereamer”ridge .withRe
	the connecting rod cap as shown. Us
	and slowly push on the connecting r
	Do not allow the connecting rod to
	crankshaft rotation may be required
	connecting rod for purposes of push
	until the piston oil ring is outsid
	from the cylinder bore as shown. Ma
	connecting rod with respect to cyli
	the connecting rod cap to the conne
	GENERAL PISTONB/FMNOTES:1008/F pistons a
	the F2/3/4M 1008. BF4M 1008 piston
	1008, but is fitted with a special
	the BF4M 1008.
	PISTON / CONNECTING ROD DISASSEM
	INSPECTION
	Carefully remove and retain the pist
	using a suitable awl and a small s
	gram). Do not damage the snap ring s
	Push the piston wrististonpin farndencoughnne
	rod to be separated. NOTE: If requi
	with a soft faced drift to assist
	required, place the piston on a pro
	the piston is not damaged during th
	the drift to contact the piston pin
	INSPECTION: Clean the piston and pi
	compressed air. Inspect the piston
	localized overheating. Carefully re
	carbon from the piston top. Clean t
	using a suitable ring groove cleani
	MEASUREMENT: MeasureQ) theof thediameterpiston
	distanceA)-9 (mm from the bottom of the
	piston ring land/ ring clearance as
	PISTON CLASS, WEIGHT IMBALANCE an
	MARKINGS
	As part of the high quality standard
	B/FM 1008/F engines as a function o
	piston classesA, B,. TheexistC piston-			class is
	bottom of the piston as shown in th
	logo on the bottom of the piston cr
	piston is GENUINE DEUTZ.
	PISTON CLASS DETAILS (F2/3/4M				1008
	CLASS Ø Cylinder (mm)			Dimension
				Ø Piston
	A	71.990 - 72.000	71.930 - 71.94
	B	72.000 - 72.010
			71.940 - 71.95
	C	72.010 - 72.020
			71.950		- 71.96
	PISTON CLASS DETAILS (F2/3/4M				1008
	CLASS Ø Cylinder (mm)			Dimension
				Ø Piston
	A	74.990 - 75.000	74.930 - 74.94
	B	75.000 - 75.010
			74.940 - 74.95
	C	75.010 - 75.020
			74.950		- 74.96

REPLACEMENT PISTONS (SPAREReplacementPARTS):pi are supplied with pistonstonringsclassre. Replacement pistonsA.arePistonsuppliedB andclasseC as are reserved for production engines as 0.50mm and 1.00mm and are suppli of the oversized diameter. DO NOT F DARD PISTONS ON OVERSIZED PISTONS. FOR OVERSIZED PISTONS ON STANDARD P PISTON BALANCE: Weigh all pistons t engine. The total differencelightestinandweighe piston should not exceed 4 grams. W within a single engine. The total lightest and heaviest piston should

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DISASSEMBLY/REASS

CYLINDER INSPECTION / DIMENSION

Thoroughly clean the cylinders Alternately, completely clean th compressed air. Remove all carb carefully remove any excessive cylinder using a suitable “RIDGE for general wear, scoring, galli

shownfour(4)Using.aThepositions°calibratedintervalspistonringboreat45X),contact1each),2gauge,)while(and3)ofasz(t

skirt only contactZ). areaDimensionalis show follows:D = 71.990 - 72A.-000(Allmm,B/FMCLASS1 If the cylinder is foundatanyto bemas7 point, bore the cylinder by 0.50 found to be in specification,edor bellbuboring is suggested. NOTE:runningTo decl measure the piston skirt as det cylinder boreZ). Thein zonepiston( running difference between the two (2) d

CYLINDER CLASS

The cylinder class (at time of deck of the crankcase as shown i asA, B,dependingC on the exact cyl NOTE: Replacement pistonsA. Ifareupona sembly, the existing pistons can classA depending on the cylinder d

CYLINDER SURFACE FINISH

Proper cylinder surface finish optimal engine performance. The rebuild is greatly affected by respect to surface finish. After inspection of the cylinde should be power honed. A “BEAD” that do not require boring. Eng power honed as part of the bori material, the diameter-checkedof the cyas above following honing.

Theas shownhoninginoperationthe diagramshould.The°prof

0.5-1.0 mm.

POST HONING CLEANING: Deutz str cylinders be washed with hot wa following honing. Finish the cle with clean water, then dry the c exposed surfaces, especially the with clean engine oil to prevent NOTE: DO NOT USE EMERY CLOTH, S CYLINDER IN ATTEMPTS TO CREATE A BY HAND MOTION.

