Content .. 213 214 215 216 ..

Defender 90 / 110 / 130. Manual - part 215

ENERAL

SPECIFICATION

DATA

.........

Lubrication (continued)

pump: Latest type

.....

Type

...........................................................

Drive

..........................................................

End-float

both gears

.......................................

Radial clearance of gears

.................................

Backlash of gears..

.........................................

Double gear, 10 teeth, sintered iron gears
Splined shaft from camshaft skew gear

0,026

0,135

(0.0009

in)

0,025

0,075

(0.0008

0.0025 in)

0.0067 in)

Oil pressure relief valve

Type

..............................................................

Non-adjustable

Relief valve spring:

Full length..

..................................................

Compressed length at

(5.7 Ib) load

...........

(2.670 in)
(2.450 in)

2.5

LITRE

PETROL

ENGINE

ENGINE
Type

.................................................................

Bore

.................................................................

Stroke

...............................................................

Capacity

............................................................

Valve operation..

.................................................

Compression ratio..

..............................................

Maximum power

4000

.................................

Maximum torque

2000

................................

Commencing serial

no.

..........................................

4 cylinder

(3.562 in)

(3.82 in)

2495

(152.25

Overhead by push-rod

8.0:

59.5 Kw (80 bhp)

175

(129 lbf ft)

Crankshaft

Main journal diameter

.......................................

Minimum regrind diameter

..............................

Crankpin journal diameter.

.................................

Minimum regrind diameter

..............................

58,48985

58,47080

(2.30275

2.30200 in)

Crankshaft end thrust

........................................

Taken

thrust washers at centre main bearing

Crankshaft end-float..

........................................

(0.002

0.006

in)

63,487

63,500

(2.4995

in)

63,246

63,2333

(2.4900

2.4895 in)

58,725

58,744

(2.312

2.31275 in)

Main bearings

Number and type

..............................................

Diametrical clearance

........................................

Undersizes

......................................................

halved shells

Material

.........................................................

Copper-lead lined

0,018

(0.0007

0.0026 in)

(0.010 in)

Connecting rods

Type.

.............................................................

Horizontally split big end, plain small end

Length between centres

......................................

(6.904

6.908

in)

Connecting

rod

bearings

Type and material

.............................................

Steel shell, copper-lead lined

0,025

0,075

0.003 in)

End-float on crankpin

........................................

(0.007

0.012 in)

Diametrical clearance

........................................

Undersizes

......................................................

. . . .

._.

(0.010 in)

. . . . .

.....

GENERAL

SPECIFICATION

DAT

Gudgeon pins

Type

..............................................................

Floating

Fit

in piston

.....................................................

Push fit by hand

Clearance in connecting rod

................................

0,007

0,015

(0.0003

0.0006 in)

Pistons

Type 8 .O: 1 compression ratio

...............................

Aluminium alloy. Recessed crown.

Standard and oversize pistons

...........................

0,043

0,067

(0.0017.- 0.0026 in)

Clearance in bore measured

from bottom

of skirt at right angles to gudgeon pin:

Piston rings

Compression

...................................................

Gap in bore

..................................................

(0.016

0.026 in)

Clearance in groove..

......................................

0,046

(0.0018

0.0038 in)

Oil control

......................................................

Gap in bore

..................................................

(0.012

0.022 in)

Clearancc in groove.

.......................................

0,026

0,076

(0.0012

0.003 in)

Camshaft

Location

.........................................................

End-float

........................................................

Number of bearings..

.........................................

Material

.........................................................

Drive

.............................................................

76 link chain

Right-hand side (thrust side) of engine

(0.0025

in)

Steel shell, white metal lined

Valves

Length:

Inlet

...........................................................

Exhaust

.......................................................

Inlet

...........................................................

Exhaust..

.....................................................

Inlet

...........................................................

Exhaust

.......................................................

Inlet

...........................................................

Exhaust..

.....................................................

Inlet

...........................................................

Exhaust..

.....................................................

Inlet

...........................................................

Exhaust

.......................................................

External diameter..

........................................

Internal diameter.

..........................................

Width

.........................................................

Seat angle:

Head diameter:

Stem diameter:

Stem to guide clearance:

Valve lift:

Exhaust valve seat insert:

Seat angle and depth

.......................................

(4.374

4.393 in)

30"
45"

(1.744

1.755 in)

(1.355

1.345 in)

7,899

7,912

(0.3109

0.31 15 in)

8,697

8,679

(0.3424

0.3416 in)

0,033

0,048

(0.0013

0.0019 in)

0,035

0,076

0.0022

in)

10,236

(0.403 in)

(0.388 in)

36,576

36,601 (1.440

1.441 in)

(1.120-

5,055

5,105

(0.199

0.201 in)

0,635

0,889

(0.025

0.035 in)

. . . . .

. . .

