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Hitachi C 6MFA Technical Data And Service Manual

Circular saws
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CIRCULAR SAWS

LIST Nos. C 6MFA: E502
C 7MFA: E503
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
C 6MFA
C 7MFA
Jan. 2005
MODELS
C 6MFA
C 7MFA
Hitachi
Power Tools
TECHNICAL DATA
SERVICE MANUAL
AND
C

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  Summary of Contents for Hitachi C 6MFA

  • Page 1: Circular Saws

    MODELS C 6MFA C 7MFA Hitachi Power Tools CIRCULAR SAWS TECHNICAL DATA C 6MFA C 7MFA SERVICE MANUAL LIST Nos. C 6MFA: E502 Jan. 2005 C 7MFA: E503 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 REMARK: Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol(s) is(are) used in the place of company name(s) and model name(s) of our competitor(s). The symbol(s) utilized here is(are) as follows: For Models D 13VB3 and D 13VH Competitors Symbols Utilized Model Name Company Name BOSCH...
  • Page 3: Table Of Contents

    8-2. Reassembly ............................ 8 8-3. Insulation Tests ..........................11 8-4. Deflection of Saw Blade ......................... 11 8-5. Cleaning the Case ......................... 11 9. STANDARD REPAIR TIME (UNIT) SCHEDULES ............... 12 Assembly Diagram for C 6MFA Assembly Diagram for C 7MFA...
  • Page 4: Product Name

    1. PRODUCT NAME Hitachi Circular Saw, Model C 6MFA [165 mm (6-1/2")] Hitachi Circular Saw, Model C 7MFA [190 mm (7-1/2")] 2. MARKETING OBJECTIVE Circular saw market in the European countries are mainly demanding the heavy-duty machines for professionals. However, potential demands for reasonably priced and light-duty machines are seemed to be strong. We will expand selling the circular saws with reasonable price and high performance for European countries to find a new market.
  • Page 5: Selling Point Descriptions

    Fig. 3 (2) Accurate and sturdy aluminum die-cast base Thanks to the sturdy aluminum die-cast base, the Models C 6MFA/C 7MFA can cut workpieces accurately and the cut surfaces of the workpieces are smooth. (3) High performance 40-tooth tungsten carbide tipped (TCT) saw blade as standard High performance TCT saw blade (40 teeth) is provided as standard instead of the conventional combination blade.
  • Page 6: Specifications

    5. SPECIFICATIONS Model C 6MFA C 7MFA Saw blade diameter 165 mm (6-1/2") 190 mm (7-1/2") at 90˚ 0 to 68 mm (0 to 2-11/16") 0 to 57 mm (0 to 2-1/4") Cutting depth Max. 46 mm (1-13/16") at 45˚...
  • Page 7: Comparisons With Similar Products

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Models C 6MFA and C 7MFA Circular Saws by all of our customers, it is very important that at the time of sale the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Handling Instructions.
  • Page 8: Precautions In Disassembly And Reassembly

    8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY The procedures for disassembly and reassembly and certain precautions are described below. The [Bold] numbers in the descriptions below correspond to the item numbers in the Parts List for all the models. In disassembly or reassembly and also in other work, the Base Ass'y [63] should be carefully handled to prevent the loss of the accuracy of each part, such as the flatness of the bottom surface.
  • Page 9 (5) Removing the Armature [29] (See Fig. 5.) (a) Remove the Lock Lever [48] and tap the end surface of the Housing Ass'y [20] with a wooden hammer. The Armature [29] and the Fan Guide [28] can then be removed. (b) Remove the Fan Guide [28], Thrust Washer [22] and Bearing Lock [21].
  • Page 10 (7) Removing the Base Ass'y [63] (See Fig. 7.) (a) Loosen the Seal Lock Screw (W/Sp. Washers) M6 x 14 [65], then remove Lever (A) [66], Lock Nut [67], Washer [68] and Bolt (Square) M6 x 20 [53]. (b) Loosen the two Hex. Socket Set Screw M5 x 6 [34] of the Gear Cover Ass'y [35] and the hex. socket screw in the Sleeve [58] to remove the Sleeve [58].
  • Page 11: Reassembly

