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Rato R5500 Service Manual

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R5500
R5500D
SERVICE MANUAL
CHONGQING RATO POWER.CO., LTD

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  • Page 1 · R5500 R5500D SERVICE MANUAL CHONGQING RATO POWER.CO., LTD...
  • Page 2 This manual contains information how to maintain and how to do troubleshooting. Keep this owner’s manual handy, so you can refer to it at any time. This service manual describes correct method of the maintaining this equipment. As a result of this disregard of our rules caused by person casualty and equipment damaged, our company does not assume any responsibility.

  • Page 3: Safety Messages

    SAFETY MESSAGES Your safety and the safety of others are very important. We have provided important safety messages in this manual and on the generator. Please read these messages carefully. A safety message reminds you to potential hazards that could hurt you or others. Each safety message is preceded by a safety alert symbol and one of three words: DANGER, WARNING, or CAUTION.
  • Page 4 1. PREFACE 1. PREFACE 1-1 Generator Component Identification AC CIRCUIT BREAKER GENERATOR SWITCH CHOCKER LEVER GROUND TERMINAL AIR CLEANER AC RECEPTACLES FUEL VALVE DC PROTECTOR VOLTMETER RECOIL STARTER GRIP DC RECEPTACLES FUEL METER FUEL TANK CAP SPARK PLUG CAP MUFFLER...

  • Page 5: Specifications

    1. PREFACE 1-2 Specifications Item R5500 R5500D Gasoline Engine Style R390 R390-3 Gasoline Engine Type Single Cylinder, 4-Stroke, Forced Air Cooling, OHV Gasoline Engine Displacement (ml) Igniting System Transistorized Magneto Fuel Volume (L) Fuel ≤374 ≤374 Consumption(g/(kW·h) Continuing Time (hr) ９...
  • Page 6 1. PREFACE 1-3 Maintenance Standard  Engine Parts Item Standard Service Limit 3180-3780 rpm Maximum Speed (No load) Gasoline Engine Cylinder Compression ≥588-834Mpa（600rmp） Cylinder Sleeve I.D 88.00mm 88.17mm Cylinder Warpage 0.10mm Head Cover Skirt O.D. 87.985mm 87.85mm Piston-to-Cylinder Clearance 0.015-0.02mm 0.12mm Piston Piston Pin Bore I.D.
  • Page 7 1. PREFACE Cam Height 32.40-32.80m 32.25mm Camshaft Cam Height 31.89-32.29mm 31.75mm Journal O.D 15.984mm 15.92mm Crankcase Camshaft Bracket I.D 16.0mm 16.05mm Cover Main Jet #102 Carburetor Float Height 13.2mm Pilot Screw Opening 2-1/4 Spark Plug 0.7-0.8mm Spark Plug Resistance 7.5-12.5kΩ 0.8-1.0Ω...

  • Page 8: Maintenance

    2. MAINTENANCE 2. MAINTENANCE 2-1 Maintenance Schedule Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution. Exhaust gas contains poisonous carbon monoxide. Shut off the engine before performing any maintenance. If the engine must be run, make sure the area is well ventilated.
  • Page 9 2. MAINTENANCE 2-2 Engine Oil CHANGE THE OIL OIL DIPSTICK Draining can be performed rapidly and completely while the gasoline engine is still warm. UPPER LEVEL 1) Remove the oil dipstick and drain plug to drain the oil. 2) Reinstall the drain plug, and then DRAIN PLUG tighten the plug securely.
  • Page 10 2. MAINTENANCE will result. 1) Remove the air cleaner clip or butterfly nut and open the air cover. Check the air cleaner element for complete and clean. 2) If the air cleaner element is dirty, please clean the air cleaner element: Wash the air cleaner element in a solution of household detergent and warm water, then rinse thoroughly or wash in nonflammable or high flash point solvent: Drop a few points engine oil in, then, squeeze out.

  • Page 11: Spark Plug Cap

    2. MAINTENANCE 2-5 Spark Plug Service Recommended spark plugs: F7RTC or other equivalents PLUG WRENCH 1) Remove the spark plug cap. 2) Use the plug wrench to remove the spark plug. SPARK PLUG CAP 3) Visually inspect the spark plug if the insulator is cracked, if cracked, replace with a new spark plug.