ENERAL SPEC

TION DA

Valve springs

Type

..............................................................

Duplex interference coil

Inner:

Length, free

.................................................

(1.680 in)

Length, free

.................................................

(1.822 in)

Length, under 21

(46 Ib) load

........................

(1.587 in)

Length, under

(17.7 Ib) load ....................

(1.462 in)

Outer:

Lubrication

System

...........................................................

System pressure, engine warm at

.............

Oil

pump:

Type

..........................................

Drive

..........................................................

Radial clearance of gears

.................................

Backlash of gears..

.........................................

End-float of both gears..

.....................................

Oil

pressure relief

valve

Relief valve spring:

Type

..............................................................

Full length

..........

.......................

Compressed length at

(5.7 Ib) load

...........

Wet sump, pressure fed

kgf

(35

65 lbf

Double gear, 10 teeth, sintered iron gears
Splined shaft from camshaft skew gear
0,026

0,135

(0.0009

0.0045

in)

0,025

0,075

(0.0008

0.0025 in)

0,2

(0.0034

0.0067 in)

(2.670 in)
(2.450 in)

2.25

LITRE DIESEL ENGINE

ENGINE

Type

.................................................................

Bore

.................................................................

.......................................................

Valve operation..

.................................................

Compression ratio..

..............................................

Maximum power ........................

Maximum torque..

......................

4 cylinder

(3.562 in)

(3.500 in)

2286

(139

Overhead by push-rod

33: 1
44Kw (59 bhp) at 4000

136

(100

ft)

at 1800

Crankshaft

Main bearing journal diameter

.............................

63,487

63,500

(2.4995

2.500

in)

63,246 63,2333

(2.490

2.4895 in)

...............

Use 0.010 in

U/S

bearings

Regrind dimensions:

Crankpin journal diameter ..................................
Regrind dimensions:

58,48985

58,4708

(2.30275

2.30200 in)

........

Crankshaft

thrust

........................................

58,725

58,744

(2.312

2.31275 in)

Use 0.010 in

bearings

Taken on thrust washers at centre main bearing

Crankshaft end-float ..........................................

(0.002

0.006

Main bearings

Number and

..............................................

5 halved shells

Material

.........................................................

Diametrical clearance

Steel shell, copper-lead lined
0,020

0,063

(0.0008

0.0025 in)

........................................

tin plated

GENERAL SPECIFICATION

DATA

Connecting rods

Type

..............................................................

Horizontally split big end, plain small end

Length between centres

......................................

6.907 in)

Big

end bearings

Type and material

.............................................

Steel shell, copper-lead lined

Diametrical clearance

........................................

0,020

0,0635

(0.0008

0.0025 in)

End-float on crankpin

........................................

0,356

(0.006

0.014 in)

Gudgeon pins

Type

..............................................................

Floating

Fit in piston

.....................................................

Push fit by hand

Clearance in connecting rod

................................

0,0196

(0.0007

0.00014 in)

30,1564

30,1625

in)

Diameter

........................................................

Pistons

Type

..............................................................

Aluminium alloy, with V shape recess in crown

Standard size pistons

......................................

0,111

0,134

(0.0044

0.0053 in)

Oversize pistons

............................................

0,111

0,157

(0.0044

in)

Clearance in bore, measured at bottom of skirt at
right angles to gudgeon pin:

Piston rings

Compression No. 1 (top):

Type

...........................................................

Gap in bore

..........

..................................

Type

............................

........................

G a p in bore

..................................................

Type

...........................................................

Gap in bore

..................................................

Clearance in groove

...................

Compression Nos. 2 and 3:

Clearance in groove..

......................................

Oil control No. 4:

Clearance in groove

........................................

Valves

Length:

Inlet

...........................................................

Exhaust

.......................................................

Inlet

.......................

...............................

Exhaust

.......................................................

Inlet

...........................................................

Exhaust

.......................................................

Inlet

...........................................................

Exhaust

......................................................

Inlet

...........................................................

Exhaust

.......................................................

Inlet

...........................................................

Exhaust

.......................................................

Seat angle:

Head diameter:

Stem diameter:

Stem to guide clearance:

Valve lift:

Square friction edge, chrome plated

(0.014

in)

(0.0025

0.0045 in)

Bevelled friction edge. Marked 'T' or 'TOP' o n upper side

0.015

in)

(0.0025

0.0045

in)

Ring and spring

0,279

0,406

(0.011

0.016 in)

0,038

0,064

(0.0015

in)

(4.377

4.587 in)

(4.598

45"

(1.540

1.550 in)

(1.309

1.318 in)

7,912

7,899

(0.3114

0.3109 in)

8,682

8,694

(0.3418

0.3422 in)

0,033

0,048

(0.0013

0.0019 in)

0,073

(0.0023

0.0029 in)

(0.388 in)

(0.404 in)

Content .. 213 214 215 216 ..