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II DISASSEMBLY/REASSEMBLY

PISTON RING END GAP
Prior to installing piston rings on
the cylinder bore, approximately 25
deck as shown. A piston turned upsid
the rings to the 25mm depth so that
can be had. Use a feeler gage(A) to
specifications are as follows:
1st piston ring(compression)LE Limit= 0=.251.-0
2nd piston ring(compression)LE Limit= 0=.251.-0
3rd piston ring(oil scraper)LE Limit= =0.125.0-
NOTE: If the ring gap is less than
secure the ring in a soft jaw vise a
ring, re-checking the end gap period
is	achieved.		Remove all endsburrsbefromore
installation.
PISTON RING TO PISTON LAND CLEARAN
With reference to the diagrams, meas
clearance using a feeler gage. If
operated within and engine, the pi
cleaned as described on page 36.
The specifications forlearancepiston areringast
A	=	0.090 - 0.125 mm
B	=	0.050 - 0.085 mm
C	=	0.040 - 0.075 mm
Replace the piston and/or piston ri
land clearance exceeds the specific
PISTON RING ASSEMBLY LOCATION
With reference to the diagram, care
the piston.
A	= Top Compression Ring (Tapered /
B = No. 2 Compression Ring (Tapered /
C	= Oil Control Ring (Internal Spri
D	= Chrome Plated Portion of Top Co
E	= Chrome Plated Portion of Oil Co
NOTE: As shown on the diagram, inst
“top”, “UP” or any other markings f
CONNECTING ROD / CONNECTING RO
SPECIFICATIONS
INSPECTION / SET-UP: Remove the conn
connecting rod bearingginsertsrod and. bearClea
in solvent, then dry with compresse
for nicks, gouges and potential str
bushing for scratches andoverheatingindication.D
the connecting rod if any doubt con
the connecting rod exists. Inspect
wear, dis-coloration, scatches and
rod bearings if any doubt exists. I
inserts (whether new or existing) i
the connecting rod cap.rodSeecapageorient41
and torque specificationsimensional.The fol
specifications for a fully)andassembltorqu
connecting rod. Replace the connect
bearings if dimension conformance t
Dim.			SPECIFICATION		NOTES
A = 126.48 - 126.520 mm				BF4M 1008 =
B =		18.015 - 18.025 mm
C =		40.021 - 40.050 mm		(Cap Torqued
D =		17.996 - 18.000 mm		BF4M 1008 =
E=		50.900 - 51.100 mm		BF4M 1008 =
B-D=		0.015 -	0.039 mm USEABLITY

NOTE: If the small end bushing is r be aligned

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DISASSEMBLY/REASS

CONNECTING ROD ALIGNMENT

Check the alignment of the conne to the connecting rod journal di a suitable fixture as shown or mandrel in V-blocks as shown. method is used, center the wris bore so that an equal amount of side of the connecting rod. Whi seated in the wrist pin bushing, both sides of the connectingthodis rodus down on the wrist pin as shown a Maximum Axial Mis-alignmentimit==.015. Minor mis-alignment may be corr working the connecting rod betw ATTEMPT TO CORRECT MIS-ALIGNMEN TRAINED AND EXPERIENCED.

PISTON WRIST PIN INSTALLATION /

After thoroughly cleaningng androd described in the previous, liber bore and wrist pin bushing with piston and connecting rod as sh piston and through the connectin use a hammer or drift Ifpinhandto insfo install the wrist pin, investiga Install the piston pin retaining ring are oriented as shownaldistancein th the piston centerline and the o equal on both sides. The snap ri after installation by carefully awl atA)point. (

CONNECTING RODPISTON ASSEMBLY

Weigh the connecting rod / pist given engine. The maximum allowa lightest and heaviest assembly i If the 10 gram differential in pistons and/ or connecting rods grams or less.

