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Hitachi CD 14F Technical Data And Service Manual

Dry cut metal saw
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MODEL
CD 14F
POWER TOOLS
C
TECHNICAL DATA
DRY CUT METAL SAW
AND
CD 14F
SERVICE MANUAL
LIST No. N0904
May 2001
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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  Summary of Contents for Hitachi CD 14F

  • Page 1 MODEL CD 14F POWER TOOLS TECHNICAL DATA DRY CUT METAL SAW CD 14F SERVICE MANUAL LIST No. N0904 May 2001 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: Competitors Symbols Utilized Company Name Model Name 1410 POTER CABLE...
  • Page 3: Table Of Contents

    10-3. Adjustments ..........................20 10-4. Wiring ............................20 10-5. Precautions in Wiring ........................21 10-6. Lubrication ..........................21 10-7. Machine Accuracy ........................21 10-8. Cutting Accuracy ......................... 21 11. STANDARD REPAIR TIME (UNIT) SCHEDULES..............22 Assembly Diagram for CD 14F ......................23...
  • Page 4: Product Name

    This is the reason of an increasing demand for a cutter equipped with a tipped saw blade and free from the above problems. The new Model CD 14F is a highly efficient and long-life dry cut metal saw equipped with a tipped saw blade for metal cutting.
  • Page 5: Selling Point Descriptions

    (2) Equipped with tipped saw blade for metal cutting The Model CD 14F is far superior to the conventional high-speed cutters (cutting with grindstones) in cutting performance thanks to the tipped saw blade for metal cutting. This tipped saw blade has a unique relief angle to cause minor chipping when the cutting edge becomes worn for long-lasting cutting quality, and has about 1.5 times longer service life than those of the competitors.
  • Page 6 (3) Quick-lock vise The Model CD 14F is equipped with the quick lock vise ass'y that can securely fasten a workpiece just by tilting the clutch toward vise (A) (to screw-fit the clutch) and turning the screw handle, and quickly release the vise (A) just by tilting the clutch backward (to release the screw-fitted clutch).
  • Page 7: Specifications

    5. SPECIFICATIONS Round steel pipe 130 mm dia. (5-1/8") 90˚ Square type 120 mm x 120 mm (4-3/4" x 4-3/4") Maximum Rectangular type 180 mm x 95 mm (7-3/32" x 3-3/4") cutting dimensions Round steel pipe 105 mm dia. (4-1/8") 45˚...
  • Page 8: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS 6-1. Specification Comparisons Maker • Model HITACHI Hitachi Unit CD 14F CC 14SC Item Tipped saw blade Tipped saw blade Cut-off wheel Blade/wheel type 90˚ Round pipe 130 mm dia. 130 mm dia. 114.3 mm dia.
  • Page 9: Precautions In Sales Promotion

    7-2. Precautions of the Nameplate Each Model CD 14F is furnished with a nameplate that lists the following precautions. (1) Advise the customer to become thoroughly familiar with the contents of the Instruction Manual before attempting to operate the machine.
  • Page 10: Warning Label (B)

    7-4. Warning Label (B) Warning label (B) is affixed on the lower portion of warning label (A). Please instruct customers to strictly observe the contents from 1 to 12 in warning label (B) shown at the left. Fig. 6 7-5. Grounding Instructions In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock.
  • Page 11: Precautions In Operations

    Fig. 9-A Fig. 9-B (2) Features of the tipped saw blade The Model CD 14F's tipped saw blade features: A unique relief angle to cause minor chipping when the cutting edge becomes worn for long-lasting cutting quality Trapezoidal teeth for precise straight cutting Cut-limiting tooth form to limit the maximum cutting depth for prevention of chipping These features are described in more detail below.
  • Page 12 Trapezoidal teeth are superior to alternating teeth in service life and accuracy, and alternating teeth are superior to trapezoidal teeth in cutting quality. The Model CD 14F adopts the tipped saw blade with Alternating teeth trapezoidal teeth to assign priorities to service life and accuracy.
  • Page 13: Fastening Of Workpiece

    8-5. Angle Cutting The Model CD 14F is capable of angle cutting up to an angle of 45 degrees. Angle setting of vise (B) can be accomplished by loosening the bolt M10 and the hex. head screw with the accessory 17 mm wrench, and aligning the indicator with the described angle setting on the angle graduation scale.
  • Page 14: Precautions During Cutting

    Depending on working conditions, ear plugs, a dust mask and other safety devices may also be necessary. (2) Be sure to ground the Model CD 14F according to "7.5 Grounding Instructions" to reduce the risk of electric shock in the event of a malfunction or breakdown.
  • Page 15: Troubleshooting

    (2) Excessive cutting force (pressure) is Replace the TCT Saw Blade [87] with applied due to dull saw blade. new one. Use a suitable Hitachi-supplied tipped (3) Incorrect tipped saw blade is used. saw blade for metal cutting. (4) Improper workpiece is used.
  • Page 16: Precautions In Disassenbly And Reassembly

