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Summary of Contents for HYCON 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...
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Page 2: Table Of Contents
Contents Page 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. -
Page 3: Generally
1. Generally HYCON demolition breakers are designed for long-term operation under difficult working conditions. All vital components are made of first-class material and have undergone tempering processes to ensure maximum life. A hydraulic breaker is produced with small tolerances to obtain an efficient tool with high performance. - Page 4 • The operator must always use protective goggles, earplugs, hard hat and shoes when operating the breaker. • Never use the breaker close to electric cables. Prior to operation, check whether there are hidden or buried cables in the ground. •...
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Page 5: Dimensions
3. Dimensions... -
Page 6: Technical Data
4. Technical Data Weight breaker 9.9 kg Service weight incl. moil point and hoses 12.7 kg EHTMA category Oil flow 20 l.p.m. (5.3 g.p.m.) Working pressure nominal 100 bar (1450 psi) Max. setting pressure relief valve 160 bar (2320 psi) Max. -
Page 7: Maintenance
5. Maintenance Service/Maintenance Daily Weekly Yearly Check couplings and clean carefully Check hoses Lock ring in nose part Check Replace Check accumulator NB. At service/repair it is important to mount the hoses correctly. The feed line from the power source must be mounted at “P” and the return line at “T”. “P” and “T” are marked on the plastic cover. -
Page 8: Fault Location
7. Fault Location Before you start locating faults, check that the oil flow from the power source is correct and that the pressure relief valve is set correctly. Follow the instructions in the workshop manual of the power source. Problem Cause Solution Breaker does not start, there is... -
Page 9: Mounting And Dismounting Of Main Components
8. Mounting and Dismounting of Main Components Dismount chisel retainer and nose part. Dismount tail-hoses, fittings and plastic cover. - Page 10 Dismount handle. Dismount accumulator. IMPORTANT: There are two screws in the same hole – loosen them carefully.
- Page 11 Dismount cylinder. Main components 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 Then mount the accumulator. Clean all threads carefully with Loctite 7063. 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.
- Page 13 Now mount the handle. Clean the thread 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 Now mount the nose part. Clean all threads with Loctite 7063, and add Loctite 243 to all 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.
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Page 15: Repair Of Cylinder
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: Repair Of Valve Housing And Trigger Piston
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 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 turn upwards.
- Page 18 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 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.
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Page 20: Charging Of 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 and between filling device and charging screw. - Page 21 Remove the protective screw on the accumulator – underneath is the charging screw. Mount the filling device, and open the charging screw by means of the handle on top of the filling device. Important: Always use Nitrogen (N ) to charge gas accumulators.
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Page 22: Handle Check
12. Handle Check Check that the clearance 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: Tool List
Medium internal circlip plier 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...
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