Norton GC55 Owner's Manual
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Norton GC55 Owner's Manual

Multiple application concrete saw
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OWNERS
MANUAL
Multiple Application Concrete Saw
MODEL:
GC55 and GC25E
FORM <<GC55-GC25E rev 4/2010

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Summary of Contents for Norton GC55

  • Page 1 OWNERS MANUAL Multiple Application Concrete Saw MODEL: GC55 and GC25E FORM <<GC55-GC25E rev 4/2010...
  • Page 2 In no event shall Norton be liable for consequential or incidental damages arising out of the failure of any product to operate properly. Integral units such as gasoline engines, electric motors, batteries, tires, transmissions, etc., are excluded from this warranty and are...

  • Page 3: Table Of Contents

    Table Of Contents CONTENTS PAGE I. Preparation A. Safety Precautions B. Assembly C. GC55 and GC25E Series Concrete Saw Specifications D. Engine GC55 Models E. Electrical Connections GC25E 11-12 Wiring Diagram GC25E II. Operation A. Installing The Blade 12-13 B. Starting The Engine GC55 C.

  • Page 4: Preparation

    I. PREPARATION A. Safety Precautions Important! The following safety precautions must always be observed. Hazard Symbols Fuel (gasoline) is extremely flammable and its vapors can explode if ignited. Store gasoline only in approved containers, in well-ventilated, unoccupied approved areas, and away from sparks or flames. Do not fill the fuel tank while the engine is hot or running.

  • Page 5: Dust And Silica Warning

    Dust and Silica Warning Grinding/cutting/drilling of masonry, concrete, metal and other materials can generate dust, mists and fumes containing chemicals known to cause serious or fatal injury or illness, such as respiratory disease, cancer, birth defects or other reproductive harm. If you are unfamiliar with the risks associated with the particular process and/or material being cut or the composition of the tool being used, review the material safety data sheet and/or consult your employer, the material manufacturer/supplier, governmental agencies such as OSHA and...
  • Page 6 1. Before mounting any blade on the saw, the blade should be inspected for any damage which might have occurred during shipment, handling or previous use. 2. The blade collars and arbors should be cleaned and examined for damage before mounting the blade. 3.

  • Page 7: Assembly

    The GC55 and GC25E compact concrete saws are shipped completely assembled and ready for use except for diamond blade, gasoline, oil, and Handle Bar position for the GC55 and diamond blade, electrical extension cord, and power supply for the GC25E. Inspect the saw for shipping damage.

  • Page 8: Gc55 And Gc25E Series Concrete Saw Specifications

    C. GC55 and GC25E Series Concrete Saw Specifications GC55 GC25E Dimensions/Weight Length (Working) 42-23/32” (1,090mm) 42-23/32” (1,090mm) Length (Transport) 32” (813mm) 32: (813mm) Width 18-1/8" (460mm) 18-1/8" (460mm) Height 42-23/32” (1,090mm) 42-23/32” (1,090mm) Frame Width 18-1/8” (460mm) 18-1/8” (460mm) Pointer Length 8-7/32”...
  • Page 9 The GC55 and GC25E concrete saws where designed from the ground up to be a High Performance Multiple Application saw. The GC55 and GC25E are capable of cutting Green Concrete (Early Entry), Cured Concrete, Asphalt, and Decorative Concrete. Being able to cut more than just green gives the GC55 and GC25E many advantages over the competitor’s machines such as a lower...

  • Page 10: Engine Gc55 Models

    D. Engine GC55 Models Prior to attempting to operate the engine, read the information contained in the engine owner's manual. An engine owner’s manual is supplied with every gasoline powered concrete saw. 1. Check Oil: Add oil if low. Refer to the engine owner's manual for the recommended SAE viscosity grades.

  • Page 11: Electrical Connections Gc25E

    E. Electrical Connections GC25E Important-Before connecting the motor leads to the power supply be sure that the voltage, cycles and phase shown on the nameplate of the motor correspond to the available power supply. Voltage Selection for the GC25E 3 HP motor is single phase saw motors witch have a dual voltage capable.

  • Page 12: Wiring Diagram Gc25E

    II. OPERATION A. Installing the Blade 1. Disconnect the spark plug (GC55 Models Only) 2. Raise the Blade Guard to its highest position. 3. Open the blade nut access door. Remove the blade shaft nut (Turn...

  • Page 13: Starting The Engine Gc55

    C. Operating the Saw 1. For blade installation instructions see section II. Operation sub heading A. Installing the Blade. For the engine starting instructions (GC55), see the Engine manual and follow the instructions located in section II. Operation sub heading B. Starting the Engine and for Electrical Connections (GC25E) see section E.
  • Page 14 Electrician inspect all electrical connections and the power supply 6. For the GC55 be sure the engine is running at full throttle!!! 7. Slowly lower the blade by rotating the hand wheel clockwise until the desired depth of cut is reached. Use a reasonable rate of feed. Do not...

