13920usomanutenzione-A_ING(73-88,102,103)

8/10/2019 13920usomanutenzione-A_ING(73-88,102,103)

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65

COPYRIGHT BY AROL NO REPRODUCTION OR CHANGE - EVEN PARTIAL - ALLOWED

3.4. HEAD ADJUSTMENT

The head is delivered already adjusted for the type of closure ordered by the

Customer and does not require further adjustment. If necessary, carry out anew adjustment by following the operations described below.

Remove the head from themachine as described in paragraph 3.3. on page 63.

3.4.1. HEAD PREPARATION

Measure and take note of thedistance (D1).

Fig.65

D1

Using the hexagonal wrench (4)loosen the nuts (F).

Fig.66

F

4


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COPYRIGHT BY AROL S.p.A. NO REPRODUCTION OR CHANGE - EVEN PARTIAL - ALLOWED

Using the hexagonal wrench (4)completely unscrew the adjust

ment bushes (G).

Fig.67

G

4

H1

Using the hexagonal wrench (4),

and the hexagonal wrench (12)to keep locked the spring guidetie rods (H), loosen the bolts(H1).

Fig.68

H

4

12

H1

Using the hexagonal wrench(12) completely unscrew thespring guide tie rods (H).

Fig.69

H

12


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Withdraw the spring guide tierods (H) and remove the nuts

(H1).

Fig.70

H

H1

Remove the springs (I).

Fig.71

I

Remove the spacers (J).

Fig.72

J


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Insert the head into a vice withsoft jaws.

Fig.73

Use the wrench (13) to unscrew

the fastening Allen screws (J).

Fig.74

J

13

Fig.75

J


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Remove the centring device (K).

Fig.76

K


and remove the centringdevice's support columns (L).

Fig.77

L

12

Fig.78

L


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Move the roller support arms ina closed position by pushing

the head downward.

Fig.79

Insert the specific adjuster pad

(8), indicated in the adjustmenttable, in the bottle mouthholder.

Fig.80

8


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3.4.2. ADJUSTING THE THREAD-ING ROLLER

Using the wrench (13), loosen

the grub screws (M) in order tofree the bush (N).

Using the wrench (5) screw orunscrew the bush (N) in order tobring the threading roller (O) tothe height of the adjuster padsurface (8).

For a further delicate adjustment, when provided, it is necessary to screw or unscrew thebush (N) of n/6 of angle as

described in Head calibrationtable.

EXAMPLE:

towards

mouthpresser

towards

centering device

Towards mouthpresser:screw the bush (N) in suchway to move the rollertowards the mouthpresser.

Towards centering device:screw the bush (N) in suchway to move the rollertowards the centeringdevice.

Each equals to 60 of

rotation. To make easy theoperation use as referenceof rotation the 6 faces ofthe nut into the bush (N).

If in the table the movement

towards the mouthpresser andcentering device are not indicated, it means that the adjustment must be carried out with theadjustment pad.

When the adjustment is complete, use the wrench(13) toblock the grub screws (M).

Fig.81

M

13

N

Fig.82

O

5


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3.4.3. THREADING ROLLER SIDELOADING ADJUSTMENT

When the cap thread is excessivelypressed and the metal is cut in some

points, proceed as follows:

using the wrench (10) loosen

the nut (S).

Fig.86

S

10

With the wrench (13) unscrew

the spring holder bush (T) untila sufficient incision is obtained.

Fig.87

T

13

When the cap thread is slightlypressed, proceed as follows:

using the wrench (10) loosenthe nut (S).

With the wrench (13) screw thespring holder bush (T) until asufficient incision is obtained.

Repeat the same operations forthe remaining threading rollers.

We recommend, before use inproduction, carrying out a few testclosures.


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3.4.4. ADJUSTING THE SKIRTINGROLLER

Using the wrench (13), loosen

the grub screws (U) in order tofree the bush (V).

Using the wrench (5) screw orunscrew the bush (V) in order tobring the skirting roller (W) tothe height of the adjuster padsurface (8).

For a further delicate adjustment, when provided, it is necessary to screw or unscrew thebush (V) of n/6 of angle as

described in Head calibrationtable.

EXAMPLE:

towards

mouthpresser

towards

centering device

Towards mouthpresser:screw the bush (V) in suchway to move the rollertowards the mouthpresser.

Towards centering device:screw the bush (V) in suchway to move the rollertowards the centeringdevice.

Each equals to 60 of

rotation. To make easy theoperation use as referenceof rotation the 6 faces ofthe nut into the bush (V).

