Advertisement
Quick Links
Advertisement
Subscribe to Our Youtube Channel
Related Manuals for AVANT B70 Silent
Summary of Contents for AVANT B70 Silent
- Page 1 AVANT B70 Silent AVANT B110 Silent AVANT B160 Silent Workshop Manual...
-
Page 2: Disassembly And Assembly
Disassembly and assembly hydraulic breaker 1. DISASSEMBLY AND ASSEMBLY 1.1 MAIN COMPONENTS LOCATION OF MAIN COMPONENTS (HAMMER MECHANISM) A. Pressure measuring plug B. Pressure accumulator C. Valve body D. Cylinder and front head... - Page 3 hydraulic breaker Disassembly and assembly 1.2 RELEASING HYDRAULIC PRESSURE FROM HAMMER RELEASING PRESSURE Warning! The hydraulic pressure inside the hammer must always be released before making any adjustments or repairs when the hammer is connected to the carrier. There may also be pressurized oil trapped inside the hammer even if the hammer is disconnected from the carri- er.
- Page 4 Disassembly and assembly hydraulic breaker 1.3 RELEASING PRESSURE FROM ACCUMULATOR LOCATION OF ACCUMULATOR REFILLING PLUG Item Description Shield plug RELEASING PRESSURE FROM ACCUMULATOR Warning! Do not disassemble hammer before releasing pressure from accumulator. 1. Remove shield plug from accumulator. 2. Open filling plug carefully. Wait until all nitrogen gas has escaped.
- Page 5 hydraulic breaker Disassembly and assembly 1.4 HOUSING TORQUES, ADJUSTMENTS AND LUBRICANTS Item Tightening torques Model B110 B160 Housing plate mounting screws (B) 70 Nm 175 Nm 175 Nm Item Lubricant All screw threads and bearing surfaces Thread grease...
- Page 6 Disassembly and assembly hydraulic breaker DISASSEMBLING HOUSING Warning! The hammer must be secured from falling down in either di- rection when handling it. Check that the lifting capacity of the hoist you are using is sufficient for the job. 1. Remove hydraulic hoses. 2.
- Page 7 hydraulic breaker Disassembly and assembly 8. Remove parallel pins. ASSEMBLING HOUSING 1. Install dampers to both housing plates. 2. Insert parallel pins. 3. Install hammer mechanism into its place. 4. Lower remaining housing plate into its correct position. 5. Install compression screws crosswisely. 6.
- Page 8 Disassembly and assembly hydraulic breaker 1.5 VALVE BODY AND DISTRIBUTOR TORQUES, ADJUSTMENTS AND LUBRICANTS Item Tightening torques Model B110 B160 Cover screws (A) 70 Nm 175 Nm 460 Nm Nozzle (B), width across flats 7 mm 20 Nm 20 Nm 30 Nm Pressure measuring plug (C) 30 Nm...
- Page 9 Disassembly and assembly OPERATING PRESSURE ADJUSTMENT The hammer is tuned at factory to suit for specified AVANT carrier models. This is done with a nozzle which is inside the OUT-port of the breaker, located on the valve housing.
- Page 10 Disassembly and assembly hydraulic breaker DISASSEMBLING VALVE BODY AND DISTRIBUTOR Warning! Make sure that accumulator is depressurized! See “Releas- ing pressure from accumulator” on page 4. 1. Open cover screws and remove cover. 2. Remove seals and O-ring from cover. 3.
- Page 11 hydraulic breaker Disassembly and assembly 5. Remove O-rings and parallel pin from cylinder. 6. Remove steering ring and distributor from valve body. 7. Remove O-rings from steering ring. ASSEMBLING VALVE BODY AND DISTRIBUTOR 1. Check all parts for wear and damage. If necessary, use fine emery cloth or grinding agent.
- Page 12 Disassembly and assembly hydraulic breaker 8. Apply anticorrosive agent on contact surfaces of valve body and cylin- der. 9. Install valve body. 10. Install O-rings to valve body. 11. Install seals and O-ring to cover using suitable pliers. 12. Install cover. 13.
-
Page 13: Pressure Accumulator
hydraulic breaker Disassembly and assembly 1.6 PRESSURE ACCUMULATOR LUBRICANTS FOR PRESSURE ACCUMULATOR Item Lubricant Accumulator cover (gas side) (A) Silicone grease Accumulator membrane (inner side) Hydraulic oil Casting burr (C) DISASSEMBLING PRESSURE ACCUMULATOR Warning! Make sure that accumulator is depressurized! See “Releas- ing pressure from accumulator”... - Page 14 Disassembly and assembly hydraulic breaker 3. Remove accumulator cover. 4. Remove membrane from cylinder. ASSEMBLING PRESSURE ACCUMULATOR 1. Clean and dry parts carefully. 2. Apply thin layer of oil to membrane and accumulator area in cylinder. 3. Put cylinder on vise. 4.
