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Hitachi C 10RA2 Technical And Service Manual

Table saw
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See also: Operation Manual & Safety Instructions
MODEL
C 10RA2
POWER TOOLS
C
TECHNICAL DATA

TABLE SAW

AND
C 10RA2
SERVICE MANUAL
LIST No. E929
Sep. 1999
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi C 10RA2

  • Page 1: Table Saw

    MODEL C 10RA2 POWER TOOLS TECHNICAL DATA TABLE SAW C 10RA2 SERVICE MANUAL LIST No. E929 Sep. 1999 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: Competitor Symbol Utilized Company Name Model Name 2703 MAKITA...

  • Page 3: Table Of Contents

    CONTENTS [ Business Section ] Page 1. PRODUCT NAME • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 2.
  • Page 4 [ Appendix ] Assembly Diagram for C 10RA2 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •...

  • Page 5: Product Name

    Hitachi Table Saw, Model C 10RA2 2. MARKETING OBJECTIVE The Model C 10RA2 was developed to upgrade and replace the current Model C 10RA. The key features of the Model C 10RA2 are as follows: (1) Smooth-sliding fence mounted on rails at the front and the rear of the table...

  • Page 6: Selling Point Descriptions

    (Unit: W) (4) Equipped with a high-power 1,940 W (2.6 hp) motor Maker/Model name Max. output The high-power motor facilitates fast cutting operations. Hitachi C 10RA2 60 x 150 mm material 15 seconds HITACHI C 10RA2 1,940 (2.6 hp) --- 2 ---...

  • Page 7: Specifications

    5. SPECIFICATIONS 5-1. Specifications Item Specifications Cutting angle 90˚ 45˚ bevel Saw blade Max. cutting depth Outer diameter 0 --- 76 mm 11 --- 63 mm 255 mm (10") (0 --- 3") (7/16" --- 2-1/2") Saw blade dimensions Outer dia. 255 mm (10") x Inner dia. 15.9 mm (5/8") x Teeth number 36 (supplied TCT blade) Table surface 185 mm...

  • Page 8: Outside View And External Dimensions

    5-2. Outside View and External Dimensions Overall depth 825 mm (32-1/2") Table depth 500 mm (19-11/16") Overall height 410 mm Table height Rail depth 595 mm (16-1/8") 310 mm (23-7/16") (12-3/16") 455 mm (17-29/32") 8 mm (5/16") Dia. x 4 (pcs.) Mounting hole diameter Mounting hole pitch 395 mm (15-9/16")

  • Page 9: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI Model C 10RA2/C 10RA Item Outer diameter 255 mm (10") 255 mm (10") Saw blade Inner diameter 15.8 mm (5/8") 15.8 mm (5/8") 76 mm (3") 91 mm (3-9/16") 0˚ (right angle) Maximum cutting 11 mm --- 63 mm (7/16"...

  • Page 10: Precautions In Sales Promotion

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model C 10RA2 Table Saw 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 Instruction Manual, and fully understands the meaning of the precautions listed on the various caution plates attached to each machine.

  • Page 11: Warning Label (B)

    (1) Be sure to wear the protective glasses. (2) Advise the user to use the saw blade guard and spreader when using the table saw. The saw blade guard prevents the operator from touching the saw blade and the dislodging of workpieces. This should be employed to ensure safety.

  • Page 12: Package

    7-5. Package The table saw Model C 10RA2 is divided into the main body and the saw blade guard sections before packing and shipping. Therefore, buyers of this machine are required to perform some light assembly. Instruct customers to carefully read the assembly procedure in the Instruction Manual.

  • Page 13: Precautions On Operation

    8. PRECAUTIONS ON OPERATION 8-1. Unpacking The parts illustrated in Fig. 6 are packaged together with the tool. When unpacking, carefully confirm that all parts are accounted for. Refer to the instructions packed in the carton box for the components of the table saw stand. Fig.

  • Page 14: Assembly

    8-2. Assembly WARNING: To avoid an accident or personal injury, always confirm that the switch is turned OFF and the power plug has been disconnected from the receptacle before assembly of this tool. 8-2-1. Assembly of the Handle Bar The handle allows faster turning of the wheel. When properly assembled, it will rotate freely but with only a small amount of play, (1) Tighten the screw of the handle until it hits against the...
  • Page 15 8-2-4. Mounting and Adjusting the Saw Blade Guard Assembly Saw blade CAUTION: The saw blade guard and spreader assembly must be aligned properly to the saw blade in order to prevent kickback. Down Mount the saw blade guard assembly, which includes the Loosen spreader and anti-kickback pawls (see Fig.

