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Contents

 

 

 

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1.  Generally ..................................................................................................... 2 

 

2.  Safety Precautions ........................................................................................ 2 

 

3.  Dimensions .................................................................................................. 4 

 

4.  Technical Data ............................................................................................. 5 

 

5.  Maintenance ................................................................................................ 6 

 

6.  Testing ........................................................................................................ 6 

 

7.  Fault Location .............................................................................................. 7 

 

8.  Mounting and Dismounting of Main Components ............................................ 8 

 

9.  Repair of Cylinder ........................................................................................ 14 

 

10.  Repair of Valve Housing and Trigger Piston  .................................................. 15 

 

11.  Charging of Accumulator .............................................................................. 19 

 

12. Handle Check .............................................................................................. 21 

 

13. Tool List  ..................................................................................................... 22 

 

14.  Spare Part Drawings/Lists ............................................................................ 23

Summary of Contents for HH10

Page 1: ...Hydraulic Breaker HH10 HH10RV HYCON A S Juelstrupparken 11 DK 9530 Støvring Denmark Tel 45 9647 5200 Fax 45 9647 5201 Mail hycon hycon dk www hycon dk ...

Page 2: ...ical Data 5 5 Maintenance 6 6 Testing 6 7 Fault Location 7 8 Mounting and Dismounting of Main Components 8 9 Repair of Cylinder 14 10 Repair of Valve Housing and Trigger Piston 15 11 Charging of Accumulator 19 12 Handle Check 21 13 Tool List 22 14 Spare Part Drawings Lists 23 ...

Page 3: ...g down A fine jet of oil at pressure can penetrate the skin It is therefore important never to use your fingers to check for oil leaks and never to hold your face close to su spected leaks use a piece of cardboard instead If oil has penetrated the skin you should get medical treatment immediately Never leave the breaker when connected to the powerpack Always use correct chisel Before connecting th...

Page 4: ...ses may never be done while the breaker is connected to the powerpack as uninten tional activation of the breaker can cause severe damage Always connect hoses to the breaker before starting the powerpack Be sure that all couplings are tight The breaker may not be operated if the oil temperature is above 70 C Operation at higher temperatures may result in the breaker getting warmer than normal and ...

Page 5: ...4 3 Dimensions ...

Page 6: ...sure relief valve 160 bar 2320 psi Max return pressure 15 bar 220 psi Blow frequency 2100 1 min Blow energy 22 Joule Max oil temperature 70 C Accumulator charging pressure 40 bar 580 psi Cooling capacity needed 2 kW Vibration level 3 axis ISO 20643 9 6 m s 140 dB Uncertainty K 1 4 m s 123 dB Sound pressure level LPA 1 m 93 dB Sound power level LWA guaranteed 105 dB Tool size standard 19x50 mm ...

Page 7: ...fore check this prior to testing the breaker Mount the test equipment at the end of the extension hose without the breaker connected If the test equipment has a flow valve it must be fully open during the entire test Set the power source on ON and check that the oil flow corresponds to the technical data of the breaker At this time the pressure may not exceed 15 bar Test the breaker by mounting th...

Page 8: ... Chisel retainer gets loose during operation Replace lock ring in chisel retainer Chisel bushing or chisel retainer are worn Replace parts see section 8 Wrong chisel size Check Breaker works irregularly Impurities in hydraulic oil Replace oil and oil filter see workshop manual of power source Oil level in power source too low Add hydraulic oil Wrong chisel size or worn chisel bushing Check Bad per...

Page 9: ...8 8 Mounting and Dismounting of Main Components Dismount chisel retainer and nose part Dismount tail hoses fittings and plastic cover ...

Page 10: ...9 Dismount handle Dismount accumulator IMPORTANT There are two screws in the same hole loosen them carefully ...

Page 11: ...s of HH10 breaker Mounting of Main Components Start by mounting the cylinder on the valve block Make sure to degrease all parts carefully with Loctite 7063 Add a drop of Loctite 243 in the four threads and tighten with a torque of 40 Nm ...

Page 12: ...3 Mount the seal ring on the accumulator and grease the thread with Loctite 638 Tighten the accumulator with a torque of 90 Nm Then make a mark by means of a 5 mm drill Clean the set screw add Loctite 243 and tighten it with a torque of 5 Nm Insert the screw plug and tighten ...

Page 13: ...ead and screws with Loctite 7063 Make sure that the distance piece is attached to the rod of the trigger piston Tighten the screws with a torque of 25 Nm Then mount the plastic cover Screw in the fittings and tighten with a torque of 80 Nm ...

Page 14: ...l threads Tighten screws with a torque of 25 Nm Mount the lock ring on the chisel retainer Grease the thread of the nose part with copper paste and mount the chisel retainer Mount tail hoses Mount the pressure hose with female coupling at P and mount the return hose with male coupling at T ...

Page 15: ...so distinct that you can feel them with a nail Also check the cylinder contact surface towards the valve housing for errors Dismounting Mounting At every repair replace all seals at the bottom of the cylinder When mounting a new rod wiper use HYCON special tool part No 9991775 Be careful not to damage the surfaces when removing the old seals ...

Page 16: ...15 10 Repair of Valve Housing and Trigger Piston Remove the trigger piston carefully Then loosen the screws and also remove the spool carefully Dismounting ...

Page 17: ...y not have scratches you can feel with a nail If the breaker is leaking oil around the trigger rod replace seals in the seal housing Mount new O rings first Mount new seal Press the seal into position with your finger Carefully hammer the rod wiper into position with HYCON special tool part No 9991664 When mounting the washer it is important to place it correctly The plane side of the washer must ...

Page 18: ...17 Mounting of Spool Clean carefully with Loctite 7063 degreaser If necessary use an M6 threaded pin to remove old Loctite Add Loctite 243 when mounting and tighten the screws with a torque of 12 5 Nm ...

Page 19: ...18 Mounting of Trigger Piston Carefully grease the trigger piston before pushing it in add Loctite 243 to the two threads and tighten the screws with a torque of 12 5 Nm ...

Page 20: ...gm the accumulator must be replaced Loosen the charging screw If the accumulator is in order you can hear a clear whistling sound of Nitrogen In this case merely recharge the accumulator If there is no whistling sound the diaphragm is probably damaged and must be replaced HYCON filling device part No 4040061 We can supply adaptors for other filling devices both between bottle and filling device an...

Page 21: ...lling device is closed and then carefully turn on the gas until the pressure gauge shows 60 80 bar Close the bottle Loosen the charging screw by means of the handle Carefully open the valve on the filling device A and close when the pressure gauge shows 40 bar Tighten the charging screw by means of the handle on top of the filling device B and let out the remaining gas by opening the valve on the ...

Page 22: ...nce of the trigger lever does not exceed 5 mm If the clearance is too big the cause may be extension of the hole where the trigger lever is mounted due to wear or wear on the distance piece inside the handle Replace the parts if they are worn ...

Page 23: ... e Hex head wrenches sizes 3 mm 4 mm 6 mm 3 16 f Hammer g Small external circlip plier h Medium internal circlip plier i HYCON special tool No 9991664 for mounting of rod wiper for trigger piston j HYCON special tool No 9991775 for mounting of rod wiper in cylinder k HYCON special tool No 9992098 combination spanner size 30 mm with hole for torque wrench a b c d e f g h i j k ...

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