-
Page 15: Charging Accumulators
hydraulic breaker Disassembly and assembly 1.7 CHARGING ACCUMULATORS TORQUES, ADJUSTMENTS AND LUBRICANTS Item Tightening torque Shield plug (A) 150 Nm Accumulator filling plug (B) 20 Nm Charging pressure (Nitrogen N Item Accumalator 25 bar CHARGING ACCUMULATOR Warning! Use only nitrogen (N ) for charging accumulator. - Page 16 Disassembly and assembly hydraulic breaker 5. Insert pin. 6. Install charging device. 7. Connect charging system to nitrogen bottle. 8. Tighten filling plug carefully through charging device until you feel it stop, then open it three (3) turns. 9. Open discharge valve on charging device fully. 10.
- Page 17 hydraulic breaker Disassembly and assembly 15. Adjust pressure in accumulator to correct setting by carefully opening discharge valve. 16. Torque filling plug through charging device to specified setting. 17. Release pressure from charging hose by opening discharge valve. 18. Remove charging system from accumulator. 19.
- Page 18 Disassembly and assembly hydraulic breaker 1.8 BODY PARTS TORQUES, ADJUSTMENTS AND LUBRICANTS Item Lubricants and accessories Contact surfaces of cylinder and Anticorrosive agent (e.g. CRC 3-36) valve body All seals and O-rings O-ring grease Screw threads and bearing surfaces, Thread grease lock washers.
- Page 19 hydraulic breaker Disassembly and assembly DISASSEMBLING BODY PARTS Warning! The hydraulic pressure inside the hammer must always be released before removing any of the plugs or valves. Read the instruc- tions on releasing the hydraulic pressure from the hammer. See “Re- leasing hydraulic pressure from hammer”...
- Page 20 Disassembly and assembly hydraulic breaker 2. Install seals and O-ring to the seal carrier using suitable pliers. 3. Oil seal carrier and cylinder properly and install seal carrier to the cylin- der. Note the seal carriers direction. Align split pin holes in the seal car- rier and cylinder.
- Page 21 hydraulic breaker Testing 2. TESTING 2.1 MEASURING HAMMER OPERATING PRESSURE SPECIFICATIONS FOR MEASURING OPERATING PRESSURE Item Description Plug (A) Pressure measuring port Item Torque Plug (A) 30 Nm...
- Page 22 Testing hydraulic breaker MEASURING HAMMER OPERATING PRESSURE Warning! The hydraulic pressure inside the hammer must always be released before making any adjustments or repairs when the hammer is connected to the carrier. There may also be pressurized oil trapped inside the hammer even if the hammer is disconnected from the carri- er.
-
Page 23: Special Service Tools
hydraulic breaker Service tools 3. SERVICE TOOLS 3.1 SPECIAL SERVICE TOOLS Part Name Picture Pressure gauge assembly 41787 60 bar and 250 bar Hammer lifting adapter 42132 Adapter for French nitro- 901311 1 gen bottle Part Name Picture Drift pins Drift pin D7 Drift pin D20 102998 1... - Page 24 Service tools hydraulic breaker Part Name Picture Lifting eye nuts Lifting eye M16 Lifting eye M20 3.2 STANDARD SERVICE TOOLS Name Specification Torque wrench 150-700 Nm (3/4") Torque wrench 20-200 Nm (1/2") Torque wrench 15 Nm (1/2") Ratchet handle 1/2" Extension L=125 mm (1/2") Sliding T-handle...
- Page 25 hydraulic breaker Service tools Name Specification Oil can 0.5 l Grease gun Flowmeter 15-25 l/min Flowmeter 20-150 l/min Pressure gauge 40 bar 3.3 SPECIAL SERVICE TOOLS FOR B110 AND B160 Part Name Picture Accumulator charging 40633 kit (incl. parts 1.1-1.4) Charging device 101688 1 Socket...
- Page 26 Service tools hydraulic breaker...
- Page 27 hydraulic breaker Service tools...
- Page 28 Tel. +358 3 347 8800 www.avanttecno.com Fax +358 3 348 5511 e-mail: sales@avanttecno.com AVANT has a policy of continuing improvement, and retains the right to change specifications without notice. © 2008 AVANT Tecno Oy. All rights reserved. Printed in Finland...
Need help?
Do you have a question about the B70 Silent and is the answer not in the manual?
Questions and answers