  • Page 12: Cylinder Head Cover

    2. MAINTENANCE 2-6 Valve Clearance Adjustment Keep the clearance between engine valve rod end and driving parts for avoiding heat expanding and cold shrinking to effect engine performance. If the clearance is too big, it can result in exhausting unsmooth, effecting engine performance and increasing engine noise(valve abnormal), if the clearance is too small, the valve will close untight to make the engine operating abnormal and drain valve operating face burn.
  • Page 13 2. MAINTENANCE  Adjust if the valve clearance is out of the service limit. Measure the valve clearance in the cold the gasoline engine state. VALVE ADJUSTING NUT VALVE LOCKED NUT  Adjusting valve clearance Valve clearance adjustment method: Loose the locking nut, turn the adjusting nut to get the correct valve clearance.
  • Page 14 2. MAINTENANCE 2-7 Governor ① Reassembly or disassembly BOLT (M6×10) THROTTLE PLATE BOLT (M6×10) STOPPER SPRING FIXING BOLT GOVERNOR SPRING ((install the short end against adjust support) SCREW (M5×25) GOVERNOR ROD RETURN SPRING GOVERNOR BRACKET NUT（M6） (install the short end against adjust support)
  • Page 15 2. MAINTENANCE GOVERNOR ARM GOVERNOR SPRING THROTTLE THROTTLE VALVE GOVERNOR ROD RETURNING SPRING (FULLY OPEN) ②Governor adjustment： a) Dismount the fuel tank b) Loosen the nut M6. Be sure that the carburetor throttle valve is fully open c) Rotate the governor arm shaft fully to the right (governor fully closed position), and retighten the nut.

