Irizar PB User Manual

Workshop Manual

PB

English

REVISION 0 – FORMAT Nº 151 – 14.05.2009

Irizar PB WorkShop Manual

INDEX

HEADLIGHT SET OPENING AND LAMPS REPLACE 5

1 HEADLIGHT SET OPENING AND LAMPS REPLACE 7

FRONT, CENTRAL AND REAR DOORS ADJUSTMENT 9

2 FRONT, CENTRAL AND REAR DOORS ADJUSTMENT 11

2.1 INTRODUCTION 11

2.2 DOOR SYSTEM PARTS 11

2.3 DOOR’S MOVEMENT 12

2.4 FEATURES TO BE CONSIDERED DURING THE ADJUSTMENT 13

2.5 GEOMETRICAL ALIGNMENT 13

2.6 SEALING 14

2.7 DOOR – BODY PARALELISM 15

2.8 DOOR HEIGHT 15

2.9 DOOR CENTRAL ALIGMENT 16

2.10 OTHER FACTORS THAT CAN INFLUENCE THE DOOR OPERATION 16

2.11 STANDARD MEASURES 18

LUGGAGE COVERS ADJUSTMENT 19

3 LUGGAGE COVERS ADJUSTMENT 21

3.1 AJDUSTMENT OF THE PANTHOGRAPHIC SYSTEM ARMS 21

3.2 HORIZONTAL DISPLACEMENT 21

3.3 PARALELISM ADJUSTMENT 22

3.4 LOCKS AJDUSTMENT 23

3.5 STANDARD FEATURES 24

3.6 NOTES 24

3.7 PNEUMATIC ADJUSTMENTS 25

3.8 PNEUMATIC OIL RE-FILLING 25

3.9 ELECTRO-VALVE CLEANESS 25

3.10 LUGGAGE SEALING RUBBERS CHECKING 26

3.11 BOLTS AND FLANGES 26

3.12 LUGGAGE ACTUATOR CYLINDER MAINTENANCE 27

3.13 CYLINDER PLAIN GEAR CLEANESS 27

3.14 REPLACE CYLINDER REPAIR 28

EXTERNAL REARVIEW MIRROR MAINTENACE 29

4 EXTERNAL REARVIEW MIRROR MAINTENACE 31

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4.1 NECESSARY TOOLS 31

4.2 DRIVEMOTOR REMOVAL 33

4.3 CHANGING THE MIRROR’S MOUNTING BRACKET (DOVE TAIL) 34

WINDSHIELD WIPERS ADJUSTMENT AND MAINTENANCE 37

5 WINDSHIELD WIPERS ADJUSTMENT AND MAINTENANCE 39

INTERNAL DIGITAL CLOCK TIME ADJUSMENT 43

6 INTERNAL DIGITAL CLOCK TIME ADJUSMENT 45

TOILET DOOR SPRING FORCE ADJUSTMENT 47

7 TOILET DOOR SPRING FORCE ADJUSTMENT 49

WINDSCREEN REPLACEMENT 51

8 WINDSCREEN REPLACEMENT 53

8.1 MATERIALS AND TOOLS 53

8.2 PREPARATION 53

8.2.1 TABLE OF SUPPORT 53

8.2.2 REMOVING WINDSCREEN WIPERS 54

8.2.3 WINDSCREEN WIPES FUSE 55

8.2.4 REMOVAL OF THE REARVIEW MIRROR 55

8.2.5 PROTECTION OF THE BORDERS 56

8.3 REMOVING THE CRACKED WINDSCREEN 56

8.3.1 CUTTING GLASS 56

8.3.2 REMOVING THE GLASS RESIDUES (SIDES, TOP AND BOTTOM) 56

8.4 CLEANING 57

8.4.1 CLEANING BODY FRAME 57

8.4.2 CLEANING THE WINDSCREEN 57

8.5 APPLICATION 58

8.5.1 PROTECTION OF THE WINDSCREEN 58

8.5.2 APPLICATION 58

8.5.3 PRIMER APPLICATION 59

8.5.4 WINDSCREEN SUPPORT 59

8.5.5 APPLYING SIKAFLEX BOUNDER 60

8.6 THE WINDSCREEN 60

8.6.1 FITTING THE WINDSCREEN 61

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HEADLIGHT SET OPENING AND LAMPS REPLACE

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HEADLIGHT SET OPENING AND LAMPS REPLACE

[e-mail]

Open the inspection cover and remove the

Push the bolt as indicated by the red arrow.

Turn the headlight set as indicated in the

picture at the left side, combining with the movements

Remove the seal cover of the headlight set.

Unlock the lightbulb support.