    10. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY Points requiring particular attention in disassembly and reassembly are described below. The circled numbers in the following figures and [Bold] numbers in the descriptions below correspond to the item numbers in the Parts List and exploded assembly diagram. Prior to attempting disassembly or replacement of the tipped saw blade, ensure without fail that the power cord is disconnected from the power source.
  • Page 17 (2) Removal of the gear cover, drive shaft ass'y and main spindle ass'y: Tools required: (+) screwdriver Plastic hammer Slender-nose pliers Continued from (1): Remove the four Machine Screws (W/SP. Washer) M5 x 16 [31]. Lightly tap the Gear Case [29] with a plastic hammer to remove all the parts shown in the above figure as "A"...
  • Page 18 (3) Removal of the handle cover, hook, trigger switch, overload switch and switch handle: Tools required: 14 mm wrench (+) screwdriver Nippers Loosen the nut of the Overload Switch [44] and remove one Machine Screw M5 x 18 [48]. Remove the Machine Screw M5 x 23 [58], Machine Screw M5 x 30 [50] and Machine Screw M5 x 25 [51] then remove the Handle Cover [52].
  • Page 19 (4) Removal of the housing ass'y, armature ass'y and stator ass'y: Tools required: (+) screwdriver (-) screwdriver Plastic hammer Continued from (1), (2)- , (3)- Remove the internal wires from the Switch [61]. Cut the internal wire of the Stator [11] and the white internal wire of the Cord [23] that is crimped by the Wire Connector [60] with nippers.
  • Page 20 (5) Removal of the shaft, spring (A), dust box, bottom plate and wrench holder: Tools required: 17 mm wrench (standard accessory) 2.5 mm wrench (hex. bar wrench) (+) screwdriver (-) screwdriver Plastic hammer Slender-nose pliers Loosen the Nut M10 [115] and tighten the Bolt M10 x 60 [114]. Be careful that the Gear Case [29] falls backward.
  • Page 21 (6) Removal of the indicator, vise (B), quick lock vise ass'y and slide base: Tools required: (+) screwdriver 17 mm wrench (standard accessory) 2.5 mm wrench (hex. bar wrench) (+) screwdriver Remove the Machine Screw M5 x 8 [129] and the Indicator [130]. Remove the Bolt (W/Washers) M10 x 25 (Black) [105], Bolt M10 [106] and Vise (B) [108].
  • Page 22 (7) Removal of vise (A), vise shaft, screw holder and screw handle ass'y: Tools required: 13 mm wrench Roll pin remover Hammer Remove the cap nut of the Screw Handle [91] to remove the Screw Handle [91] from the Quick Lock Vise Ass'y [94].
  • Page 23: Reassembly

    (1) Prior to reassembly, measure the insulation resistance of the Armature Ass'y [9], Stator [11], Switch [61], and other electrical components and confirm that the insulation resistance of each part is 5 MΩ or more. (2) When replacing Spring (A) [119], apply 5 grams of grease (Hitachi Motor Grease is recommended) to its inner circumference.
  • Page 24: Precautions In Wiring

    10-5. Precautions in Wiring When connecting leadwires, be very careful not to remove any more of the insulation covering than is absolutely necessary. In particular, carefully avoid exposed wire cores protruding from connectors, and ensure that no leadwires become pinched between the mounting surfaces of the Handle Cover [52]. 10-6.
  • Page 25: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow CD 14F General Assembly Handle Cover Switch Switch Handle Cord Fixed Cost Base Vise (B) Shaft Handle Cover Quick Lock Spring (A) Vise (B) Vise Ass'y Vise (A) 0 min.
  • Page 26: Assembly Diagram For Cd 14F

    LIST NO. N0904 ELECTRIC TOOL PARTS LIST DRY CUT METAL SAW 2001 • • Model CD 14F (E1)
  • Page 27 CD 14F --- 2 --- 3 -- 01...
  • Page 28 PARTS CD 14F ITEM CODE NO. DESCRIPTION REMARKS USED 320-058 HOUSING ASS’Y 1 INCLUD.2,4 320-041 HEX. SOCKET SET SCREW 320-059 BRUSH HOLDER 320-078 CARBON BRUSH (1 PAIR) 320-060 BRUSH CAP NAME PLATE 320-061 WAVE WASHER 320-077 ARMATURE ASS’Y 1 INCLUD.10,14...
  • Page 29 PARTS CD 14F ITEM CODE NO. DESCRIPTION REMARKS USED 320-008 SWITCH SPRING 311-945 TAPPING SCREW (W/FLANGE) D4X10 (BLACK) 320-010 MACHINE SCREW M5X8 (10 PCS.) 973-879 TOOTHED LOCK WASHER M5 320-002 MACHINE SCREW M5X23 320-003 HOOK 320-009 WIRE CONNECTOR 320-053 SWITCH...
  • Page 30 PARTS CD 14F ITEM CODE NO. DESCRIPTION REMARKS USED 307-356 BOLT (W/WASHERS) M10X25 (BLACK) 320-028 BOLT M10 320-029 BOLT WASHER M14.2 320-026 VISE (B) 320-040 SHAFT 320-039 HEX. HD SCREW M10X65 949-560 NUT M10 (10 PCS.) 949-458 SPRING WASHER M10 (10 PCS.) 320-041 HEX.
  • Page 31 STANDARD ACCESSORY CD 14F ITEM CODE NO. DESCRIPTION REMARKS USED 320-055 SAFETY GOGGLE 320-080 WRENCH 17MM 872-422 HEX. BAR WRENCH 6MM --- 6 --- * ALTERNATIVE PARTS Printed in Japan 3 -- 01 (010330N)