  • Page 16: Adjustment

    8-2-5. Mounting the Table Insert 5 mm Machine screws Table The table insert is mounted to the table with two 5 mm machine Table insert screws. CAUTION: The table insert must be in place and securely fastened at all times. Fig.
  • Page 17 (9) Without disturbing the bar clamped to the miter gauge, Clamp Saw blade handle (B) move the miter gauge to the center of the saw blade. (10) Rotate the marked tooth to the rear and slide the miter Miter gauge rearward until the clamped bar is closest to the tip of gauge the marked saw blade tooth (see Fig.
  • Page 18 (2) To adjust the positive stop at left bevel 45˚ Saw blade 1 Turn the wheel fully clockwise and set the saw blade to the maximum cutting height. Down Loosen 2 Loosen the saw blade tilt lock handle and move the saw Tilt lock blade tilting mechanism to the right until it hits against the Tighten...
  • Page 19 4 Raise the grip to the upside and release the fixation of the rip fence. Move and return the parallel bracket adjacent to the miter gauge groove. Lower the grip to the bottom and fix the rip fence. And verify that the parallel bracket is parallel to the miter gauge groove.

  • Page 20: Relation Between Saw Blade And Spreader

    OFF, the rotation usually stops in 3 to 5 seconds. Should it take more than 15 seconds before stopping, the machine should not be used. Instruct the customer to contact a Hitachi electric tool dealer for inspection or repair if this occurs.

  • Page 21: Extension Cords

    8-7. Extension Cords The Instruction Manual contains a table of cord lengths and lead wire diameters. Select an appropriate extension cord. If the lead wire diameter is too small compared with the cord length, it may cause considerable voltage drop, resulting in lowered efficiency. Use only three-wire extension cords which have three-prong grounding-type plugs and three-pole receptacles which accept the saw's plug.

  • Page 22: Cutting Work

    8-8. Cutting Work Precautions on cutting work are provided in the Instruction Manual. Read them carefully and advise the user on correct operation. In this section, important items and the items not described in the Instruction Manual are explained to help you advise the user. (1) For cutting work, be sure to use the saw blade guard and check that everything functions properly.

  • Page 23: Maintenance And Inspection

    9. MAINTENANCE AND INSPECTION WARNING: To avoid an accident or personal injury, always confirm that the switch is turned OFF and that the power plug has been disconnected from the receptacle before performing any maintenance or inspection of this tool. 9-1.

  • Page 24: Inspecting The Saw Blade Guard For Proper Operation

    9-4. Inspecting the Saw Blade Guard for Proper Operation Before each use of the tool, test the saw blade guard to assure that it is in good condition and that it moves smoothly. Never use the tool unless the saw blade guard operates properly and unless it is in good mechanical condition.

  • Page 25: Precautions In Disassembly And Reassembly

    10. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY Please follow the precautions below for disassembly and reassembly procedures. The circled numbers in the following figures and the [Bold] numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagrams. CAUTION: Prior to attempting disassembly or replacement of the saw blade, ensure that the power cord plug is disconnected from the power source.
  • Page 26 (1) Remove the M6 x 110 Bolt [8] and M6 x 90 Bolt [11] using a 10 mm wrench, and remove the Saw Blade Guard and Spreader Assembly (Blade Guard [3] and Spreader [24]). (2) Remove the two M5 x 8 Machine Screws [59] and remove the Table Insert [58]. (3) Put the 22 mm wrench (standard accessory) on the Spindle Ass'y [201] to hold it.
  • Page 27 (2) Remove the three D4 x 10 Tapping Screws [150] and remove the Switch Box [147]. Then, remove the two D4 x 8 Pan Hd.Tapping Screws [156] and detach the ground wire (green/yellow). C. Disassembly of the motor and wheel sections Tools required: •...
  • Page 28 (1) Turn the Wheel [131] counterclockwise and move the motor to the lower limit position. Turn the Tension Handle [130] counterclockwise to loosen and tilt the motor at an angle of 45 degrees. Turn the Tension Handle [130] clockwise to tighten. Then, turn the body (Table [67] surface upside down.) (2) Remove the two Brush Caps [220] and remove the two Carbon Brushes [221].
  • Page 29 D. Disassembly of the body and spindle sections Tools required: • Pillips head screwdriver • 3 mm Hexagon bar wrench • 8 mm, 10 mm and 13 mm Wrenches • Plastic hammer Fig. 26 (1) Remove the four M6 Nuts [105] using a 10 mm wrench, and remove the Body [92] from the Table [67]. (2) Remove the four M6 x 12 Machine Screws [112], and remove the Bracket [113].
  • Page 30 (8) Remove the four M4 x 12 Machine Screws [203], and remove the Bearing Retainer [205]. (9) Remove the Spindle Ass'y [201] by striking the Bracket [211] with a plastic hammer. (10) Hold the Screw Bar [90] using an 8 mm wrench, and remove the M8 Nut Chuck [91] with a 13 mm wrench. Remove the Screw Bar [90] from the Bracket [211].
  • Page 31 Motor Parts Fig. 28 --- 27 ---...