Do the closing operations alway taking

assure a good seal of the headlight with the seal

Irizar PB WorkShop Manual

1

headlight fixing bolts.

indicated by the red arrows.

care of

covers.

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Irizar PB WorkShop Manual

FRONT, CENTRAL AND REAR DOORS ADJUSTMENT

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FRONT, CENTRAL AND REAR DOORS ADJUSTMENT

permits water, air or dust leaks

Presents difficulties to open or close.

akes too much time to open or close.

external help to open or close.

oor’s vertical movement during the closing phase.

Controls the door’s seal during the closing moviment phase.

[e-mail]

Coupling

Coupling

Irizar PB WorkShop Manual

2

2.1

INTRODUCTION

Door are considered not adjusted when:

• Rattles.

• Do not close adequately and

•

• T

• Needs

2.2

DOOR SYSTEM PARTS

Upper Triggers Set – Limits the d

A (door)

B (body frame)

– sealing problems

Lower Triggers Set –

A (door)

B (body frame)

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Responsible for the door’s moviment.

Movement responsible for the door’s seal.

[e-mail]

Irizar PB WorkShop Manual

Electric System (BODE) –

Counter Arm

External Mount

2.3

DOOR’S MOVEMENT

Internal Pillar

Electric Driven
Motor

Paralell to the bus

Perpendicular to the bus–

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This movement is responsible for coupling the door with the

vertical and

DERED DURING THE ADJ

The geometrical alignmen

This feature is controlled by the

[e-mail]

the door system.

alignm

set and by the positioning of the doors mounts

Irizar PB WorkShop Manual

Vertical –

with body frame,

assuring rigidity of the set, combining the

2.4

FEATURES TO BE CONSI

· GEOMETRICAL ALIGNMENT

· SEALING

· PARALELISM WITH THE BODY

· DOOR’S HEIGHT

· DOOR’S CENTRAL ALIGNMENT

· SENSITIVE SYSTEM

2.5

GEOMETRICAL ALIGNMENT

perpendicular movements on

USTMENT

the illustration.

t is correlated with the door x body frame

wedges

ent, as seen in

.

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Irizar PB WorkShop Manual

General alignment problems can be generated by bad wedges coupling. Such defect can be observed

pulling up the door rubber after its closure.

Another reason might be bad ajdustment of the door’s fixing arms.

In the case of poor geometrical alignment, the adjusment of the wedges set

and the external door fixation can help.

In order to adjust the external mounting plates, just free the mounts, one by

time, and use the rubber hammer to ajdust it’s position.

2.6 SEALING

The door’ seal is very important to prevent air, dust or water leaks, and even prevent noise from the

unwanted air inlet. The upper wedges set are responsible for bring the door close to the body.

Excess of sealing force implies on over stress on the wedges wich reduce its lifespan and can cause

damage in body frame rubber. It’s possible to achieve good seal when the door’s surface gets aligned with the

body’s lateral surface.

Lack of seal can have as natural cause the poor coupling of the wedges, as can be seen in the pictures

below.

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ROD

Irizar PB WorkShop Manual

2.7 DOOR – BODY PARALELISM

This feature is defined by the rod located in the lower part of the door. The doors displacement with the

body frame must be paralel, wich means the two sides of the doors must touck the body frame simultaneously.

When just a single side of the door touch the body frame, one of the wedges set will couple first, causing

closing problems. In these cases, we might have problems with the geometrical aligment and poor coupling of the

not-yet coupled triggers.

To prevent such problems the rod must be correctly

adjusted trough the bolts that fix the rod in the body trough slots

holes as can be seen in the picture aside.

2.8 DOOR HEIGHT

The door must be aligned with the body’s side lines, with the body frame on the lower part. Such alignment

can be obtained by ajdusting the lower wedges, with limitation of the door’s rising movement.

Not Aligned

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That ajustment is important to prevent air, dust or water inlets and therefore the noise production

adjusting the door’s height can be done by

. Using the rubber hammer, the arm’s position can be changed with soft strikes.

THE TWO ARMS AS THE SAME.

body frame

achieved combining the past adjustments.

INFLUENCE THE DOOR O

[e-mail]

the bolts indicated by the picture

and the door must be equal both sides. Such features can be

Irizar PB WorkShop Manual

.

The procedure of

below

Warning: NEVER LOOSEN

2.9

DOOR CENTRAL ALIGMENT

The gaps between the

loosening

ARM2

ARM1

2.10

OTHER FACTORS THAT CAN

Misuse of Equipment

- Transit with open doors;

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CENTER

PERATION

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Lack of maintenance of the neumatic system.

