Engine Iveco Vector 8. Manual — part 29

Figure 6

Figure 7

Figure 8

Figure 9

- Unscrewing the relevant screws (3), remove the 16

covers of the tappet housings (4).

- Fit the tool 99368502 (6) in correspondence with the

inside of the flywheel housing (opposite side to the
starter motor).

!

Handle all parts extremely carefully. Never get
your hands or fingers between pieces. Wear the
required safety clothing such as goggles, gloves,
safety shoes and helmet.

To adjust the rocker arm assembly, proceed as illustrated
here:

In maintenance conditions with the engine on the
stand to obtain greater precision in positioning
cylinder 1 at T.D.C. it is also possible to remove the
tappet cover.

- Fitting the 24 mm ratchet wrench on the back of tool

99368502 (see preceding page), turn the engine flywheel
until we obtain the required cylinder balancing (the 4
valves are at the same height).

- To obtain cylinder no.1 or no.6 in T.D.C. conditions it is

necessary to position the damping flywheel as indicated
in the picture.
For

the

following

balancing/adjustments

it

is

recommended to trace some marks on the elastic joint
drive wheel, placed at 90

° one from theother.

- After obtaining this condition of balancing we move on

to adjust the valves in the following order.

BALANCING

ADJUST

FIRST STEP

83505

81601

ADJUSTING ROCKER ARM ASSEMBLY

NOTE

81605

81603

88

SECTION 3 - INDUSTRIAL APPLICATION

VECTOR 8 ENGINES

Base - April 2006

Print P2D32V001E

Figure 10

Figure 11

- Using the wrench kit 99368503, loosen the lock nut (1)

of the adjuster screw (2).

- Insert the tappet feeler gauge (0.50) 99368545 (3).

BALANCING

ADJUST

SECOND STEP

- To make the adjustment, proceed as illustrated here:

Figure 12

Figure 13

- With kit wrench 99368503, screw or unscrew the

adjuster screw (2).

- Check that the tappet feeler gauge (3) can slide with a

slight amount of friction.
Keeping the adjuster screw (2) still use wrench
99368503 to lock the check nut of the adjuster screw
(1).

81606

82184

82183

82185

SECTION 3 - INDUSTRIAL APPLICATION

89

VECTOR 8 ENGINES

Print P2D32V001E

Base - April 2006

Figure 14

- Adjust the other valves in the order shown on previous

page.

- Now close all 16 covers, extract the tool for turning the

flywheel and close the flywheel cover.
Tightening torque 7

÷ 10 Nm.

Figure 15

1. Adjuster screw lock nut — 2. Adjuster screw.

- Apply the 10 — 60 Nm torque wrench with the 3/8”

square connection 99389831 (4) to the wrench
99368503 to lock the lock nut to a torque of 40 Nm.

0,5 mm
0,5 mm

82186

81611

90

SECTION 3 - INDUSTRIAL APPLICATION

VECTOR 8 ENGINES

Base - April 2006

Print P2D32V001E

After positioning the tool (1) 99360091 under the filter,
unscrew and remove the filters (3) and (4) with the aid of a
27 mm wrench (2). Hand screw and tighten for another 3/4
turn. Unscrew the air jets nozzle on filters support and pump
on the manual priming pump. Tighten the air jets nozzle
when the fuel go out.

CHANGING FUEL FILTERS

!

Handle all parts extremely carefully.
Never get your hands or fingers between pieces.
Wear the required safety clothing such as goggles,
gloves, safety shoes and helmet.

Improper waste disposal is a threat for the
environment. Potentially hazardous waste used on
IVECO vehicles includes lubricants, fuels, coolants,
filters and batteries.
—

Use watertight containers when draining off
fluids. Never use containers for foodstuffs or
beverages that can lead people to drink from
them.

—

Never throw waste on the ground, on tips or
in water courses.

—

Obtain information on the appropriate ways
of recycling or disposing of waste from the
local authorities or collection centres.

Figure 16

Figure 17

Before disassembling, place under the filter a basin
of suitable capacity.

NOTE

SECTION 3 - INDUSTRIAL APPLICATION

91

VECTOR 8 ENGINES

Print P2D32V001E

Base - April 2006