If in the table the movement

towards the mouthpresser andcentering device are not indicated, it means that the adjustment must be carried out with theadjustment pad.

When the adjustment is complete, use the wrench(13) toblock the grub screws (U).

Fig.88

U

13

V

Fig.89

W

5


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Loosen the nut (X) using thewrench (12).

Fig.90

X12

Using the wrench (13), unscrew

the grub screw (Y) until theskirting roller (W) comes intocontact with the pad diameter.

Block the nut (X) making surethat the grub screw (Y) does notmove.

Repeat the same operation forthe remaining skirting arms.

Fig.91

Y

13

Free the cam (R) returning it tothe stop position (the rollersholder arms widen).

Fig.92

R


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3.4.5. SKIRTING ROLLER SIDELOADING ADJUSTMENT

When the cap skirt has not been wellexecuted, proceed as follows:

using the wrench (10) loosenthe nut (Z).

10

Fig.93

Z

With the wrench (13) screw or

unscrew the spring holder bush(AB) until a sufficient skirt isobtained.

Fig.94

AB

13

Repeat the same operation forthe remaining skirting rollers.

We recommend, before use inproduction, carrying out a few test

closures.


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3.5. BOTTLE MOUTH HOLDER REPLACEMENT

Remove the head from the machineas described in paragraph 3.3. onpage 63. and proceed as follows:

insert the head into a vice withsoft jaws.

Fig.95

Using the wrench (13), unscrewthe fastening Allen screws (J).

Fig.96

J

13

Fig.97

J


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Remove the centring device (K).

Fig.98

K


and remove the centringdevice's support columns (L).

Fig.99

L

12

Fig.100

L


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With the wrench (13), loosen thegrub screws (AC).

AC

Fig.101

13

Withdraw the pins (AD).

Remove the roller support arms.

AC

Fig.102

AD

Continuing in the same manner, remove the remaining

roller support arms.

Fig.103


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Using the wrenches (7) insertedin the bottle mouth holder hole

(AE) and in the central shaft

hole (AF), unscrew and removethe bottle mouth holder. If thebottle mouth holder is blocked,lightly strike the wrench handle.

The bottle mouth holder threading is left handed.

Proceed in assembling the newbottle mouth holder.

Reassemble the arms andcentring device, carrying out

what was previously describedin the opposite direction.

Carry out the adjustment asdescribed in paragraph 3.4. onpage 65.

Fig.104

AE

AF

Fig.105

7

7

Fig.106


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FAULT CAUSE REMEDY

Lifting or lowering thehead, the head does not

move vertically.

Interference with the container conveying equip

ment, foreign matters in thelifting mechanism, other.

Identify the reason hindering the lifting and remedy it.

The fastening screw of thesliding bush has not beenloosened.

Loosen the screw.

Min. or max. limit of headvertical range reached.

Make sure the machine hasbeen preset for the container size to be processed.If yes, contact the Tech-

nical service.

Caps are not descending

from the caps sorter.

The caps sorter discharge

opening is clogged.

Remove possible caps,

cap parts or foreign matters.

Check on the pressure

gauges if the pressure ofthe air jets is correct.

Caps are not correctly sizedor are strained.

Use caps with the suitablesize and even features.

The cap is too much littleor not at all threated.

Insufficient pressure of the

threading rollers.

Adjust the pressure of the

threading rollers.

Incorrect head height. Place the head at the correct height for the bottle tohandle.

Springs of the head are

broken.

Dismount the head from

the machine and replacethe springs.

Threading roller are locked(seized up).

Manually check the rotationand the sliding of threadingrollers. If they are locked,

dismount them, clean themand lubricate them.

Spring of the threadingroller is broken.

Replace the spring of thethreading rollers.

The cap is too much littleor not at all skirted.

Incorrect height of the skirt

ing rollers.

Adjust the height of the

rollers

Insufficient pressure of theskirting rollers.

Adjust the pressure of therollers

Spring of the skirting roller isbroken.

Replace the spring of theskirting roller.


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REMEDYCAUSEFAULT

The cap is cut on thethread.

Too much pressure on thethreading rollers.

Adjust the pressure of thethreading rollers.

Threading rollers are locked(seized up).

Manually check the rotationand the sliding of threadingrollers. If they are locked,dismount them, clean themand lubricate them.

Problem in caps distribu-

tion.

Incorrect cap gripping Check the height of thehead.

Check the operating ofsprings (M) of the capspositioning device.

M

Check that the caps posi

tioning device is properly

operating. If NO contactTechnical Assistance Ser-

vice.

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