  • Page 16: Troubleshooting

    3. TROUBLESHOOTING 3. TROUBLESHOOTING 3-1 Troubleshooting 3-1-1 Starting Difficult TROUBLE CAUSE REMEDY There is no enough fuel in fuel Fill fuel, open fuel cock. tank and fuel cock is closed. Air vent in the fuel filler cap is Dredge air vent. clogged Fuel supply is Improper or clogged main oil flow...
  • Page 17 3. TROUBLESHOOTING TROUBLE CAUSE REMEDY Piston ring is worn to or even over its wear Replace limit Piston ring is broken. Replace Piston ring is sticking. Clear up carbon fouling. Spark plug is not installed tighten or Tighten with a gasket in. without a gasket.
  • Page 18 3. TROUBLESHOOTING 3-1-2 Power Lack TROUBLE CAUSE REMEDY Air in fuel line or fuel line clogged Exhaust air or dredge fuel line Main oil flow hole is not adjusted properly Readjust In carburetor, needle valve hole and main Clean and blow to get through oil flow hole clogged.
  • Page 19 3. TROUBLESHOOTING 3-1-3 Speed Unstable TROUBLE CAUSE REMEDY Piston, cylinder piston ring worn Replace the worn excessively. Knocking sound Piston pin and piston pin hole are worn Replace piston or piston pin excessively. Tie rod small head is worn excessively. Replace tie rod Gasoline Engine is too hot Shoot trouble...
  • Page 20 3. TROUBLESHOOTING 3-1-5 Gasoline Engine is Overheat TROUBLE CAUSE REMEDY Oil insufficient or wrong oil ratio in the Refill engine oil gasoline Exhaust pipe blocked up Clean exhaust pipe Shroud leaking Repair damaged part Cooling fins blocked by foreign matter Clear cooling fins Gasoline engine is Connection rod deformation to make piston and...
  • Page 21 3. TROUBLESHOOTING 3-1-7 Unable Generating Electricity TROUBLE CAUSE REMEDY Clean the surface of the Collector ring and carbon brush contacting collector ring and grind the poor carbon brush arc face. Brush pressure abnormal Replace the spring or adjust it. Check the adjusting winding Stator, rotor output leads contacting poor.
  • Page 22 3. TROUBLESHOOTING 3-1-9 No AC Output Voltage TROUBLE CAUSE REMEDY Gasoline engine speed abnormal Check and adjust Stator main coil defective Check and adjust Brush defective Check and adjust No AC output Excitation voltage too low Check and adjust voltage AVR defective Check and adjust Breaker tripped...
  • Page 23 3. TROUBLESHOOTING 3-1-12 Stator Winding Overheat Overload Adjust the load according to specified load. Periodically check and remove the foreign Vent is clogged matter in the generator for good heat dispersion Check stator winding for open circuit and check Stator winding open circuit and connecting to winding for grounding with megohmmeter.
  • Page 24 3. TROUBLESHOOTING 3-2 Safety Precautions 3-2-1 Safety WARNING： Indicate a possibility of invalid warranty and personal or equipment damage if instructions are not followed. Please pay special attention to the following before running the generator: 1) Strictly set the engine according to the regulated power on the service manual. Do not overload, overrun the engine or run it with low load and at low speed in a long time.
  • Page 25 3. TROUBLESHOOTING Never touch it, or you may get burns. Transport or store the generator with it cooling down entirely. 12) Safe warning label: Please carefully read warning label before operating. Our company will not assume any responsibility, for person hurt, or equipment damaged caused by disregarding this warning label.
  • Page 26 3. TROUBLESHOOTING 3-2-2 Special Tools Tool name Application note 1) Float lever gauge Carburetor float level inspection 2) Valve guide driver Valve guide removal, installation. 3) Retainer assembler Assembling ball bearing 4) Assembler handle Installing handle and bearing 5) Inner retainer assembler Assembling ball bearing and time.
  • Page 27 3. TROUBLESHOOTING 3-3 Dismounting Chart HANDLE FLYWHEEL MOTOR TAIL COVER AUTOMATIC FUEL TANK VOLTAGE REGULATOR BRUSH MUFFLER CONTROL PANNEL CUSHION FRAME MOTOR BRACKET STATOR ROTOR GASOLINE ENGINE CARBURETOR FLYWHEEL IGNITION COIL AIR CLEANER SHROUD RECOIL STARTER...
  • Page 28 3. TROUBLESHOOTING 3-4 Gasoline Engines 3-4-1 Recoil Starter IMPELLER FLYWEEL NUT M14 RECOIL STARTER SHROUD BOLT(M6×10) BOLT （M6×10） STARTING CUP RECOIL STARTER GRIP...
  • Page 29 3. TROUBLESHOOTING DRIVE GUIDE LOCKING SCREW SPRING DRIVE CAM RECOIL STARTER SPRING RETURN SPRING RECOIL STARTER REEL NOTICE:  Take care not to allow the return spring to come out. Wear gloves when operating.  Check the broken and wearing before installing the rope. Installation Instruction ①...
  • Page 30 3. TROUBLESHOOTING ② Hang the side hook of the recoil starter spring in the CUTOUT groove of the recoil starter case, set the recoil starter spring into the case with counterclockwise rotating starter spring. ③Set the recoil starter spring outside hook into the groove of GROOVE the recoil starter pulley.
  • Page 31 3. TROUBLESHOOTING 3-4-2 Flywheel HIGH VOLTAGE IGNITION LINE SPARK PLUG CAP (Check the insulator for damage, if damaged, please replace it) FLYWHEEL STOP ENGINE WIRE STARTING CUP NUT M14 IMPELLER IGNITION COIL BOLT (M6×25) a) Remove the fuel tank, air cleaner, carburetor and recoil starter assy.
  • Page 32 3. TROUBLESHOOTING Check the ignition coil (primary side） Measure the resistance of the primary coil by attaching one ohmmeter lead to the ignition coil’s primary terminal while touching the other tester lead to the iron core. Primary side resistance value： 0.8-1.0Ω （Secondary side）...
  • Page 33 3. TROUBLESHOOTING FLYWHEEL IMPELLER STARTER PULLY POSITION BLOCK POSITION HOLE POSITION BLOCK POSITION HOLE...
  • Page 34 3. TROUBLESHOOTING 3-4-3 Air Cleaner CASE AIR CLEARNER CASE GASKET GASKET BOLT(M5×13)  Check the air cleaner gasket for damage before installation  Notice the position NUT (M6) ELEMENT FRAME COVER AIR CLEANER ELEMENT NOTICE  Don’t wash the foam element with the gasoline, acidity, alkalic or organic solvent ...
  • Page 35 3. TROUBLESHOOTING the lean air fuel mixture will make engine output power lowering, over-heat and seriously damage. THROTTLE SHAFT GASKET （Don’t reuse it） CHOKE SHAFT AIR CLEANER GASKET CARBURETOR INSULATOR （Don’t Reuse It） CARBURETOR GASKET （Don’t Reuse It） The gasoline enters into the carburetor from the fuel tank and fuel filter. The fuel filter can filter the foreign matters in the gasoline and oxide out of the fuel tank.
  • Page 36 3. TROUBLESHOOTING PILOT JET IDLE SPEED SCREW WASHER CARBURETOR (Clean with compressed PILOT SCREW air before installation) FLOAT PIN FLOAT VALVE MAIN NOZZLE FLOAT (After installing, check for MAIN JET operation lightly pushing with a finger) GASKET DRAIN BOLT Set Bolt FLOAT CHAMBER (Tighten the bolt securely and (Install so that the drain bolt...
  • Page 37 3. TROUBLESHOOTING NOTICE  Loosen the drain bolt and completely drain the fuel out before installing carburetor.  No fire FLOAT VALVE a) Check the float valve, float seat and float FLOAT VALVE SEAT spring for wear. WORN NORMAL b) Clean with compressed air before installation. MAIN JET c) Clean with compressed air before installation.
  • Page 38 3. TROUBLESHOOTING O-RING O-RING IDLE SPEED JET CARBURETOR BODY e) After washing the carburetor, reset the pilot PILOT SCREW BROKEN screw back. Only repairing the carburetor can disassemble it. If the pilot screw is broken, replace with new one. PILOT SCREW ...