PISTON / CONNECTING ROD INSTALL

With reference to the cylinder b page 38 and the information pres rings and connecting nectingrods,instarod Rotate the engine so thatorpiston/the re rod installation is at BDC. Clea rod journal with clean engine o Install the upper and lower con Liberally coat the connecting ro

theringringswristendwithgappincleanisaxis)locatedengineand °thaton±oil° 10the.froallRot

120Compress° relativethetopistoneach otherrings. with

piston so that the turbulence ch correspond to the pre-combustio Gently lower the piston / conne taking extreme care not to cock the connecting rod from contact center of the piston with the w guiding the connecting rod over

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II

DISASSEMBLY/REASSEMBLY

CONNECTING BEARING / ROD CAP INSTA

Install the connecting rod bearing

connecting rod cap. Make sure that t

the connecting rod and connecting ro

etc. Insert the bearing inserts so

with the slot in the connecting rod

bearing completely into the connect

Liberally oil the bearings with cle

rod cap onto the connecting rod maki

slot locks on the connecting rod cap

the connecting rod.

Torque the connecting rod bolts to

PISTON PROTRUSION

Rotate each cylinder to exact TDC.

use of a dial indicator mounted to

piston height as a function of cran

After TDC is established,themeasurepisto

(A) from the cylinder deck plane usin

The height should be measured on a

pin axis as

shown.

Recorde theTDC pr

establishment

and piston protrusion

recording the value for protrusioneachcylin

measured will be used to establish

as presented below.

HEAD GASKET SELECTION/ INSTALLATIO

Three(3) separate head gasket thic

1008/F engines depending on the me

measured above. The head gaskets ar

the edge locatedB) as atdetailedpoint (below. H

provided with “0 notch”, “1 notch”

For F2/3/4M 1008, BF4M 1008

A (mm)

PROTRUSION)

No. of

hole

(PISTON

Head Clearance (mm)

0.97 - 1.006

0.39 -

0.48

1.07 - 1.116

1.17 - 1.225

0.40 -

0.48

For F2/3M 1008 F

A (mm)

(PISTON

PROTRUSION)

No.

of

hole

Head Clearance (mm)

0.82 - 0.091

0.55 -

0.63

0.92 - 1.101

Match the piston protrusion dimension determined

above

with A)dimensionfrom the(

chart1..02Install- 1.210the

0.55 -

0.63

corresponding head gasket. If a head gasket cannot be

chosen based upon the

pistonFor F4Mprotrusion1008 F

measured,

rod bearings, wrist

check

the

connecting

rod length,

A (mm)

the problem.

pin bushing, etc. for the cause of

(PISTON

PROTRUSION)

No.

of

Notches

Head Clearance (mm)

Completely

clean the

deck surface of oil, old

gasket

0.82 - 0.191

material, varnish, coolant, etc. Remove all traces

of

fluid from the cylinder head bolt bores. Install0.52the-

head0.61

0.92 - 1.201

gasket so that the gasket aligns with the deck dowels

and the brand name or “TOP” printed on the gasket

faces up.

1.02 - 1.310

0.53 -

0.61

assist in the identification of the

108

109

52

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DISASSEMBLY/REASS

CYLINDER HEAD INSTALLATION

Cylinder head bolts are tighten method as opposed to the traditi the bolts are pre-loaded, then bolts are tensioned exactly the initial pre-load stretches the b PREPARATION: Clean the cylinder gasket material, rust, etc. Clea all gasket material, boltdeposits,thread the length of the head bolts. 90.5mm. Each time the bolts are DO NOT USE HEAD BOLTS WITH MEASU OR GREATER. In general terms, he times before replacement. Libera bolt head thrust area and washer the instructions on page 41. Ge crankcase aligning the index do wrench with a dividing head as s

CYLINDER HEAD TIGHTENING PROCE F2/3M 1008 F:

FIGUREA = F2M 1008, F2M 1008 F FIGUREB = F3M 1008, F3M 1008 F STEP 1: Torque the head bolts to

STEPSTEPshown3:2:. RotateRotate eacheach headhead°	(cbobolockwt,t,ii
°	(clockw

NOTE: NO POST OPERATION RE-TORQUEAD IS REQUIRED OR RECOMMENDED.

CYLINDER HEAD TIGHTENING PROCE 1008 F, BF4M 1008

STEP 1: Torque the head bolts to

STEPSTEPshown3:2:. RotateRotate eacheach headhead°	(cbobolockwt,t,ii
°	(clockw

NOTE: NO POST OPERATION RE-TORQUE OF THE CYLINDER HEAD IS REQUIRED OR RECOMMENDED.