    8-2. Reassembly Cautions on installation Reassembly can be accomplished by following the disassembly procedures in reverse. However, particular attention should be given to the following points: (1) Assembling the Bearing Lock [21] and the Thrust Washer [22] (See Fig. 8.) Before installing the Armature [29], be sure to install the Bearing Lock [21] and Thrust Washer [22] in the bearing chamber of the Housing Ass'y [20] in this order.
  • Page 12 (4) Assembling the Stator Ass'y [27] As shown in Fig. 10, insert a guide bar [J-132 stator press pins (special repair tool, Code No. 970911) are recommended] into the Stator Ass'y [27] and the Housing Ass'y [20] to accurately align the screw hole on the Stator Ass'y [27] with the corresponding hole on the Housing Ass'y [20].
  • Page 13 (6) Wiring procedure (See Figs. 12 and 13.) Wiring should be carried out by referring to Figures 11 and 12. During installation, be careful not to pinch the lead wires between the housing and the handle cover. Fig. 12 Fig. 13 (Expanded drawing of switch) (7) Wiring diagram (See Fig.
  • Page 14: Insulation Tests

    Allowable deflection level of the saw blade shall be as follows. Model Measuring point Allowable level C 6MFA, C 7MFA 0.3 mm max. 8-5. Cleaning the Case When the unit becomes soiled, clean it with a clean soft rag moistened with soapy water. Since chloric solvents, gasoline and thinner tend to melt plastic material, their use for cleaning is absolutely avoided.
  • Page 15: Standard Repair Time (Unit) Schedules

    9. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow C 6MFA C 7MFA Handle Cover Switch Cord Cord Armor Housing Ass'y Stator Ass'y General Assembly Protective Armature Cover Ball Bearing Return Spring (608VV) Ball Bearing (6000VV)
  • Page 16 Hitachi Power Tools LIST NO. E502 ELECTRIC TOOL PARTS LIST CIRCULAR SAW 2005 • • Model C 6MFA (E1)
  • Page 17 PARTS C 6MFA ITEM CODE NO. DESCRIPTION REMARKS USED 963-803 METAL 322-088 SPINDLE AND GEAR SET 308-361 BEARING HOLDER 305-568 SEAL LOCK FLAT HD. SCREW M5X12 318-192 BUSHING 323-937 LOWER GUARD 302-442 RETURN SPRING 600-2VV BALL BEARING 6002VVCMPS2L 308-362 BEARING COVER 308-773 SEAL LOCK FLAT HD.
  • Page 18 PARTS C 6MFA ITEM CODE NO. REMARKS DESCRIPTION USED 937-631 CORD CLIP 984-750 TAPPING SCREW (W/FLANGE) D4X16 953-174 HEX. HD. TAPPING SCREW D5X55 307-918 LOCK LEVER 600-0VV BALL BEARING 6000VVCMPS2L 318-647 RUBBER RING 961-729 CUSHION 949-794 FLAT HD. SCREW M6X20 (10 PCS.)
  • Page 19: Standard Accessories

    STANDARD ACCESSORIES C 6MFA ITEM CODE NO. DESCRIPTION REMARKS USED 302-756 GUIDE 990-666 HEX. BAR WRENCH 2.5MM 940-543 BOX WRENCH 10MM OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 302-981 DUST COLLECTOR SET (D) 954-619 CORD HANGER --- 4 ---...
  • Page 20 Hitachi Power Tools LIST NO. E503 ELECTRIC TOOL PARTS LIST CIRCULAR SAW 2005 • • Model C 7MFA (E1)
  • Page 21 PARTS C 7MFA ITEM CODE NO. DESCRIPTION REMARKS USED 963-803 METAL 322-088 SPINDLE AND GEAR SET 308-361 BEARING HOLDER 305-568 SEAL LOCK FLAT HD. SCREW M5X12 318-192 BUSHING 323-921 LOWER GUARD 302-442 RETURN SPRING 600-2VV BALL BEARING 6002VVCMPS2L 308-362 BEARING COVER 308-773 SEAL LOCK FLAT HD.
  • Page 22 PARTS C 7MFA ITEM CODE NO. REMARKS DESCRIPTION USED 937-631 CORD CLIP 984-750 TAPPING SCREW (W/FLANGE) D4X16 953-174 HEX. HD. TAPPING SCREW D5X55 307-918 LOCK LEVER 600-0VV BALL BEARING 6000VVCMPS2L 318-647 RUBBER RING 961-729 CUSHION 949-794 FLAT HD. SCREW M6X20 (10 PCS.) 942-808 BOLT (SQUARE) M6X20 500-234Z CORD...
  • Page 23 STANDARD ACCESSORIES C 7MFA ITEM CODE NO. DESCRIPTION REMARKS USED 302-756 GUIDE 990-666 HEX. BAR WRENCH 2.5MM 940-543 BOX WRENCH 10MM OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 302-981 DUST COLLECTOR SET (D) 954-619 CORD HANGER --- 4 --- Printed in Japan 1 -- 05 * ALTERNATIVE PARTS...

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C 7mfaC 7mfa