  • Page 32: Reassembly

    10-2. Reassembly Perform reassembly in reverse order of disassembly while observing the following precautions. (1) Prior to reassembly, measure the insulation resistance of the armature ass'y, stator ass'y, switch and other electrical components with a DC 500 V Megohm Tester, and confirm that the insulation resistance of each part is more than 5 MΩ.

  • Page 33: Wiring

    10-3. Wiring Wiring should be performed as shown in Fig. 30. Please note that incorrect wiring will result in a failure in rotation. (1) Wiring diagram Rocker Lead Circuit switch wire breaker (black) Motor switch Power Black Black cable Stator cable core outer Armature...

  • Page 34: Adjustments

    10-4. Adjustments After disassembly and reassembly, the following parts require adjustment. After being disassembled and reassembled, the affected items should be adjusted. For adjustment, see the adjusting method described in 8-3. Adjustment on page 12. (1) Parallel alignment of the saw blade and the miter-gauge groove (2) Saw blade squareness and tilting 45˚...

  • Page 35: Repair Guide

    11. REPAIR GUIDE Factory rated Problem Possible cause Remedy value a) Because of poor 0.4/60 • Readjust the squareness of the Low cutting accuracy squareness between (Dummy disc) saw blade using the M6 x 20 --- poor squareness of the table and saw (Fig.
  • Page 36 Excessive force is • Replace the Saw Blade [704]. applied because of a dull saw blade. ------ • Use a genuine Hitachi saw d) Wrong selection of blade. saw blade • The higher the number of teeth of a saw blade, the more cutting resistance increases.
  • Page 37 Factory rated Problem Possible cause Remedy value ------ a) Power cord is not • Check the power voltage. The saw blade won't • Plug the power cord into the connected to the turn even if the switch outlet. power outlet. is turned on.

  • Page 38: Standard Repair Time (Unit) Schedules

    12. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 70 min. Fixed Work Flow C 10RA2 Extension Wing (L) Extension Wing (R) General Assembly Circuit Breaker Switch Box Switch Blade Guard Switch Plate Ass'y 0 min. Spreader Rocker Switch Switch plate Power Cable Other: 10 min.

  • Page 39: Assembly Diagram For C 10Ra2

    Assembly Diagram for C 10RA2 --- 35 ---...
  • Page 40 Assembly Diagram for C 10RA2 --- 36 ---...
  • Page 41 C 10RA2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 318-086 BLADE GUARD ASS’Y INCLUD.2-25 314-474 NUT CHUCK M6 314-479 BLADE GUARD 314-476 SELF-LOCKING RING 949-644 BOLT M6X40 (10 PCS.) 314-477 314-478 RIVET 318-088 BOLT M6X110 949-455 SPRING WASHER M6 (10 PCS.) 949-432 BOLT WASHER M6 (10 PCS.)
  • Page 42 C 10RA2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 318-113 CLAMPER 318-114 RUBBER BUSHING 318-115 ECCENTRIC SHAFT 949-558 NUT M8 (10 PCS.) 318-116 CLAMP BOLT 318-117 GRIP 314-484 TABLE INSERT FOR SAW BLADE 949-235 MACHINE SCREW M5X8 (10 PCS.) 949-342 FLAT HD.
  • Page 43 C 10RA2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 314-528 PIVOT SUPPORT 949-455 SPRING WASHER M6 (10 PCS.) 949-556 NUT M6 (10 PCS.) 967-469 HEX. SOCKET SET SCREW M6X6 314-533 ANCHOR BLOCK 314-534 FLAT WASHER M9.5 307-410 BOLT (W/WASHERS) M8X16 (BLACK)
  • Page 44 C 10RA2 PARTS ITEM CODE NO. DESCRIPTION REMARKS USED 314-547 EXTENSION SUPPORTER (R) 314-549 TAPPING SCREW D5X16 318-132 PAN HD. TAPPING SCREW D4X8 314-553 TOOTHED LOCK WASHER M4 314-458 SWITCH PLATE 314-459 ROCKER SWITCH 317-158 INTERNAL WIRE 318-274 RUBBER STOPPER 314-451 SPINDLE ASS’Y...

  • Page 45: Standard Accessories

    C 10RA2 STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 314-590 WRENCH 22MM 314-591 WRENCH 23/26MM 314-592 ELBOW 314-616 TCT SAW BLADE 255MM-D15.88 HOLE-NT36 314-819 STAND OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 314-325 TABLE INSERT FOR CUTTER 314-324...

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