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TECHNICAL DATA

AND

SERVICE MANUAL

IMPACT WRENCH

WR 22SA

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

LIST No. E707

Mar. 2005

MODEL

WR 22SA

Hitachi

Power Tools

Содержание WR 22SA

Страница 1: ...TECHNICAL DATA AND SERVICE MANUAL IMPACT WRENCH WR 22SA SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No E707 Mar 2005 W MODEL WR 22SA Hitachi Power Tools ...

Страница 2: ...ICAL DATA AND SERVICE MANUAL symbols are used in the place of company names and model names of our competitors The symbols utilized here are as follows Symbol Utilized Competitor Company Name Model Name C MAKITA 6906 B BOSCH GDS24 ...

Страница 3: ... Appropriate Tightening Torque for Bolts 8 6 4 Tightening Torque Characteristics when Using an Extension Cord 9 7 PRECAUTIONS IN SALES PROMOTION 10 7 1 Safety Instructions 10 7 2 Tightening Torque Inspection Prior to Operation 10 7 3 Tightening Torque Variation 11 7 4 Temperature Rise 12 8 OTHER PRECAUTIONS 12 9 REPAIR GUIDE 13 9 1 Disassembly 13 9 2 Reassembly 16 9 3 Insulation Tests 18 9 4 No lo...

Страница 4: ...er to plainly differentiate it from the competitors Please expand our market share with this Model WR 22SA 3 APPLICATIONS Tightening loosening of bolts nuts etc Tightening of screw washers anchor nuts Applicable Markets Wooden construction industry Tightening of bolts screw washers etc Construction industry Tightening loosening of bolts in steel structure works for construction of buildings etc Ma...

Страница 5: ...to the optimally balanced design Most compact and lightweight in the class More durable double insulated motor thanks to the highly strong rigid aluminum die cast body Large bumper protects the outer frame Convenient tumbler switch Grip end is shaped like a finger stopper for portability Patent pending Powerful motor ...

Страница 6: ...d aluminum die cast body The motor is contained in the highly rigid aluminum die cast body and the handle integrated plastic cylinder doubly for higher rigidity of the housing Thanks to this double insulation structure the durability of the motor is remarkably increased In addition the rear portion of the main body is covered with resin tail cover for higher durability The resin tail cover also pr...

Страница 7: ...tects the outer frame Prevention of damaging and staining workpieces The Model WR 22SA minimizes damaging workpieces even if it contacts the workpiece The hammer case is not hot when touched during continuous operation The hammer case is covered with a large bumper Because the bumper is resistant to transmitting heat the bumper is not hot even if held by hand during operation 5 Grip end is shaped ...

Страница 8: ...a 850 W Europe U S A Korea Taiwan Australia and New Zealand 1140 W Other Asian countries Full load current 8 1 A 110 V 7 5 A 120 V 5 5 A 220 V 4 1 A 220 V Korea 3 8 A 220 V China 5 2 A 230 V 3 9 A 230 V Europe and New Zealand 5 0 A 240 V 3 7 A 240 V Australia Impact rate 2 000 min Main body 4 8 kg 10 6 lbs Excludes cord socket and side handle Packaged 7 3 kg 16 1 lbs Overall length x height 303 mm...

Страница 9: ...cable bolts Dihedral width H mm Shape Socket primary dimensions mm M 16 M 18 M 20 M 22 M 24 M 18 M 20 M 22 M 24 M 27 L ISO Ordinary ISO Small type Inch screw High tension Shape C Shape D 5 2 Optional Accessories 1 Dimensions of each hexagon socket and applicable bolts 2 Dimensions of each long hexagon socket and applicable bolts Shape B Shape C Shape D 60 60 85 85 85 100 100 22 mm 24 mm 26 mm 27 m...

Страница 10: ...10 6 lbs Single phase AC commutator motor Double insulation Mounted outside 2 5 8 2 ft Provided M 14 M 24 M 16 M 22 588 60 0 5 210 19 3 4 1 600 1 800 HITACHI WH 22 328 x 224 12 29 32 x 8 13 16 Tumbler switch with forward reverse changeover pushing button 230 18 000 19 850 3 9 55 43 1 11 16 5 0 11 0 lbs Single phase AC commutator motor Double insulation Mounted outside 2 5 8 2 ft Not provided M 16 ...

Страница 11: ...ening torque For further reference appropriate tightening torque is calculated with the following formula Study and use this formula for accurate selection of tightening torque T k d p T Tightening torque kgf cm d Nominal diameter for the bolt cm p Recommended axial tightening force to be applied to the bolt kg p rated axial stress kg mm2 x 0 8 x effective sectional area of the bolt mm2 k Torque c...

Страница 12: ...6 705 2 075 3 240 4 455 6 340 8 613 10 945 6 4 Tightening Torque Characteristics when Using an Extension Cord Figure 2 shows relationship between the tightening time and the tightening torque when using an extension cord While the data are useful for handy reference actual tightening torque will vary depending on tightening conditions Fig 2 When using a 60 m extension cord Bolt M22 x 70 F10T high ...

Страница 13: ...ertinent advice to the customer 7 1 2 Caution Plates 1 The following precautions are listed on the Caution Plate attached to the main body of each tool For China For U S A and Canada For Australia and New Zealand 7 2 Tightening Torque Inspection Prior to Operation The output tightening torque of the Model WR 22SA is higher than the rated tightening torque of certain bolts Accordingly if the tighte...

