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4.8  Drill  intermittently  with  proportional  downforce.  Pull  the  handle  over  while  drilling  for 
breakage of the chips. The drilling out process is performed intermittently, cold it by air and 
oil. In the actual drilling made to handle optimal pressure. 

 
Note:

 The speed of drill machine should not exceed 1000 rotation / min. Too high speed will 

cause drill overheating and drill is no more function. 
 

!!! Drilling out process – cooling by oil and air. 

 

Picture 27.

 Drill machine connect 

 

Picture 28.

 Vŕtanie s miernym prítlakom. Možnosť obojsmerného natočenia odvŕtavacieho mechanizmu. 

 
 

Summary of Contents for 24952

Page 1: ...facturer for current information and steps in the right order The instructions for use and recommended tools in this set are as a guideline and it is no guarantee for success This set contains special...

Page 2: ...drill 9 0mm cobalt 5 fully ground 4 12849 10 Short HSS twist drill 9 0mm cobalt 5 fully ground 1 35322 11 Spare stud Fiat Ducato 3 0 4 35069 12 Glue for threads 5 ml 1 5259 13 Inbus T handle keys both...

Page 3: ...mshafts with drainage groove Drainage groove serves the water remowing which has flowed through a leak between the windshield and the hood This technically imperfect solution to drain water causes wat...

Page 4: ...r canal which is located just below the end of the bolt Drilling out broken stud takes three hours also for manualy operation skillfully workers for all four injectors 12 hours Mechanics also make thi...

Page 5: ...reate the support frame with pre drilled holes on the localization longitudinal rails Then you install drilling out mechanism where the final position of drilling out block can tune finely set the cen...

Page 6: ...e following photo documentation shows removed and dismantled cylinder head and cylinder head prepared for mounting of drilling out mechanism for stud removing and remowing the most important parts tha...

Page 7: ...t force or increased their strength in the assembly Therefore these components made of lightweight aluminum profiles 1 1 Dismantle by T handle 5 mm Allen key 12 two original screws on the left side of...

Page 8: ...ts already mounted rails No 1 and No 2 Rail directs towards the protrusion in the engine cam housing The rails are elongated threaded holes M8 which will subsequently be used to adjust the position of...

Page 9: ...this is rare The important thing is to allow fit centering tip the short long one depending on the length of the pins for the protruding stud Both tips are with a diameter of 8 mm 2 2 If stud was bro...

Page 10: ...tud Tips dividing yellow centering tip for broken stud nr 4 8mm yellow zinc coating blue centering tip for deep broken stud nr 5 8mm blue zinc coating green tip 9mm nr 6 Picture 14 Injector retaining...

Page 11: ...mechanism just release 3 screws of stops see red marked round 2 screws are positioned in rectangular stops and 1 on triangular stop picture 16 Then we remove the handle by unscrewing screw with knurl...

Page 12: ...the broken stud by using the combination spanners 22 mm and then 3 screws connecting the base plate with middle and top part of drilling mechanism Picture 18 Handle removing from centre part of drill...

Page 13: ...the sides to facilitate remove and insert drilling mechanism without resetting the base plate and centered position 3 6 Force the stop no 1 to the middle part of a mechanism Firmly tighten is needed A...

Page 14: ...handle too chapter 3 Picture 17 Previous steps are neccessary for replace centering tip to drilling tip no6 Fix drilling tip in its position using by spanner 22mm combination spanner 22mm part from s...

Page 15: ...sticking very high above the surface of the cams cover use short drill for initial drilling No 10 Set contains only one short drill because the protruding part of broken stud is not rolling and thus s...

Page 16: ...ips blow by compressed air and remove with magnets Moderate and continuous downforce aims for fully drilling out the broken stud M8 Note One broken stud can be drilling out by one of factory sharpenin...

Page 17: ...h round knurled head no need spanner IV For removing the metal chips pull the handle to its upper position to open the cavity for blowing vacuuming or removing with magnet Removal of material chips is...

Page 18: ...air and oil In the actual drilling made to handle optimal pressure Note The speed of drill machine should not exceed 1000 rotation min Too high speed will cause drill overheating and drill is no more...

Page 19: ...esidues Remove center part of drilling out mechanism Prepare the tool for M10x1 thread tapping Picture 29 Joints cleaning and oiling and blowing metal chips by compressed air Picture 30 Greasing of dr...

Page 20: ...Picture 32 Detail fully drilled out broken stud M8 Fiat Hpi 3 Picturec32 Cross view of cylinder Fiat Ducato HPi 3 0l...

Page 21: ...x1 and guide No 7 Figure 33 5 3 Dismantle drilling mechanism in the back order of its assembly Check the cleaness of the injector stud hole After detaching drilling mechanism and before stud installin...

Page 22: ...oving of drilling mechanism to drilling out other broken studs for other cylinder position there is no need to re adjust all mechanism just slide right or left on longitudinal rails and fixed it by 4...

Page 23: ...er 1 and 3 Dismantle drilling mechanism in the back order of its assembly Check the cleaness of the injector stud hole After detaching drilling mechanism and before stud installing can be thread more...

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