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II DISASSEMBLY/REASSEMBLY

		MAIN BEARING CAPS / BEARINGSCENT
		The center main caps are referenced
		crankcase as shown to allow replace
		position of removal. The reference n
		figure at the left. Always repositi
		NOTE: If main bearings areollowingintend
		disassembly, mark the bearing posit
		INSPECTION / CLEANING: Clean the ma
		and dry with compressed air. Remove
		the bearing seats. Check/ clean all
		all	impurities. Flush theolventoil befopass
		assembling the crankshaftg.capsInspecand
		crankcase for cracks, signs of over
		main bearings for wear and signs of
		etc. Thoroughly scrub, but do not d
		(back side) of the main bearings if
		main bearings if any doubt exists.
		BEARING INSTALLATION / TORQUEltheSPECIFmain
		bearings (upper and lower) into the
		aligning the “tang” on the bearing
		Liberally oil the bearing surface w
		bearing caps with reference to orig
		the main bearing caps to 60 Nm in 1
		FRONT / REAR MAIN BEARING CAPS / B
		The front and rear main bearings o
		designed with2) lateralinstalledsealsbetween(				the
		bearing cap and the crankcase saddl
		replaced each time the main bearing
		clean the main bearing cap and crank
		and lubricate the main bearings as
		bearings (rear main only) as descri
		seals onto			the 1)main.Liberallyaring lubricacap(
		the seals. Place the special shims (
		figure between the crankcase and th
		bearing into place. Remove the shim
		front and rear main bearing caps to
		installation, the lateral seal mus
		crankcaseA)planesatthe(front and rear fa
		0.5-1.0 mm pastB)thetooilalowpancomplplanete(
		material in excess of 1.00 mm with
		installation of the rear seal suppo
		small amount of RTV Silicone to the
		MAIN BEARING CLEARANCE
		Ideally, main bearing clearanwingcetualis
		measurement of the main bearing jo
		diameters. “PLASTIGAGE” however,kand					c
		reasonably			accurate determination		o
		view and understand thetheinstructions“PLASTIGAG
		kit. Invert (if possible) the engi
		directed away from the main bearing
		cap in question. Clean all oil from
		using a spray solvent. Place a smal
		main bearingA)as. Installshownatand( torque t
		60 Nm. DO NOT ROTATE THE ENGINE!. R
		cap and compare the width of the co
		the “KEY” provided with the PLASTIG
		the bearing clearance.
		PISTON COOLING JETSTheBF4M 1008: en
		equipped with cooling jets which sp
		the piston providing additional engi
		to the crankcase directly adjacent
		COMPONENTS:			SPECIFICATIONS:
		1 Washer		A = 0.80 - 0.85mm
		2 Nozzle		B = 34 mm
		3 Washer		C = 150 mm
		654 CheckSpringBanjoBallBoltα D=°=516 mm
		INSPECTION / CLEANING / INSTALLATION
		damage and clogging1.),3Using),( affixnew2)thewashn
		to the crankcase4). Slowlywith brotatelt( the en
		cylinder). Adjust the2) sopositionthat noofcot
		made with the piston at BDC and the
		the piston bottom4). Torque the bolt
© 2001 / 0297 9985			54

DISASSEMBLY/REASS

THRUST BEARINGS
Thrust bearings on the B/FM 1008
main bearing cap and the crankc
consists of four(4) separate th
segments are supported by the c
are supported by the rear main
bearing segments act upon the cr
INSPECTION: Thoroughly clean th
bearing socket and the crankcase
the thrust bearings for indicat
and	general condition. Inspect
galling, scratches, pitting, etc
INSTALLATION: Liberally coat the
clean engine oil and install by
crankcase thrust		bearing socket
The	bearings must	be installedsurface, as
by	oil Agrooves)is oriented(		toward the

The main bearing cap thrust bear bearing reliefs and indexed wit diagram. The thrust bearings mus (A) face the crankshaftatthrustthe hrusu with clean engine oil, then ins instructions presented on page 4 (crankcase side) do not include locational index.

CRANKSHAFT END PLAY

After installing allearings,mabearinthe end play may be measured.

1. Push the crankshaft toward th

2. Using a feeler gage, measure bearing wear surface and the cra SPECIFICATIONS:

A = 0.130 - 0.313mm (Wear Limit B = 23.05 - 23.10mm (Wear Limit If the crankshaft end play exce engine with oversize thrustgrindbe crankshaft thrust surfaces. The application of oversize bearings surfaces.

