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8-6. Insulation Tests

On completion of disassembly and repair, carefully measure the insulation resistance and conduct a dielectric

strength test.

Insulation resistance:   7 M 

 or more with 500 V DC megohm tester

Dielectric strength test: AC 4,000 V/1 minute with no abnormalities .................... 220 V --- 240 V products

AC 3,500 V/1 minute with no abnormalities .................... 110 V --- 127 V products

8-7. No-load Current Value

After no-load running for 30 minutes, the no-load current value should be as follows.

Voltage (V)

Current (A) max.

110

2.6

220

1.2

240

1.2

230

1.2

Содержание PDA-100M

Страница 1: ...TECHNICAL DATA AND SERVICE MANUAL DISC GRINDER PDA 100M SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E270 Sept 2005 MODEL PDA 100M P Hitachi Power Tools ...

Страница 2: ...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 Symbols Utilized Competitors Company Name Model Name BOSCH GWS6 100 B MAKITA 9526B C ...

Страница 3: ... Coil Temperature Rise 7 7 PRECAUTIONS IN SALES PROMOTION 8 7 1 Handling Instructions 8 7 2 Caution Plate 8 7 3 Precautions on Usage 8 8 PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY 9 8 1 Disassembly 9 8 2 Reassembly 10 8 3 Lubrication Points and Types of Lubricant 13 8 4 Tightening Torque 13 8 5 Wiring Diagram 13 8 6 Insulation Tests 14 8 7 No load Current Value 14 9 STANDARD REPAIR TIME UNIT SCHEDU...

Страница 4: ... as follows The motor is so designed that commutation sparks are minimized during operation in order to increase the service life of the brush commutator and the motor The wear resistance of the coil is increased by attaching the protect tape to the coil end at the fan side of the armature The iron bearing bushing is adopted as the bearing of the resin housing in order to increase durability of th...

Страница 5: ...Needle bearing for extended durability High power input 715 W PDA 100D 620 W B 670 W C 710 W Well balanced and ergonomic design for easy operation Hitachi original dust proof construction for long service life against abrasion from dust Application of adhesive to the commutator hook Extended armature wedge Protect tape Vent is resistant to sucking gravel ...

Страница 6: ...rvice life of the armature coil is 4 times longer than the conventional models as a result of the gravel suction test gravel is forcedly sucked in through the vents of the tail cover The wedges at both ends of the armature coil are extended by 3 to 4 5 mm to protect the portions where the peripheral speed is the fastest and apt to be disconnected by dust or gravel The protect tape covers the coil ...

Страница 7: ...ng inside Model PDA 100M Dust or gravel is hard to be sucked in Model PDA 100D High power input The motor of the Model PDA 100M is the same size as that of the durable Model PDA 100D In addition use of thick copper wires increases the motor input owing to reduction of loss ...

Страница 8: ...orrugated cardboard box Rotation speed no load Type of motor Type of switch Enclosure Net 1 Gross Packaging Standard accessories 2 Depressed center wheel Outer dia 100 mm 4 1 Wrench 1 Voltage current and power input 12 000 min AC single phase commutator motor Snap switch Housing Tail cover Gear cover Packing grand Voltage V 110 220 230 240 Current A 6 8 3 4 3 3 3 2 Power input W 715 1 Net weight e...

Страница 9: ...100 12 000 715 430 870 260 76 63 200 1 5 1 6 Snap 6 COMPARISONS WITH SIMILAR PRODUCTS 6 1 Specification Comparisons P Perimeter Weight excludes cord depressed center wheel wheel nut wheel washer and wheel guard 100 12 000 620 300 800 254 67 60 200 1 7 2 0 Snap B PDA 100M PDA 100D 100 11 000 710 370 860 260 67 68 204 1 4 1 5 Snap C 100 11 000 670 360 760 265 76 73 191 1 4 1 4 Snap ...

Страница 10: ...ng jobs This shows that a powerful motor is less likely to burn out because it has both a minimum drop of rotation speed even at a greater torque and a lower stator coil temperature rise at the same torque Fig 1 Comparisons in torque vs rotation speed and stator coil temperature rise Figure 1 indicates the following The motor speed of the Model PDA 100M is higher than that of B C and Model PDA 100...

Страница 11: ...e of electric power tools and specific precautions and suggestions for the use of the disc grinders are listed in the Handling Instructions to enhance the safe efficient use of the tool by the customer Salespersons must be thoroughly familiar with the contents of the Handling Instructions to be able to offer appropriate guidance to the customer during sales promotion 7 2 Caution Plate The followin...

Страница 12: ... press to remove the Dust Seal 11 together with the Ball Bearing 608VVC2PS2L 12 Replace the Dust Seal 11 with new one because it is damaged by the removal of the Ball Bearing 608VVC2PS2L 12 3 Disassembly of stator A 1 Remove the Armature 7 and loosen the Tapping Screw W Flange D4 x 25 Black 47 to remove Tail Cover B 46 2 Loosen the two Machine Screws W Washer M3 5 x 6 48 that secure the internal w...

