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...
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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...
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...
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.
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.
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˚...
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.
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.
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(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].
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(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].
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.
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(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].
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(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.
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.
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)
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Hitachi Power Tools LIST NO. E502 ELECTRIC TOOL PARTS LIST CIRCULAR SAW 2005 • • Model C 6MFA (E1)
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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.
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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.)