  • Page 39: Pilot Screw

    3. TROUBLESHOOTING f) Inspection Float level height Place the carburetor in the position as shown and measure the distance between the float top and carburetor body when the float just contacts the seat without compressing the valve spring. Specified float height 13.7±1.5mm If the height is out of specification, replace the float valve and recheck the float height Tool: Float level gauge...
  • Page 40 3. TROUBLESHOOTING SPARK PLUG STUD M8×34 Clean and adjust GASKET before installation EXHAUST VALVE GASKET CYLINDER HEAD COVER INTAKE VALVE STUD M6×96 CLIP BREATHE TUBE BOLT M6X12 Apply oil to thread STUD Loosen and tighten the bolts in a Installation ／Removal： crisscross pattern, especially tightening, uniformly and gradually tighten, finally to Loosen and tighten the bolts in a...
  • Page 41 3. TROUBLESHOOTING EXHAUST VALVE Installation: Before installation, remove carbon deposits and inspect the valve. SPRING RETAINER SEAL GUIDE VALVE ROTATOR ADJUSTING NUT ADJUSTING BOLT LIFTER CYLINDER HEAD Installation ： Before installation, remove any PUSH ROD GUIDE carbon deposits from the combustion chamber and inspect LOCKING NUT the valve seats.
  • Page 42 3. TROUBLESHOOTING Valve spring retainer： Push down the valve spring and move the retainer to the side so that valve stems slips through the side hole. Do not remove the valve spring retainers while the cylinder head is attached to the cylinder, or the valves will drop into the crankcase.
  • Page 43 3. TROUBLESHOOTING b) Using the valve guide reamer, ream the valve guides to remove any carbon deposits before measuring. VALVE GUIDE REAMER If the valve guide inside diameter is lower than standard or out of the service limit, replace the guide. Standard Service Limit 6.6mm...
  • Page 44 3. TROUBLESHOOTING Reamer For best results, be sure the cylinder head is at room temperature before reaming valve guides. a) Coat the reamer and valve guide with cutting oil. b) Rotate the reamer clockwise through the valve guide for the full length of the reamer.
  • Page 45 3. TROUBLESHOOTING b) Insert the valves, and then press the valve several times forcefully. Be sure the valve does not rotate on the seat. The transferred marking compound will show any area of the seat that is not concentric. c) Using 45°cutter, remove enough...
  • Page 46 3. TROUBLESHOOTING e) Make lightly pass with the 45°cutter to remove any possible burrs at the edges of the seat. After resurfacing seat, inspect for even valve seating width. Apply colorant to the valve tapered face, insert 0.8mm the valve and press it forcefully several times, be sure the valve does not rotate on the seat.
  • Page 47 3. TROUBLESHOOTING MAKER 120° TOP RING SECOND RING MARK“△” OIL RING CONNECTION ROD REASSEMBLY： Make sure that the longer end marked is toward the piston head with the “△” b) Piston pin clip PISTON PIN CLIP Install by setting front end of the clip in the piston groove, holding the other end with long nosed pliers, and rotating the clip in.
  • Page 48 3. TROUBLESHOOTING ②Piston check Check the piston and cylinder for contacting, and check the groove for defects, piston top for burn and cracks. If damaged, replace. Clean the carbon deposit Clean the deposit round the piston top and cylinder neck before checking, first soak the carbon deposit with kerosene, and then clean with meter scraper or metal brush.