Torques that need to be applied in the bolts that fix the door.

30 N.m

30 N.m

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40 N.m

40 N.m

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2.11 STANDARD MEASURES

In the external mounting bearings, the distance betwen the

work nut and the bolt nut must be 20mm.

The maximum gap between the trigger’s set during the closing
phase must be 2mm.

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LUGGAGE COVERS ADJUSTMENT

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Irizar PB WorkShop Manual

3 LUGGAGE COVERS ADJUSTMENT

3.1 AJDUSTMENT OF THE PANTHOGRAPHIC SYSTEM ARMS

The bolts indicated in the pic.1 are responsible for the position of the pantographic system. The fig. 2

indicates the movement allowed at the system adjustment.

3.2 HORIZONTAL DISPLACEMENT

After ajdusted the structure arms, the cover must be adjusted according the panel and the adjacent covers.

The gas dumper allow s 10mm of horizontal dislocation, as seen in the drawing below.

GAS STAY

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Irizar PB WorkShop Manual

3.3 PARALELISM ADJUSTMENT

The rod indicated aside controls cover paralelism during the

opening and closing movements. Such feature must be controled

correctly to prevent poor sealing during the closing phase,

preventing water or dust inlet trough the luggages.

Below we have indicated the work nut in the rod

adjustment. Freeing the nut and using the wrench makes

possible to enlarge or reduce the rod.

Ps: The screw is inverted

Increasing the Rod lenght a displacecment to the positive side of the angly will happen, reducing the

lenght the effect is the oposite.

+

-

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Irizar PB WorkShop Manual

The covers must be always aligned with the imediately adjacent doors and

with the lateral panel. Trough the device shown aside it is possible to change the

cover’s height in a zone of 10mm, like seen below.

That adjustment is very important in order to assure the aligment with the

external panel and prevent water and air inlets in the lugagges.

3.4 LOCKS AJDUSTMENT

The locks must be aligned always according the strutucutre’s pin.

The locks can be adjusted in the 5mm zone according the pictures below.

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Irizar PB WorkShop Manual

3.5 STANDARD FEATURES

The standard gaps between the covers and the lateral panel are shown schematicaly in the drawing below.

3.6 NOTES

All the covers have a excess of metal around it to permit the correct after-factory adjustments .

The structure of the covers are reinforced with aluminium sheetmetal where the the rod fixation holes shall

be made.

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Clean the sealing ring housing

Irizar PB WorkShop Manual

3.7 PNEUMATIC ADJUSTMENTS

The luggage compartment opening system is automatic operated by air. For this reason, regular maintenance

stoppings must be accomplished for the proper operation of the vehicle. All the works described on the following

items must be accomplished each 50.000km or 6 months of operation.

3.8 PNEUMATIC OIL RE-FILLING

1 - Purge the System Humidity.
2 – Complete the lubricant level, 30 cm3.

3.9 ELECTRO-VALVE CLEANESS

It is very important remove the solenoids and clena the electro-valves sealing ring housing to avoid air

leaks during the operation.

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A

Irizar PB WorkShop Manual

3.10 LUGGAGE SEALING RUBBERS CHECKING

The Sealing rubber conditions is quite important to avoid water leaks. So on each maintenance stopping,

sealing rubbers must receive a visual check and be replaced if necessary.

Rubber “A” dimension not less than 23mm.

3.11 BOLTS AND FLANGES

A visual check on indicated bolts and flanges are important to prevent failures. This work must be

performed at least each 6 months of operation.

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3.12 LUGGAGE ACTUATOR CYLINDER MAINTENANCE

The Luggage actuator is responsible to open the luggage doors. The clearances between the plain gear

and the main gear must be removed as long as it appears.

Follow the steps below, each 6 months, to prevent premature wear and tear of the gears.

A- Slightly loosen bolts 1, 2 and 3.
B- Move the cylinder up turning over point 2.
C- Compensate all clearance between the plain gear and gear on turning bar.
D- Tight the bolts strongly.

3.13 CYLINDER PLAIN GEAR CLEANESS

Clean the Plain gear with wet
cloth and apply grease.

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Irizar PB WorkShop Manual

3.14 REPLACE CYLINDER REPAIR

Replace actuator cylinder repairing kit, if necessary.

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EXTERNAL REARVIEW MIRROR MAINTENACE

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Find the locking

-

bolt at the lower side of of the

Loosen

the lock

ing-

bolt with the long

-

rod hex key.

Irizar PB WorkShop Manual

4 EXTERNAL REARVIEW MIRROR MAINTENACE

4.1 NECESSARY TOOLS

· Rubber Hammer.

