Content .. 1 2 3 4 ..

Defender 90 / 110 / 130. Manual - part 3

GENERAL

SPECIFICATION DATA

Piston rings

Compression

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

Clearance in groove..

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

0,046

0,097

(0.0018

0.0038 in)

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

Gap in bore

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

(0.015

0.020 in)

Clearance in groove..

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

0,038

0,089

(0.0015

0.0035 in)

Gap in bore

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

(0.015 0.020 in)

Camshaft

Location

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

End-float

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

Material

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

Drive

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

Chain

Right-hand side (thrust side) of engine

(0.0025

0.0055 in)

Steel shell, white metal lined

Number of bearings

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

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:

(4.378

4.396

in)

(4.388

4.412 in)

30"
45"

(1.744

1.755 in)

(1.378

1.380 in)

7,899

7,912

(0.3109

0.3115 in)

8,682

8,694

(0.3418

0.3422 in)

0,033

0,048

(0.0013

0.0019 in)

0,058

0,073

(0.0023

0.0029 in)

10,236

(0.403 in)

(0.388 in)

Valve springs

Type..

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

Duplex interference coil

Inner:

Length, free

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

(1.680

in)

Length, under

(17.7

load

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

(1.462 in)

Length, free

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

(1.822 in)

Length, under 21

(46 lb) load..

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

(1.587 in)

Outer:

Lubrication

System

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

System pressure, engine warm at 2000

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

Type

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

Steel gear

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

Radial clearance of gears

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

Backlash

of gears..

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

Oil pump: Early type

Drive

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

End-float of gears:

Aluminium gear

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

Wet sump, pressure fed

kgf

(35

65 lbf

Double gear

shaft

skew

(0.002

0.005 in)

(0.003

in)

(0.001

0.004 in)

(0.006

0.012 in)

GENERAL

IFIC

DATA

......

Lubrication (continued)

Oil pump: Latest type

. . . . .

Type

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

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

End-float

both gears

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

0,026 0,135

(0.0009

in)

Radial clearance

of gears

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

0,025

0,075

in)

Backlash

gears..

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

0.0067 in)

Drive

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

Oil pressure relief valve

Type

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

Non-adjustable

Relief valve spring:

Full length

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

(2.670 in)

Compressed length at

(5.7 lb) load

...........

(2.450 in)

2.5

LITRE PETROL ENGINE

ENGINE

Type

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

Bore

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

Stroke

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

Capacity

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

Valve operation..

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

Compression ratio..

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

Maximum torque

2000 rpm..

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

Commencing serial no..

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

Maximum power

4000

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

4 cylinder

(3.562 in)

(3.82 in)

2495

(152.25

Overhead by push-rod

8.0:

59.5 Kw (80 bhp)

175

(129 Ibf ft)

Crankshaft

Main journal diameter

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

63,487

63,500

(2.4995

in)

Minimum regrind diameter

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

63,246

63,2333

(2.4900

2.4895 in)

Crankpin journal diameter

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

58,725

58,744

(2.312 2.31275 in)

Minimum regrind diameter

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

58,48985

58,47080

(2.30275

2.30200 in)

Crankshaft end thrust

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

Taken on thrust washers at centre main bearing

Crankshaft end-float..

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

(0.002

in)

Main bearings

Number and type

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

Material

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

Copper-lead lined

Diametrical clearance

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

Undersizes

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

halved shells

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

Type and material

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

Steel shell, copper-lead lined

Diametrical clearance

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

0,025

0,075

0.003 in)

End-float on crankpin

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

(0.007 0.012 in)

Undersizes

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

(0.010 in)

ERAL SP

IFI

TION DA

Gudgeon pins

Type

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

Fit in piston

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

Clearance

in connecting rod

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

Pistons

Type

8.0:

compression ratio

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

Clearance in bore measured

from bottom

of skirt at right angles to gudgeon pin:

Standard and oversize pistons

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

Piston rings

Compression

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

Gap in bore

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

Clearance in groove

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

Oil control

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

Gap in bore

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

Clearance in groove

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

Floating
Push fit by hand
0,007

0,015

(0.0003

0.0006 in)

Aluminium alloy. Recessed crown.

0,043

0,067

in)

(0.016

0.026 in)

0,046

0,097

(0.0018

0.0038 in)

(0.012

0.022 in)

0,026

0,076

(0.0012 0.003 in)

Camshaft

Location

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

End-float

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

Material

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

Drive

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

76 link chain

Right-hand side (thrust side)

engine

(0.0025

0.0055 in)

Steel shell, white metal lined

Number

of bearings

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

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

depth

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

(4.377

1 1

(4.374

4.393 in)

30"

45"

(1.744

1.755 in)

(1.355

1.345

in)

7,899

7,912

(0.3109

0.3115 in)

8,697

8,679

(0.3424

0.3416 in)

0,033

0,048

(0.0013

0.0019 in)

0,035

0,076

(0.0014

0.0022 in)

10,236

(0.403 in)

(0.388 in)

36,576

36,601 (1.440

1.441 in)

28,448

28,702

(1.120

1.130 in)

5,055

5,105

(0.199

0.201 in)

45". 0,635

GENERAL SPECIFICATION

DATA

Valve springs

....

Type

Duplex interference coil

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

Inner:

Length, free

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

(1.680 in)

Length, free

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

(1.822 in)

Length, under

8,0

(17.7

load

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

(1.462 in)

Outer:

Length, under 21

(46

load

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

(1.587 in)

Lubrication

System

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

System pressure, engine warm at 2000

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

Type

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

Radial clearance

of gears

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

Oil pump:

Drive

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

End-float of both gears..

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

Backlash

of gears

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

. . .

Oil

pressure relief valve

Relief valve spring:

Type

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

Full length

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

Compressed length at

(5.7 lb) load

...........

Wet sump, pressure fed

kgf

(35

Ibf

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)

0,2

(0.0034

0.0067

in)

Non-adjustable

(2.670 in)
(2.450 in)

2.25

LITRE DIESEL ENGINE

ENGINE

Type

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

Capacity

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

Valve operation.

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

Bore

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

Stroke

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

Compression ratio..

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

Maximum power

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

Maximum torque

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

4 cylinder

(3.562 in)

(3.500 in)

2286

(139

Overhead by push-rod

44Kw (59 bhp) at 4000

136

Ibf 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

bearings

Crankpin journal diameter

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

58,725

58,744

(2.312

2.31275 in)

58,48985

58,4708

(2.30275

2.30200 in).

.......

Use 0.010 in

bearings

Taken

on thrust washers at centre main bearing

(0.002

0.006 in)

Regrind dimensions:

Crankshaft end thrust

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

Crankshaft end-float

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

Main bearings

Number and type

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

halved shells

0,020

0,063

(0.0008

0.0025 in)

Material

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

Diametrical clearance

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

Steel shell, copper-lead lined, tin plated

Content .. 1 2 3 4 ..