Engines Iveco C10,C13, Cursor 10, Cursor 13. Manual - part 70

 

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Engines Iveco C10,C13, Cursor 10, Cursor 13. Manual - part 70

 

 

TIMING CONTROL COMPONENT PARTS

1. Camshaft - 2. Bushing - 3. Pin - 4. Articulated rod -

5. Camshaft control gear - 6. Idler gear - 7. Twin idler gear

- 8. Drive shaft driving gear.

86925

*

This measurement is obtained after assembling.

TIMING GEAR
Camshaft drive

101602

Figure 104

Figure 105

Figure 106

101601

*

This measurement is obtained after assembling.

Idler gear pin
Idler gear

Twin intermediate gear pin
Twin idler gear

Replacing the bushings

Bushings (2) can be replaced when they are worn. Put up the
bushing, then bore it to obtain the diameter shown on
Figure 105 or Figure 106.

The bushing must be driven into the gear by following
the direction of the arrow and setting the latter to the
dimension shown on Figure 105 or Figure 106.

Rated assembling play between gear bushings and pins:
Figure 105 — 0.045

÷ 0.075 mm

Figure 106 — 0.045

÷ 0.085 mm.

NOTE

44

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

F3B CURSOR ENGINES

Base - May 2007

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

45

F3B CURSOR ENGINES

TIGHTENING TORQUE

PART

TORQUE

PART

Nm

kgm

Capscrews, undercrankcase to crankcase

♦

M12x1.75 outer screws

Stage 1: pretightening

30

(3)

M 17x2 inner screws

Stage 2: pretightening

120

(12)

Inner screws

Stage 3: angle

60

°

Inner screws

Stage 4: angle

55

°

Outer screws

Stage 5: angle

60

°

Piston cooling nozzle union

♦

35

± 2

(3.5

± 0.2)

Capscrews, heat exchanger to crankcase

♦

pretightening
tightening

11.5

± 3.5

19

± ≤

(1.15

± 0.35)

(1.9

± 0.3)

Piston cooling nozzle union

♦

24,5

± 2,5

(2.4

± 0.25)

Spacer and oil sump capscrews

♦

pretightening
tightening

38
45

(3.8)
(4.5)

M 12x1.75 screws, gear case to crankcase

♦

63

± 7

(6.3

± 0.7)

M 12x1.75 screws, gear case to crankcase

♦

24

± 2,5

(2.4

± 0.25)

Cylinder head capscrews

♦

Stage 1:

pretightening

60

(6)

Stage 2

pretightening

120

(12)

Stage 3:

angle

90

°

Stage 4:

angle

65

°

Rocker shaft capscrew

♦

Stage 1:

pretightening

100

(10)

Stage 2:

angle

60

°

Locknut, rocker adjusting screw

♦

39

± 5

(3.9

± 0.5)

Capscrews, injector securing brackets

♦

26

(2.6)

Capscrews, injector securing brackets

♦

8,5

± 1,5

(0.8

± 0.15)

Capscrews, thrust plates to head

♦

19

± 3

(1.9

± 0.3)

Screw fastening the engine supporting bracket to the cylinder head

Stage 1:

pretightening

120

(12)

Stage 2:

angle

45

°

♦ Before assembly, lubricate with UTDM oil

•

Before assembly, lubricate with graphitized oil

46

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

F3B CURSOR ENGINES

Base - May 2007

TORQUE

PART

Nm

kgm

Screw fastening the engine supporting bracket to the flywheel case

Stage 1:

pretightening

100

(10)

Stage 2:

angle

60

°

Camshaft gear capscrews

♦

Stage 1:

pretightening

60

(6)

Stage 2:

angle

60

°

Screw fixing phonic wheel to timing system gear

♦

8.5

± 1.5

(0.85

± 0.15)

Exhaust manifold capscrews

•

pretightening
tightening

40

± 5

70

± 5

(4

± 0.5)

(7

± 0.5)

Capscrews, connecting rod caps

♦

Stage 1:

pretightening

60

(6)

Stage 2:

angle

60

°

Engine flywheel capscrews

♦

Stage 1:

pretightening

120

(12)

Stage 2:

angle

90

°

Screws fixing damper flywheel:

♦

First phase

pre-tightening

70

(7)

Second phase

closing to angle

50

°

Screws fixing intermediate gear pins:

♦

First phase

pre-tightening

30

(3)

Second phase

closing to angle

90

°

Screw fixing connecting rod for idle gear

24.5

± 2.5

(2.45

± 0.25)

Screws fixing oil pump

24.5

± 2.5

(2.45

± 0.25)

Screws fixing crankshaft gasket cover

24.5

± 2.5

(2.45

± 0.25)

Screws fixing fuel pump/filter

19

(1.9)

Screw fixing control unit mount to crankcase

19

± 3

(1.9

± 0.3)

Screws and nuts fixing turbocharger

•

pre-tightening
tightening

35
46

(3.5

(4.6)

Screws fixing water pump to crankcase

22

± 2

(2.2

± 0.2)

Screws fixing water pump to crankcase

25

(2.5)

Screw fixing automatic tensioner to crankcase

26

± 3

(2.6

± 0.3)

Screw fixing fixed tensioner to crankcase

50

± 5

(5

± 0.5)

Screws fixing fan mount to crankcase

105

± 5

(10.5

± 0.5)

Screws fixing starter motor

74

± 4

(7.4

± 0.4)

Screws fixing air heater to cylinder head

30

± 3

(3

± 0.3)

♦ Before assembly, lubricate with UTDM oil

•

Before assembly, lubricate with graphitized oil

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

47

F3B CURSOR ENGINES

PART

TORQUE

PART

Nm

kgm

Screw fixing alternator

M 10x1,5

I = 35 mm

M 10x1,5

I = 60 mm

30

± 3

44

± 4

(3

± 0.3)

(4.4

± 0.4)

Screws fixing air-conditioner compressor to mount

24.5

± 2.5

(2.5

± 0.25)

Screws fixing guard

24.5

± 25

(2.5

± 0.25)

Filter clogging sensor fastening

55

± 5

(5.5

± 0.5)

Water/fuel temperature sensor fastener

35

(3.5)

Thermometric switch/transmitter fastener

25

(2.5)

Air temperature transmitter fastener

35

(3.5)

Pulse transmitter fastener

8

± 2

(0.8

± 0.2)

Injector-pump connections fastener

1.36

± 1.92

(0.13

± 0.19)

♦ Before assembly, lubricate with UTDM oil

•

Before assembly, lubricate with graphitized oil

 

 

 

 

 

 

 

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