· 5mm long-rod hex-key.

· Ratchet hex key with 8mm sockets.

mirror’s arm.

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Remove the fixation lock from the mirror’s arm.

To remove the mirror’s arm, push up the arm

with

Disconnect

the

cable t

he eletrical motor and

mirrer

To remove the morror, use a screw driver to make a lever and lift the fixing plastic point

.

All mirror sets are composed by a plastic base and glass.

There are not screw a fixation to facilitate the

Irizar PB WorkShop Manual

both hands.

demister circuit.

maintenance.

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See all the

left image the

mirrors removed

. B

y two conector wich must be desconected in order to remove the mirror.

Both mirrors have a demister system

Locate the three

fixing

bolts on the mirror support and

loosen

them to remove the support.

Irizar PB WorkShop Manual

and the harness must be disconnected in order to remove the mirror.

4.2 DRIVEMOTOR REMOVAL

The glass and the plastic base are single parts and can

not be separated.

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Irizar PB WorkShop Manual

After remove the mirrors’s pad, we have access to the

mirror’s drivemotor.

To remove the drivemotor, loosen the four bolts

located behind it, using the long-rod hex key.

4.3 CHANGING THE MIRROR’S MOUNTING BRACKET (DOVE TAIL)

Before reassembly the mirror, inspect the mounting

bracket for possible damage or cracks.

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Find the four m8 bolts on the mounting bracket of the

To remove the mounting bracket re

move the four bolts

Irizar PB WorkShop Manual

mirror’s arm.

using the long-rod hex-key.

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Irizar PB WorkShop Manual

WINDSHIELD WIPERS ADJUSTMENT AND MAINTENANCE

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Tools needed:

There are two synchronism rods located each one at

In the right synchronism rod the bolts must be in the

The Adjustments are done in the right arm of the mechanism, by

loosening

the bolts behind the synchronism rod

Irizar PB WorkShop Manual

5 WINDSHIELD WIPERS ADJUSTMENT AND MAINTENANCE

13mm and 17mm wrench

The windshield whipper adjustment is done foremost on

the synchronism rod wich controls the start angle of the

arms.

each side of the mechanism behind the front cover,

each one fixed by two m8 bolts in elongated holes.

center of the elongated holes.

with the help of the 13 wrench and sliding the wiper blades to the desired position.

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There must be observed that, at the start of the movement, the wiper blade

is paralel to the synchronism rod. At

Irizar PB WorkShop Manual

the end of the movement the blade must be at least 50mm from the column border.

Important: To test the work of the wipers, the mechanism must operate at second speed, on a wet windshield.

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Irizar PB WorkShop Manual

In order to remove the motor of the windshield wiper,

remove the three bolts m10 that holds the motor, with

the 17 wrench; Remove the the m8 bolt with the 13

wrench, moving the motor downwards.

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Irizar PB WorkShop Manual

INTERNAL DIGITAL CLOCK TIME ADJUSMENT

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Irizar PB WorkShop Manual

6 INTERNAL DIGITAL CLOCK TIME ADJUSMENT

The digital clock time is adjuted by using a magnetic. All vehicles tools sets accompains a magnetc stick. Any
magnetic with suitable size can be applied for this work.

Place the magnetic on the position below to adjust the hour:

Place the magnetic on the position below to ajust the minutes:

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Irizar PB WorkShop Manual

TOILET DOOR SPRING FORCE ADJUSTMENT

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Release the pressure over the hinge pin by slightelly turning the

Remove the pin

Tight bolt to left in ¼ of turn.

Hold the allen tool and

put the pin back.

Irizar PB WorkShop Manual

7 TOILET DOOR SPRING FORCE ADJUSTMENT

The toilet door hinge spring must be adjusted as long as some complains about door opening during the
bus operation appear. Excessive force on hinge reduces the time life or generates eventual breaks.

top bolt to the left.

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Irizar PB WorkShop Manual

WINDSCREEN REPLACEMENT

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Irizar PB WorkShop Manual

8 WINDSCREEN REPLACEMENT

The installation of the windscreen, it should only be done by experienced professionals, in case of doubt

during the installation, contact the one of our technical representative available on technical assistance network

list that joints the bus body manual or available in the internet www.irizar-sat.com.br.

8.1 MATERIALS AND TOOLS

Below, the list of materials and tools, that will be used for the change of the windscreen.