  • Page 49: Piston Ring

    3. TROUBLESHOOTING Check with piston converting in the cylinder, and inserting feeler between piston skirt bearing face and wall, then pull the feeler out, if feeling resistance and smoothly out, the thickness of the feeler shall be considered as piston-cylinder clearance. Standard Service Limit 0.015-0.02mm...
  • Page 50 3. TROUBLESHOOTING ③Heck connecting rod If connecting rod bending, twisting or big end shaft bush and small end outer ring movement or crack on one side, should be rejected and replaced with new one. a) Check small end diameter If out of the standard or exceed service limit, replace the connecting rod.
  • Page 51 3. TROUBLESHOOTING  Visually inspect camshaft face and camshaft height for damaged, and camshaft and bearing for loosening and wearing, replace as required.  Check camshaft for height dimension, if out of the service limit, replace the camshaft. Standard Service Limit Camshaft Intake Lift 32.40-32.80m 32.25mm...

  • Page 52: Camshaft Gear

    3. TROUBLESHOOTING ALIGNM CAMSHAFT CAMSHAFT GEAR Timing gear will be damaged in gear worn, gear face peeling off, and gear teeth broken. The engagement clearance is bigger due to gear wearing, the noise is bigger. If the timing gear is damaged, please replace with new one. NOTICE: Please replace the gear with a new set to ensure the engaging face completely engage in.
  • Page 53 3. TROUBLESHOOTING 3-5 Generators 3-5-1 Fuel Tank NUT(M6×25) BUSH FUEL TANK RUBBER GASKET WASHER (Φ6×Φ25×2) FUEL TANK RUBBER GASKET COLLAR OIL TUBE FUEL SWITCH FUEL TANK Wash to remove sediment and dry thoroughly before reinstalling...

