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8-5. Cutting Operation for Long Blade Life

The service life of a saw blade may vary depending on the operating conditions such as the type of cutting

operation, pressing force, etc. Observing the following instructions can lengthen the service life of a saw blade, for

reference.

Heat generated in the cutting operation can significantly affect the service life of the saw blade. Continued cutting

operation with the cutting edge of the saw blade heated to red hot can decrease the hardness of the saw blade

because the cutting edge is annealed. The saw blade is then worn out in a short time and nothing can be cut.

The merits of moving the saber saw up and down are described below.

The seesaw motion of the saw blade can minimize heating.

The effective cutting length of the blade is longer than that of an ordinary cutting operation. Thus, the service

life of the saw blade can be lengthened and the cutting speed can be faster. Cutting wood in the same

manner can also make the cutting speed faster.

Application of undue force to the workpiece during the cutting operation can heat up the cutting edge of the saw

blade and the number of strokes can decrease, causing reduction of speed. Appropriate pressing force is about

4 to 5 kgf.

Do not apply undue force to the workpiece

1 Move the saber saw handle up and down repeatedly during the cutting operation

Содержание CR 13VBY

Страница 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL RECIPROCATING SAW CR 13VBY SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E713 Feb 2007 C MODEL CR 13VBY ...

Страница 2: ...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 Symbols Utilized Competitors Company Name Model Name Milwaukee 6536 21 M BOSCH GSA1100PE B Makita JR3070CT J ...

Страница 3: ...Cutting Wood 14 8 3 Cutting Steel Pipes with Reversely Mounted Blade 15 8 4 Cutting Wood with Reversely Mounted Blade 16 8 5 Cutting Operation for Long Blade Life 17 9 PRECAUTIONS IN SALES PROMOTION 18 9 1 Handling Instructions 18 9 2 Caution Plate 18 10 REPAIR GUIDE 19 10 1 Precautions in Disassembly and Reassembly 19 10 2 Lubrication 28 10 3 Tightening Torques 29 10 4 Wiring Diagram 29 11 CONFIR...

Страница 4: ...ance 3 APPLICATIONS Cutting pipes and angles Cutting or plunge cutting in various types of wood workpieces Cutting various types of metals such as mild steel aluminum and copper Cutting various types of synthetic resin materials such as bakelite and vinyl chloride 4 SELLING POINTS Saw blade can be mounted in either upward or downward direction Fast cutting speed thanks to the high power motor Vibr...

Страница 5: ...el CR 13VA Reciprocating in opposite directions Low vibration mechanism Plunger Reciprocating shaft Plunger Counter weight Counter weight Gear 2 Fast cutting speed thanks to the high power motor The Model CR 13VBY can cut various construction materials efficiently thanks to the high power motor whose maximum output is over 1 300 W The number of strokes is also increased to 0 to 3 000 min 1 Model C...

Страница 6: ...y mounted and removed just by pressing the lever Stronger bolt The Model CR 13VBY is equipped with the special bolt M5 that is stronger than the special bolt M4 of the former Model CR 13V b Insert the saw blade all the way into the small slit of the plunger tip with the lever pushing c Release the lever and pull back the saw blade two or three times by hand to check that the blade is securely moun...

Страница 7: ...n the toolless blade detachable mechanism with a brush for smooth functioning In addition to the regular maintenance perform the following effective maintenance occasionally Cleaning the inside of the toolless blade detachable mechanism Pull the rubber cap provided on the lever in the arrow direction as shown below Then the rubber cap can be easily removed from the lever Remove dust from the insid...

Страница 8: ... information about plunge cutting on plywood panels 6 Swing cut mechanism Cutting operation is selectable between smooth straight cut mode and efficient swing cut mode by switching the change lever When the swing cut mode is selected the rear of the plunger reciprocating shaft moves up and down along the slope of the counter weight in the gear case through the swing roller to powerfully cut into a...

Страница 9: ...e amount of dust generated when cutting construction materials such as autoclaved lightweight concrete panels and also from waste water when cutting pipes Dust resistant felt ring It prevents dust from entering by way of the plunger reciprocating shaft Dust and water resistant seal ring made of heat resistant rubber It prevents dust and waste water from entering by way of the plunger reciprocating...

Страница 10: ...wearing working gloves 9 Durable double molded elastomer and plastic front cover The front cover is durable heat resistant and easy to operate thanks to the double molded construction glassfiber reinforced polycarbonate at the front cover main body and elastomer at the front grip The front grip is far easier to hold than that of the former Model CR 13VA thanks to the new slender and comfortable sh...