Pic. 1 Pic. 2

Pic. 6

Pic.1: Grainer with diamond disc
Pic.2: Pneumatic knife
Pic.3: Sika Aktivator and Sika Primer-206 G+P
Pic.4: Sikaflex
Pic.5: Primer Aplication bottle

Pic.7 Pic.8 Pic.9

8.2 PREPARATION

8.2.1 TABLE OF SUPPORT

This table is for the instalation to have the necessary support to handle the windscreen procedures with

Pic. 3

Pic. 4

Pic.6: Windscreen Support
Pic.7: Allen Key, #5
Pic.9: Windy Handly
Pic.10: Sika Gun

Pic. 5

total safety.

See the images below:

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Training
Training in Maintenance

image of the support table

8.2.2 REMOVING WINDSCREEN WIPERS

It is necessary to remove the windscreen wiper to facilitate the process and to be possible to fit the

windscreens support. Use a wrench no. 17.

Wiper arm fixing Point

image of the support table

Removing the arm

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Remove the fuse that protects the wiper motor

Training
Training in Maintenance

8.2.3 WINDSCREEN WIPES FUSE

working to avoid accidents while support for

windscreen is placed on wiper blade axles.

Fuse box

8.2.4 REMOVAL OF THE REARVIEW MIRROR

Irizar indicates to remove the rearview mirrors off to avoid accidents and damages during the windscreen

removal. It also provides better conditions for finishing procedures.

Follow the steps below to have a successful operation:

Remove the fixing screw – Allen 5

Use a rubber hammer to start the sliding movement

Mirror harness must be disconnected.

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Training
Training in Maintenance

8.2.5 PROTECTION OF THE BORDERS

The border where is fit in the glasses must be protected with masking tape for not scratching the painting

while the cracked glass is removed. The masking tape must surround the windscreen hole. Masking paper must

be applied on front dome.

Masking tape surrounding the windscreen hole

8.3 REMOVING THE CRACKED WINDSCREEN

8.3.1 CUTTING GLASS

Remove the center of old windscreen using the grainer with diamond disc.

Masking paper on front dome

A distance from the column must be

maintained along the cut to avaid damages in the

internal finishing of the vehicle.

8.3.2 REMOVING THE GLASS RESIDUES (SIDES, TOP AND BOTTOM)

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Training
Training in Maintenance

The the adhesive residues shall be removed with the Pneumatic cutter. The process must be carefully

handle to avoid the green primer layer removing. This primer layer is responsible to protect the vehicle structure

against corrosion. As long as it is removed, corrosion spots would appear later.

It is necessary to remove the excess of the eraser, it is not necessary to remove completely, only enough,

to leave from 1 to 2 mm layer, the new bounder cord can be applied over the old one suitably prepared.

Remaining Adhesive layer (1 to 2mm thick)

8.4 CLEANING

8.4.1 CLEANING BODY FRAME

The structure must be compressed air and be free of any grease,

oil or humidity. A piece of cloth with isopropyl Alcohol must be applied

and process must continue after 20 minutes.

8.4.2 CLEANING THE WINDSCREEN

The new windscreen must be cleanead with alcohol and wait for 5

minutes before continue the process. Special care must be given on windscreen

borders where adhesive will have contact.

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8.5 APPLICATION

8.5.1 PROTECTION OF THE WINDSCREEN

Internally, the windscreen must receive a masking tape protection, distant 20mm from windscreen

border. On this are, the Sika Aktivator and primer will be applyied.

8.5.2 APPLICATION

Apply the Sika Aktivator wainting for 15 minutes to solvent evaporation before continue the process.

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The Primer 206 G+P must be

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Aktivator must also be applied

along the windscreen border face as

shown aside.

Pic. 11

8.5.3 PRIMER APPLICATION

applied where Sika activator was used.

It is important to apply a uniform

primer strip, including the windscreen

border face.

Wait for 15 minutes before fit the

glass on the body frame.

Sika Primer 206 G+P

8.5.4 WINDSCREEN SUPPORT

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Using the Sika Gum,

apply a uniform Sika

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Irizar indicates the windscreen support to help during the process. It maintains the alignment and

supports the windscreen weight while the bounder is being cured, avoiding non-wanted displacement of the glss.

The “T” support is applied on wiper

arms axle.

8.5.5 APPLYING SIKAFLEX BOUNDER

cord surrounding the windscreen hole. Mind the

corners where the junction between fiber glass

and structure is done. Wrong sika application

would generate water and dust leaks.

Afte fit the new windscreen; the time for

cure is minimum 8 hours to avoid displacing of the

glass.

8.6 THE WINDSCREEN

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The new windscreen must be

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8.6.1 FITTING THE WINDSCREEN

fitted over the supports, minding the

top and bottom alignment with the

body. In general, when the support is

used, no alignment problems appear.

The suitable finishing must be applied on sika cord

removing the bounder excess.

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