  • Page 15: Cutting Technique

    The new Norton Clipper GC55 and GC25E are much more than a green concrete saw or as it is some times called an early entry saw. The GC55 and GC25E where designed from the ground up to be a High Performance Multiple Application saw.
  • Page 16 Green Concrete Cutting Important Considerations Green concrete is concrete that is still in a plastic state that is the concrete still has a lot of moisture in it, in other words it is not fully cured or dry. As the concrete starts to hydrate (Dry or Cure), the concrete will change slightly in volume.
  • Page 17 surface. When the blade meets the concrete surface at a 90° angle (perpendicular) less side drag is created on the blade. When the blade is not perpendicular side drag is create that will cause the concrete to chip or spall. 3.

  • Page 18: Maintenance

    The GMAX blade provided with the GC55 was designed exclusively for use on this product to provide maximum performance and a precision cut appearance! 3.
  • Page 19 nearest Honda service center, or from the Internet: http://www.honda- engines.com/home.htm Honda engine (Refer to owner's manual for complete maintenance.) Check the engine oil level before each use when the engine is cool and the engine is level. Add oil if the level is low. The oil level should be within the operating range (See the engine owner’s manual for details).

  • Page 20: Bearings

    • Check and clean the air filter after each use. Replace as needed. B. Bearings The GC55 and GC25E are equipped with permanently sealed blade shaft and wheel bearings that will never need any lubrication. These types of bearings are designed for long life and minimum maintenance. If any problem occurs with the blade shaft, or wheel bearings replace the bearing.

  • Page 21: Depth Control

    3. Remember, too much tension shortens belt and bearing life! 4. Check the belt tension frequently during the first day of operation. Check the belt tension periodically thereafter and make any necessary adjustments. 5. The two most common causes of misalignment are shown in the Figure 1 and Figure 2 to the right.

  • Page 22: Dust Removal System Adjustment

    NLGI #2, aluminum complex type grease is recommended. E. Dust Removal System Adjustment The GC55 and GC2E are equipped with a fully adjustable non-scratching Dust removal system which helps stabilize the machine by pushing debris way from wheels and undercarriage of the machine. Depending on the surface and wear the Dust Removal System may need adjustments from time to time.

  • Page 23: Parts List Section

    OIL DRAIN HOSE ASSY 5.5HP HONDA GC55 241035 NOTE: All Parts Are Sold As Individual (each) Unless Noted Otherwise Blades Use Only Norton Diamond Blades. Contact your local Norton Clipper Distributor or Norton Clipper at 1-800-554-8003 for the best blade for the application.

  • Page 24: Parts Drawing / Service Parts List

    Blade Guard Assembly GC55 and GC25E Item Description Part No. GUARD BLADE GC55/GC25E 241001 BLADE SHAFT VENT COVER 241002 WASHER M6 DIN125 FLAT 27539 SCR M6 X 16 1.0 DIN933 235048 SCR M6 X 12 1.0 DIN933 300566 NUT M6 DIN985 LOCK 235136 SCR THUMB M6 X 12 1.0...

  • Page 25: Cutting Head Assembly Gc55 And Gc25E

    Cutting Head Assembly GC55 and GC25E Item DESCRIPTION Part No BEARING CUTTING HEAD SUB ASSY – SEE PG 241005 23 FOR PARTS PULLEY IDLER TENSION ADJUSTER 241006 SPACER INDLER GC55/GC25E 241007 PULLEY IDLER ASSEMBLY GC55/GC25E 241008 ZERK FITTING M6 241009 SCR M12 X 80 1.75 DIN933...

  • Page 26: Blade Shaft Assembly Gc55 And Gc25E

    Blade Shaft Assembly GC55 and GC25E Item DESCRIPTION Part No CUTTING HEAD ASSEMBLY GC55/GC25E 241015 BLADE SHAFT GC55/GC25E 241016 BEARING COVER BLADE SHAFT GC55/GC25E 241017 BEARING RADIAL 6204-RS 212142 RETAINING RING E-STYLE 19mm X 1.8mm 241018 DIN6799...

  • Page 27: Depth Control Assembly Gc55 And Gc25E

    Depth Control Assembly GC55 and GC25E Item DESCRIPTION Part No DEPTH TUBE GC55/GC25E 241090 FIT GREASE ZERK M6 X 1.0 241019 SCR DEPTH CONTROL GC55/GC25E 241020 DEPTH CONTROL MOUNT GC55/GC25E 241021 SPACER HAND WHEEL GC55/GC25E 241022 HAND WHEEL GC55/GC25E 241023...

  • Page 28: Engine Assembly Gc55 Only

    ENG 5.5HP HONDA 216264 SCR M5 X 12 0.8 FLAT HEAD SOCKET CAP 241033 SCR 5/16"-24 UNF X 3/4" C'SINK SOCKET HEAD 241034 OIL DRAIN HOSE ASSY 5.5HP HONDA 241035 BRACKET SELF LEVELING MOUNT GC55 241036 CUTTING HEAD FLANGE GC55 241037...