  • Page 54: Fuel Strainer

    3. TROUBLESHOOTING FUEL FILLER COVER (Make sure the vent hole is clean and unclogged. Blow clean if necessary) SCREW(M5×12) OIL LEVELER OIL LEVELER GASKET FUEL STRAINER （Make sure the filter is Check the float for move not clogged and damaged） smoothly before installation.
  • Page 55 3. TROUBLESHOOTING 3-5-2 Muffler MUFFLER MUFFLER COVER NUT M8 MUFFLER SUPPORT BOLT(M6×12) NUT (M8) Breathe Tube Removed The Carbon Deposits Before Installation BOLT(M6×12) BOLT(M8×16) BOLT(M8×12) EX. GASKET Disassemble the muffler as shown on the figure. The muffler can produce carbon deposits in the long time operation and seriously trouble the exhaust system.
  • Page 56 3. TROUBLESHOOTING WARNING:  The muffler can glow heat. Please place the gasoline engine out touch of the passerby and children.  Don’t place the flammable materials near the exhaust vent during operation.
  • Page 57 3. TROUBLESHOOTING 3-5-3 Generators Removal/Installation： ROTOR （Make sure to clean the dunghill oil butter and others） MOTOR BRACKET WASHER （Φ23×Φ8×3） BOLT（M8×180） STATOR TORQUE ： 28-30 CARBON BRUSH BOLT （M5×12） TORQUE： 5-7N.m BOLT（M6×135） Torque：8-10N.m Loose and tighten the bolt adopt the method of cross, especially tighten the bolts equally and gradually and tighten to the standard value...
  • Page 58 3. TROUBLESHOOTING ROTOR（Make sure to clean the dunghill, oil, butter and others） CONNECTION BOARD MOTOR BRACKET BOLT Loose and tighten the bolt adopt the method of cross, especially tighten the bolts equally and gradually and tighten to the standard value. STATOR CARBON WASHER...
  • Page 59 3. TROUBLESHOOTING Rotor Removal RATOR Fill the board and cloth under the rotor to prevent it from dropping. BOAR COLLECTOR RING Make sure to clean the foreign matters, oil, butter and others CLOTH with lent-free cloth if necessary. If the collector ring rust or scrape lightly, remove the rotor and repaired by gauze.
  • Page 60 3. TROUBLESHOOTING YELLOW / GREEN （Grounding wire） GRAY BLUE GRAY WHITE GRAY BLUE BLUE 3) Carbon Brush Carbon Brush Grinding BRUSH Check the contacting face between the carbon brush and the collector ring for contacting EMERY faceless than 75% of the cross section of the BRUSH carbon brush after the running about 150hrs, If contacting face less than, grind the carbon brush...
  • Page 61 3. TROUBLESHOOTING  Carbon brush installation WHITE  The Length of the Carbon Brush Check the length of the carbon brush for other obvious defective. If the length less than 6MM, please replace. 4）Check the Generator Field Winding Dismount the carbon brush, measure the resistance of collector ring. Resistance 63.5±10%Ωat 20 degrees centigrade COLLECTOR RING...
  • Page 62 3. TROUBLESHOOTING If the result isn’t accord with the standard value, please clean the collector ring thoroughly. Replace the rotor if necessary. ① Main Winding BLUE BLUE Test the resistance of alternating current output terminal with ohmmeter. Resistance 0.574±10%Ω at 20℃ ②...
  • Page 63 3. TROUBLESHOOTING wire of the tested winding, and another is connected with iron core. Next wave the megohmmeter from slowly to fast, and the meter needle follows wave. When the meter needle is stable, the value indicated by the needle is the winding to ground insulation resistance value.
  • Page 64 3. TROUBLESHOOTING 3-5-4 Control Panel GENERATOR SWITCH BOLT(M6×12) GROUNDING TERMINAL BREAKER VALTMETER PANEL SEAT WIRE HARNESS1 RECTIFIER WIRE HARNESS 2 POWER SUPPLY SOCKET PANEL PANEL REAR CASE POSITIVE ELECTRODE TERMINAL OVERCURRENT PROTECTOR NEGATIVE ELECTRODE TERMINAL Remove the wire harness connecting with the motor. •...
  • Page 65 3. TROUBLESHOOTING switch to ON position. Please pay attention to connect the wire correctly. If the connection of the ohmmeter is abnormal, please replace the switch. 2）Voltmeter The terminal of the voltmeter should be connected. 3）Breaker The breaker should be connected when press it. 4）Rectifier testing...
  • Page 66 3. TROUBLESHOOTING Multimeter Black/Red Tested Ser. No. Meter Pen Contacting Multimeter pointing Judgment parts point The Black to“—”, Meter needle waves clockwise, the Positive The Red to “a” resistance value is clock to zero. continuity Normal The Black to ”a” ， Meter needle is quiet, the Not continuity resistance value is infinite.

  • Page 67: Wiring Diagram

    4. WIRING DIAGRAM 4. WIRING DIAGRAM 4-1 Electric Diagram...
  • Page 68 4. WIRING DIAGRAM...
  • Page 69 APPENDIX APPENDIX TORQUE No． Item Size Performance Grade Torque（N·m） Fuel Tank Assembly M6×25 8.8-B 10±2 Leveler Assy. Oil Assembly M5×10 8.8-B 6±1 M8×16 24±2 Muffler Assy. M8×30 8.8-A 26±2 Muffler Outer Cover M6×12 8.8-B 10±2 Muffler Side Cover M6×12 8.8-B 10±2 Muffler Shield M6×12...
  • Page 70 APPENDIX STANDARD TORQUE VALUE Fasteners Specification Torque（N·m） 5mm Bolt, Nut 4.5-6 6mm Bolt, Nut 8-12 8mm Bolt, Nut 18-25 10mm Bolt, Nut 29-34 12mm Bolt, Nut 49-59 4mm Screw 1.5-2.6 5mm Screw 3.5-5 Bolt, Nut 6mm Screw 7-11 5mm Flange Bolt 3.6-6.9 6mm Screw 7-11...
  • Page 71 Factory address: Zone B, Shuangfu Industry Park, Jiangjin District, Chongqing, China Tel: +86 23 85553441 Fax:+86 23 85553450 Postcode: 402247 Http:www.rato.cc E-mail: ratoservice@rato.cc (consultation service) parts@rato.cc (parts purchase)

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R5500d

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