Страница 11: ...oss 7 4 kg 32 mm 1 1 4 1 450 W 1 300 W For the U S A and Canada 1 150 W 1 370 W For the U S A and Canada 110 V 11 A 120 V 12 A 220 V 5 5 A 230 V 5 3 A 240 V 5 0 A Packaging No load 0 to 3 000 min 1 strokes min Full load 2 450 min 1 strokes min at the max speed dial setting 5 2 040 min 1 strokes min for the U S A and Canada dial setting 5 Standard accessories Capacity 5 1 Specifications Housing Nyl...

Страница 12: ...metal blades shown in the following table are provided as optional accessories The bimetal blades are tough and rarely break since they are made of two different types of steels by electron beam welding A very hard steel called DM05 JIS SKH51 or equivalent molybdenum containing high speed steel or Matrix II JIS SKH56 or equivalent cobalt containing high speed steel is used at the cutting edges and...

Страница 13: ...e swing cut operation Otherwise the blade may be broken or the Model CR 13VBY may be damaged Blade No Uses Thickness mm For cutting steel and stainless pipes less than 60 mm in outer diameter No 341 2 5 6 Below 3 5 d Selection of blades for other materials Material to be cut Material quality 2 5 9 No 1 2 101 102 103 104 105 106 131 132 No 3 107 108 Iron plate Synthetic resin Nonferrous metal Mild ...

Страница 14: ...c Double seal Orbital Cutting action B Maker HITACHI Model CR 13VA CR 13V Voltage V mm min W mm kg dB dB Stroke No load speed Max output Dimensions Net weight Vibration No load noise Features L H W Variable speed Toolless blade Toolless base Handle Sealing construction CR 13VBY Power input W Front cover 230 1 150 32 1 450 465 167 103 4 4 119 93 0 Plastic and rubber Triple seal 0 3 000 T D Swing Pl...

Страница 15: ...e used for reference purposes since the vibration level may vary depending on the operating conditions such as the cutting function pressing force type of blade etc The graph shows the triaxial composite vibration levels when cutting plywood panels 19 mm in thickness Triaxial composite vibration levels m s 2 ...

Страница 16: ...aw blade is mounted in reverse for the Model CR 13VBY shipped to the U S A and Canada 8 1 Cutting Steel Pipes A steel pipe 42 mm 1 65 in inner diameter and 3 2 mm 0 13 in thickness Pressing force about 5 kgf 11 lbs Blade No 103 for cutting steel pipes Swing cutting Swing cutting Orbital cutting Orbital cutting Orbital cutting Swing or orbital cutting Straight cutting CR 13VBY CR 13VA J M B 0 20 15...

Страница 17: ...t 5 kgf 11 lbs 8 2 Cutting Wood Blade No 121 for cutting wood Swing cutting Swing cutting Orbital cutting Orbital cutting Orbital cutting Swing or orbital cutting Straight cutting CR 13VBY CR 13VA J M B 0 10 6 4 2 8 Cutting time sec cut ...

Страница 18: ...bs Blade No 103 for cutting steel pipes A steel pipe 42 mm 1 65 in inner diameter and 3 2 mm 0 13 in thickness Swing cutting Swing cutting Orbital cutting Orbital cutting Orbital cutting Swing or orbital cutting Straight cutting CR 13VBY CR 13VA J M B 0 50 30 20 10 40 Cutting time sec cut ...

Страница 19: ...SPF 2 x 10 Pressing force about 5 kgf 11 lbs Blade No 121 for cutting wood Swing cutting Swing cutting Orbital cutting Orbital cutting Orbital cutting Swing or orbital cutting Straight cutting CR 13VBY CR 13VA J M B 0 25 15 10 5 20 Cutting time sec cut ...

Страница 20: ...a short time and nothing can be cut The merits of moving the saber saw up and down are described below The seesaw motion of the saw blade can minimize heating The effective cutting length of the blade is longer than that of an ordinary cutting operation Thus the service life of the saw blade can be lengthened and the cutting speed can be faster Cutting wood in the same manner can also make the cut...

Страница 21: ...any electric power tool cannot be completely eliminated Accordingly general precautions and suggestions for the use of electric power tools and specific precautions and suggestions for the use of the Reciprocating Saw is listed in the Handling Instructions to enhance the safe and efficient use of the tool by the customer Salespersons must be thoroughly familiar with the contents of the Handling In...