  • Page 29: Motor Assembly Gc25E Only

    Motor Assembly GC25E Item DESCRIPTION Part No 241112 MOT 2.5HP 115-230v/60/1 GC25E COMPLETE MOTOR (ITEMS 2 to 21) COVER FAN GC25E 241113 GASKET RUN CAPACITOR COVER GC25E 241114 COVER RUN CAPACITOR GC25E 241115 GASKET START CAPACITOR COVER GC25E 241116 COVER START CAPACITOR GC25E 241117 BOX VOLTAGE CHANGE SWITCH GC25E 241118...

  • Page 30: Frame Assembly Gc55 Only

    Frame Assembly GC55 Only Item DESCRIPTION Part No FRAME GC55 241038 REAR POINTER GC55/GC25E 241039 SCR M8 X 65 1.25 DIN931 HEX HEAD CAP 241040 WASHER M8 DIN125 FLAT 232110 WASHER M4 DIN125 FLAT 235104 NUT M8 1.25 LOCK DIN985 241041 NUT M4 0.7 LOCK DIN985...

  • Page 31: Frame Assembly Gc25E Only

    SQUEEGEE ASSEMBLY ONLY GC55 241050 POWER CABLE SUPENSION ARM GC25E 241102 SCR M4 X 8 0.7 DIN966 PHILIPS 235099 CHAIN FOR QUICKRELEASE PIN 9" LONG GC55 241056 WASHER LOCK M4 DIN127 241030 PIN QUICKRELEASE 5/16" X 2" GRIP LENGTH 241092...

  • Page 32: Front Pointer Assembly Gc55 And Gc25E

    Front Pointer Assembly GC55 and GC25E Item DESCRIPTION Part No POINTER WELDMENT GC55/GC25E 241085 WHEEL 75X28X8mm 241086 FRONT POINTER ROD GC55/GC25E 241087 WASHER M8 DIN125 FLAT 232110 NUT M8 1.25 LOCK DIN985 241041...

  • Page 33: Main Assembly Gc55 Only

    29 28 Main Assembly GC55 Only...
  • Page 34 Main Assembly GC55 Only Item DESCRIPTION Part No SEE FRAME ASSY GC55 PAGE 30 -NA- HANDLE BAR GC55 241052 ENGINE ASSEMBLY GC55 SEE PAGE 28 -NA- WASHER M6 DIN125 FLAT 27539 WASHER M8 DIN125 FLAT 232110 SCR M6 X 55 1.0 DIN933 HEX HEAD CAP 241011 SCR M8 X 60 1.25 DIN933 HHC FULL THD...
  • Page 35 SCR M5 X 10 0.8 DIN916 CUP POINT SET 241027 PULLEY 56.5MM D X 3/4B 6G J SECTION 241071 BELT 350J6 - J SECTION 6 GROOVE 241072 SEE FRONT POINT ASSEMBLY GC55/GC2E -NA- PAGE 32 BELT GUARD GC55 241074 SEE BLADE GUARD ASSEMBLY GC55/GC25E...

  • Page 36: Main Assembly Gc25E

    Main Assembly GC25E Only Item DESCRIPTION Part No SEE FRAME ASSEMBLY GC25E PAGE 31 -NA- HANDLE BAR GC55 241052 SEE MOTOR ASSEMBLY GC25E PAGE 29 -NA- WASHER M6 DIN125 FLAT 27539 WASHER M8 DIN125 FLAT 232110 SCR M10 X 60 1.5 DIN931 27030B SCR M8 X 60 1.25 DIN933 HHC FULL THD...
  • Page 37 PULLEY 56.5MM D X 3/4B 6G J SECTION 241071 BELT 350J6 - J SECTION 6 GROOVE 241072 SEE FRONT POINT ASSEMBLY PAGE 27 241073 BELT GUARD GC55 241074 BLADE GUARD ASSEMBLY GC55 241075 RETAINING RING C-STYLE 60mm X 2.0mm DIN471 241076 ARM STAY LEVEL GC55 241078...
  • Page 38 Item DESCRIPTION Part No SPACER M14 241079 CAM STAY LEVEL GC55 241080 LOOSE COLLAR GC55 241081 TIGHT COLLAR GC55 241082 NUT 5/8-11 UNC HEX LEFT HAND THREAD 241083 DEPTH CONTROL ASSEMBLY GC55 241084 WASHER M6 DIN 125 FLAT 27539 WRENCH UNIVERSAL...
  • Page 39 NOTES...
  • Page 40 Saint-Gobain Abrasives 2770 West Washington Stephenville, TX 76401 Phone: 800-554-8003 Fax: 800-443-1092...

This manual is also suitable for:

Gc25e

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