		THRUST SURFACE SPECIFICATIONS-
		CORRECTIONS
		Depending on the condition/ wid
		facesB) (above figure)C ofandofthewidma
		thrust bearing socket/ thrust b
		end play can be corrected in se
		and 0.2mm oversized thrust1),bearisid2)
		or both. The following table pr
		thrust bearing width, ringthrustcapsur/
		and crankshaft thrust surface wi
		TABLE KEY:
		A	=	Crankshaft End Play (resul
		B	=	Width of crankshaft thrust
		THRUST			BEARING		B (mm)		A (m
		COMBINATION				(mm)
		Standard				22.787-22.920			23.050-
		0.1 mm (both sides) 22.987-23.120 2
		0.1 mm (one sides)					0.130- .31
							23.087-23.220 2
		0.2 mm (one sides)
		0.2 mm (both sides) 23.187-23.320 2
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II DISASSEMBLY/REASSEMBLY

CRANKSHAFT SEALS - FRONT and REAR

The front seal for the B/FM 1008/F oil pump assembly. The rear oil sea support. Deutz recommends that oil from the supporting bores. The oil upon inspection, signs of hardening exterior or dry rot is noted.

SEAL DETAILS:

A Seal Support

B Seal

1 Installation depth plane (initial)

2 Installation depth plane (initial)

3 Crankshaft wear surfacefront

4 Crankshaft wear surfacerear INSTALLATION: Remove the oil pump upon front or rear seal replacement seal supporting bore, aprefullythe sealclean non abrasive manner, the wear surfac seal in clean engine oil.Coatfortheapproxicran with clean engine oil. Using a suit push the seal into the bore until t planes1) or2)(. (Reinstall the oil pump or gaskets as required. Torque the rear Nm. Torque the oil pump retaining b NOTE: If the wear surface of the cra at the initial installation depth r the bore an additional 2 mm using a

CRANKSHAFT LUBRICATION DRILLINGS-

The lubrication drillings for the F in the diagram. The lubrication dr BF4M 1008 are very similar to the F CLEANING: Remove2) byplugssuitableat ( means crankshaft in solvent to loosen any the drillings1) and2) by( (blowing with compres brushes, etc.. 2Cap)withthe newdrillingsplugs. at

CRANKSHAFT JOURNAL INSPECTION / ME

INSPECTION: Inspect each journal ( scoring, grooves and generalkshaft wearormac.R as required. See page 456for dimens

MEASUREMENT:withintervalsa calibratedaroundWith thereferencemicrometercircumferenceeachto.° Eachjournthedj

position shown on the left most dia two seperate parts of the given dia journal and once near the fillet of

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56

DISASSEMBLY/REASS

CRANKSHAFT JOURNAL SPECIFICATIO

For F2/3/4M 1008, BF4M 1008

A = Main Journals = 47.984 - 48.

For F2/3/4M 1008 F

A = Main Journals = 50,981 - 51.

For B/FM 1008/F

B = Rod Journals = 39.984 - 40.0

UNDERSIZED BEARINGSROD and MA
Undersized connecting rod and m
0.25 and 0.50mm. Use of thelrequun
the nominal size of the rod/ ma
0.50 mm respectively.
MAIN and CONNECTING ROD BEARING
The dimensions shown reflect cl
inserts.
For F2/3/4M 1008, BF4M 1008
C = Main Bearings = 47.9848.-05548.
C-A= 0.022 - 0.074 mm (WEAR Limit
For F2/3/4M 1008 F
C = Main Bearings = 51,02351,098-
C-A= 0.023 - 0.078 mm (WEAR Limi
For B/FM 1008/F
D = Rod Bearings = 40.02140.-1040.
D-B= 0.021 - 0.066 mm (WEAR Limi
HYDRAULIC PUMP PTO- (No. 3 PTO)
All B/FM 1008/F diesel engines
driveA) as( shown. The hydraulic dr
the engine camshaft.
Hydraulic	pump adaptations for
BOSCH pumps are available.
DRIVE SPECIFICATIONS:
Speed Ratio: 1 : 2, or 1/2 engin
Maximum Torque = 37 Nm, irrespec
NOTE:	37 Nm @ 3600 r/min c

HYDRAULIC DRIVE COMPONENTSNo.
1	Splined Drive- (Bolts to Camsh
2	Pump Drive Gear (Attaches to P
3	O-Ring
4	Pump Support (Bolts to Cylinde
5	O-Ring	the ecc
The splined1) alsodriveincludes(

The splined drive must be bolted 80 Nm. The pump2) mustdrivebegeartorqued( pump input shaft. Check with th specifications at the input shaf

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