Страница 22: ...Screw W Washers M4 x 10 Black 11 to remove Change Knob C 12 and Front Cover D E Set 6 from the main body Take out Pushing Button C 8 Base Lever C 7 and Pushing Spring 9 Remove Front Cover D E Set 6 Base Adapter C 17 and Cushion Rubber C 18 from the main body 2 Removal of the saw blade mount Fig 2 Slide the Cap 31 made of rubber out of Lever C 35 with fingers horizontally Remove the Lock Nut M5 26 ...

Страница 23: ...assembly Then Second Shaft D 47 assembly Counter Weight D 29 Weight Shaft D 30 Rubber Spacer 28 and Sub Shaft D 40 can be removed from Gear Cover D 20 At this time be careful not to lose the Rubber Spacer 28 Fig 3 Secure Gear Cover D 20 Remove the two Bolts M10 16 and pull out Guide Sleeve C Ass y 25 from Gear Cover D 20 Then Plunger C 27 and Guide Sleeve C Ass y 25 can be removed together Remove ...

Страница 24: ...of Recipro Plate C 44 to remove Recipro Plate C 44 in an assembly state Push the end surface of Second Shaft D 47 parallel surface to the side of Recipro Plate D 48 with a press supporting the side of Recipro Plate D 48 to remove Recipro Plate D 48 in an assembly state Remove the Retaining Rings for D35 Hole 46 from Recipro Plate C 44 and Recipro Plate D 48 Push off the four Ball Bearings 6003VVCM...

Страница 25: ...d together with the Armature 57 from the Housing 62 At this time do not hit the fan with the plastic hammer Remove the Fan Guide 58 from the Housing 62 Fig 7 Fig 8 Fig 9 6 Removal of Second Shaft E 49 Fig 8 Push the end surface of Second Shaft E 49 with a press supporting the side of the Gear 50 to remove the Gear 50 and the Ball Bearing 608VVC2PS2L 51 43 43 44 45 47 46 46 48 45 52 57 58 63 62 64 ...

Страница 26: ... 67 and Switch Ass y 75 Figs 11 and 12 Remove the four Tapping Screws W Flange D4 x 25 Black 5 and the two Tapping Screws W Flange D4 x 30 Black 73 Then the Switch Trigger 68 can be removed Note that there are two kinds of tapping screws w flange Loosen the machine screws securing two internal wires coming from the Stator Ass y 60 and two internal wires coming from the Cord 80 Then the Switch Ass ...

Страница 27: ...Terminal 61 coming from the Stator Ass y 60 from the Brush Holder 65 Push off the Brush Holder 65 from the inside of the Housing 62 with a flat blade screwdriver neither a screw nor an adhesive is used Fig 12 69 67 60 73 70 72 80 75 5 76 79 77 64 60 59 61 63 62 65 Fig 13 68 ...

Страница 28: ... 14 a and push it in the arrow direction with a press Mount Second Shaft D 47 to the jig as shown in Fig 14 b and push it in the arrow direction with a press Be careful of the press fitting direction of Recipro Plate C 44 and Recipro Plate D 48 2 Mounting the saw blade mount Figs 15 to 18 Insert Spring B 33 and Holder Pin B 32 into Plunger C 27 Apply Attolub MS No 2 grease to the slanted portion o...

Страница 29: ...r C 19 Finally mount and dismount the saw blade to check for operation Fig 17 Fig 18 Fig 15 Fig 16 36 36 35 19 36 32 27 33 35 19 36 32 27 33 34 31 26 Use the special jig J 316 for press fitting to control dimensions accurately There is an inspection hole on one side of Metal C 24 Insert Metal C 24 into Guide Sleeve C Ass y 25 so that the flat portion on the outside of Metal C 24 can be seen from t...

Страница 30: ... 27 and Counter Weight D 29 Note that the Rubber Spacers 28 may also come off if Weight Shafts D 30 come off Perform the above mounting work holding Weight Shafts D 30 in the arrow direction as shown in Fig 20 Insert Second Shaft E 49 that is mounted with the Gear 50 and the Ball Bearing 608VVC2PS2L 51 into Second Shaft D 47 as shown in Fig 21 Mount Washer G 15 and the Nut M8 14 to it and tighten ...

Страница 31: ...a More than 6 4 mm 8 5 mm or less 77 76 10 2 Lubrication Attolub MS No 2 Outer circumference of Plunger C 27 Groove of Plunger C 27 Inner circumference of Metal C 24 Inner circumference of Guide Sleeve C Ass y 25 Teeth of the Gear 50 Pinion of the Armature 57 5 7 mm diameter hole of Counter Weight D 29 Apply 30 g of grease to Gear Cover D 20 Gear 50 Swing Roller 37 and inner circumference of Guide...