Страница 13: ...r diameter of the Felt Packing 19 with machine oil Otherwise its dust sealing function will fail to work properly resulting in earlier damage of the Ball Bearing 6201VVCMPS2L 18 4 When replacing the Armature 7 and the Ball Bearing 608VVC2PS2L 12 on the commutator side press inward on the Dust Seal 11 while taking care of its direction until the end face of the Dust Seal 11 contacts against the end...

Страница 14: ...f the rib for holding the cord of Tail Cover B 46 with nippers as shown in Fig 6 5 Mount the Cord 54 and the Cord Armor D8 8 51 to Tail Cover A 35 and secure them with the Cord Clip 52 and two Tapping Screws W Flange D4 x 16 53 as shown in Fig 7 6 Mount each internal wire reversing the removal procedure Then mount Tail Cover B 46 to Tail Cover A 35 and secure them with the Tapping Screw W Flange D...

Страница 15: ...witch 1P Screw Type 49 Tail Cover A 35 Internal wire from Stator A 10 Internal wire from Noise Suppressor 45 Fig 9 Internal wire coming from the Noise Suppressor 45 Insert the terminal securely then push and fold the terminal toward the outside of the housing as much as possible 9 When replacing the Gear Cover Ass y 3 lubricate the needle bearing part with mixed oil Mixed oil A mixture of Hitachi ...

Страница 16: ... 1 weight ratio 8 4 Tightening Torque Tapping Screws D4 9 36 37 47 53 2 0 0 5 N m 20 5 kgf cm 1 5 0 4 fb lbs Seal Lock Screws W Sp Washer M4 16 21 1 8 0 4 N m 18 4 kgf cm 1 3 0 3 fb lbs Tapping Screw D5 x 25 Black 1 2 9 0 5 N m 30 5 kgf cm 2 2 0 4 fb lbs Machine Screw W Sp Washer M5x16 Black 25 1 6 0 4 N m 16 4 kgf cm 1 2 0 3 fb lbs Special Nut M7 4 6 4 1 0 N m 65 10 kgf cm 4 7 0 7 fb lbs Brush Ca...

Страница 17: ...stance 7 M Ω or more with 500 V DC megohm tester Dielectric strength test AC 4 000 V 1 minute with no abnormalities 220 V 240 V products AC 3 500 V 1 minute with no abnormalities 110 V 127 V products 8 7 No load Current Value After no load running for 30 minutes the no load current value should be as follows Voltage V Current A max 110 2 6 220 1 2 240 1 2 230 1 2 ...

Страница 18: ...over Ass y Pushing Button Lock Pin 60 min 50 Packing Gland Ball Bearing 6201VV Spindle Gear and Pinion Set Switch Tail Cover A Tail Cover B Cord Cord Armor Wheel Guard Ass y Armature Ball Bearing 628VV Bearing Holder Dust Seal Ball Bearing 608VV General Assembly PDA 100M Housing Ass y Stator ...

Страница 19: ...T NO E270 DISC GRINDER Model PDA 100M 2005 9 5 E1 Hitachi Power Tools 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 19 20 21 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 10 501 502 18 22 ...

Страница 20: ...RING 6201VVCMPS2L 1 19 301 946 FELT PACKING 1 20 316 489 PACKING GLAND 1 21 307 127 SEAL LOCK SCREW W SP WASHER M4X12 4 22 302 047 WOODRUFF KEY 1 23 316 485 SPINDLE 1 24 301 945 FRINGER 1 25 308 386 MACHINE SCREW W SP WASHER M5X16 BLACK 2 26 301 949 SET PLATE 1 27 301 948 WHEEL GUARD ASS Y 1 INCLUD 25 26 28 320 497 WHEEL WASHER 1 29 316 820 D C WHEELS 100MMX4T A36Q 25 PCS 1 30 321 795 WHEEL NUT C ...

Страница 21: ...305 499 MACHINE SCREW W WASHER M3 5X6 2 49 955 509 SWITCH 1P SCREW TYPE 1 50 980 063 TERMINAL 1 FOR CORD 51 953 327 CORD ARMOR D8 8 1 52 937 631 CORD CLIP 1 53 984 750 TAPPING SCREW W FLANGE D4X16 2 FOR SYR 54 500 231Z CORD 1 54 500 409Z CORD 1 FOR INA IND 54 500 447Z CORD 1 FOR SYR 54 500 468Z CORD 1 FOR THA 54 500 470Z CORD 1 FOR TPE ...

Страница 22: ...CS 100MM C P24 10 PCS 1 606 314 054 SANDING DISCS 100MM C P30 10 PCS 1 607 314 057 SANDING DISCS 100MM C P50 10 PCS 1 608 314 059 SANDING DISCS 100MM C P80 10 PCS 1 609 314 061 SANDING DISCS 100MM C P120 10 PCS 1 610 314 051 SANDING DISCS 100MM C P16 10 PCS 1 611 314 052 SANDING DISCS 100MM C P20 10 PCS 1 612 314 055 SANDING DISCS 100MM C P36 10 PCS 1 613 314 056 SANDING DISCS 100MM C P40 10 PCS 1...

Страница 23: ......

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