Страница 32: ...Hex Hd Tapping Screw D5 x 55 59 3 4 0 7 N m 35 7 kgf cm Lock Nut M5 26 3 4 0 7 N m 35 7 kgf cm Special Bolt M5 34 5 9 1 5 N m 60 15 kgf cm Bolt M10 16 12 8 2 6 N m 125 25 kgf cm Nut M8 14 22 1 4 9 N m 225 50 kgf cm 10 4 Wiring Diagram Carefully ensure that wiring is accomplished as illustrated below As incorrect wiring will result in rotation failure reverse rotation or other malfunctions close at...

Страница 33: ... 30 With noise suppressor type 120 V type Other type Fig 25 Fig 26 Fig 27 ...

Страница 34: ...dle 11 2 Insulation Tests On completion of disassembly and repair measure the insulation resistance and conduct dielectric strength test Insulation resistance 7 M Ω or higher Dielectric strength 2500 V 1 minute 110 V to 120 V 4000 V 1 minute 220 V to 240 V 11 3 No load Current Value After no load operation for 30 minutes the no load current value should be as specified below at a frequency of 50 6...

Страница 35: ... Ass y Ball Bearing 6001VV Ball Bearing 608VV Change Shaft C1 General Assembly Sub Shaft D Ball Bearing 6003DD Recipro Plate C Recipro Plate D Ball Bearing 6003VV x 4 Second Shaft D Second Shaft E Gear Ball Bearing 608VV Blade Holder C Plunger C Gear Cover D Guide Sleeve C Ass y Metal C Seal Sleeve C Counter Weight D Weight Shaft D Housing Stator Ass y Front Cover D E Set Base Ass y C ...

Страница 36: ... 5 E1 Hitachi Power Tools 501 1 2 3 4 7 6 11 12 5 8 9 19 26 32 33 31 34 35 36 37 38 28 14 15 16 17 18 20 21 22 23 24 25 52 53 54 63 64 65 55 62 66 39 40 41 42 43 44 45 46 47 50 51 56 57 58 59 60 51 67 68 72 73 75 74 76 77 71 79 80 69 78 10 502 13 13 61 70 29 30 45 46 43 48 49 27 ...

Страница 37: ...458 FELT WASHER 1 22 326 576 SEAL SLEEVE C 1 23 318 459 V RING 1 24 326 579 METAL C 1 25 326 578 GUIDE SLEEVE C ASS Y 1 INCLUD 24 26 949 566 LOCK NUT M5 10 PCS 1 27 326 580 PLUNGER C 1 28 327 123 RUBBER SPACER 2 29 327 122 COUNTER WEIGHT D 1 30 327 121 WEIGHT SHAFT D 2 31 321 130 CAP 1 32 321 134 HOLDER PIN B 1 33 318 483 SPRING B 1 34 326 590 SPECIAL BOLT M5 1 35 326 588 LEVER C 1 36 326 591 BLAD...

Страница 38: ... NZL 68 322 133 SWITCH TRIGGER 1 69 981 373 TUBE D 1 FOR SIN KUW IND 69 981 373 TUBE D 2 EXCEPT FOR SIN KUW IND USA CAN 70 930 039 NOISE SUPPRESSOR 1 EXCEPT FOR SIN KUW IND USA CAN 71 981 373 TUBE D 2 FOR CORD 72 326 598 TRIAC HOLDER 1 73 305 490 TAPPING SCREW W FLANGE D4X30 BLACK 2 74 321 960 SWITCH 1P SCREW TYPE 1 74 321 961 SWITCH 1P SCREW TYPE 1 FOR GBR 110V 74 321 962 SWITCH 1P SCREW TYPE W S...

Страница 39: ...LADES NO 8 5 PCS 1 607 996 427 SABER SAW BLADES NO 9 3 PCS 1 608 318 611 SABER SAW BLADES NO 101 150L P 10 5 PCS 1 609 318 612 SABER SAW BLADES NO 102 228L P 10 5 PCS 1 610 318 613 SABER SAW BLADES NO 103 150L P 14 5 PCS 1 611 318 614 SABER SAW BLADES NO 104 228L P 14 5 PCS 1 612 318 617 SABER SAW BLADES NO 107 150L P 24 5 PCS 1 613 318 618 SABER SAW BLADES NO 108 228L P 24 5 PCS 1 614 324 818 SAB...

Страница 40: ......

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