Страница 14: ... cross sectional area of the core of the extension cord 1 25 mm2 or larger if it is unavoidable to use a long extension cord on a building site In addition recommend the customer to use a step up transformer to step up the voltage by the amount of reduction previously 2 Effects of low ambient temperatures The tightening torque required may be reduced at low ambient temperatures or under the influe...

Страница 15: ...es to cool the motor if the outer frame of the main body becomes hot 8 OTHER PRECAUTIONS 1 Check for cracks or other damage on the socket Cracks or any other faults on the socket are very hazardous and decrease the tightening torque Advise the customer to ensure that there are no abnormalities on the socket before operation 2 Socket dimensions Without fail utilize an appropriate socket which match...

Страница 16: ... with a wooden hammer to remove the Hammer Case Ass y 3 Remove Packing B 22 from between the Hammer Case Ass y 3 and the Inner Cover 23 b Removal of the Anvil 6 Remove the Hammer Case Ass y 3 Then the Anvil 6 can be removed from the bearing portion of the Hammer Case Ass y 3 c Removal of the Ring Gear 20 and the Needle Roller 19 Tap the end surface of the Hammer Case Ass y 3 with a wooden hammer t...

Страница 17: ...portion of the Spindle 17 and the Hammer 8 with a flat blade screwdriver Then release the hand press and remove the Hammer 8 from the Spindle 17 to remove the Spring 11 Be careful not to lose the thirty eight Steel Balls D3 97 9 and the Hammer Washer 10 mounted between the Hammer 8 and the Spring 11 during disassembly Fig 5 8 10 11 12 17 9 Fig 4 Hammer click Steel ball guide Steel ball Spindle cam...

Страница 18: ... Cover 23 from the Housing Ass y 56 Be careful not to lose the Felt Packing 24 and the Packing Washer 25 when removing the Armature 27 from the Inner Cover 23 4 Removal of the Switch 36 Remove the Tapping Screw W Flange D4 x 35 Black 34 from the Handle Cover 35 and remove the Handle Cover 35 Remove the screw from the Switch 36 and remove the Switch Adapter 37 Then the Switch 36 can be removed Fig ...

Страница 19: ...sembly procedures in reverse However special attention should be given to the following items 1 Housing ass y Mounting the switch Pay attention to the relationship between the terminal numbers of the Switch 36 and the colors of the internal wires Fig 9 Wiring diagram Fig 8 ...

Страница 20: ...Push the Hammer 8 so that the Spindle 17 cam top is aligned with the steel ball guide at the Hammer 8 c Put the two Steel Balls D7 14 7 in the steel ball guide Check that these Steel Balls D7 14 7 are in the cam groove Then release the hand press 3 Mounting direction of the Packing Washer 25 Insert the Packing Washer 25 into the Inner Cover 23 in the proper direction together with the Felt Packing...

Страница 21: ...ocket Hd Bolt M5 x 10 47 3 9 1 5 N m 40 5 kgf cm Tapping Screw W Flange D4 34 48 2 0 0 5 N m 20 5 kgf cm Brush Cap 53 1 0 N m 10 kgf cm Machine screw M3 at the Switch 36 0 8 0 2 N m 8 2 kgf cm Hex Hd Tapping Screw D5 x 70 29 2 9 0 5 N m 30 5 kgf cm 9 3 Insulation Tests On completion of disassembly and repair measure the insulation resistance and conduct a dielectric strength test Be sure to perfor...

Страница 22: ...CHEDULES MODEL 10 20 30 40 50 60 min Fixed Variable Work Flow Switch Cord Handle Cover Switch Adapter Cord Armor General Assembly WR 22SA Tail Cover Housing Ass y Stator Spindle Idle Gear Set Gear Shaft x 2 Hammer Steel Ball D7 14 x 2 Steel Ball D3 97 x 38 Spring Spring Seat Hammer Case Ass y O ring Anvil Ring Gear ...

Страница 23: ...CT WRENCH Model WR 22SA 2005 3 30 E1 Hitachi Power Tools 1 2 3 4 5 6 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 45 44 46 47 48 49 50 51 52 53 54 55 56 57 501 502 503 504 505 506 ...

Страница 24: ...ACKING 1 25 971 012 PACKING WASHER 1 26 620 0DD BALL BEARING 6200DDCMPS2L 1 27 360 700U ARMATURE ASS Y 110V 120V 1 INCLUD 26 44 27 360 700E ARMATURE 220V 230V 1 27 360 700F ARMATURE 240V 1 28 323 998 FAN GUIDE 1 29 961 400 HEX HD TAPPING SCREW D5X70 2 30 324 017 INTERNAL WIRE WHITE 1 30 324 009 INTERNAL WIRE WHITE 1 FOR USA CAN VEN INA SYR KUW HKG SIN 31 324 018 INTERNAL WIRE BLACK 1 31 324 010 IN...

Страница 25: ...7Z CORD 1 CORD ARMOR D8 8 51 500 234Z CORD 1 CORD ARMOR D8 8 FOR INA KOR 51 500 450Z CORD 1 CORD ARMOR D8 8 FOR GBR 230V 51 500 461Z CORD 1 CORD ARMOR D8 8 FOR GBR 110V 51 500 245Z CORD 1 CORD ARMOR D10 1 FOR SYR 51 323 974 CORD 1 CORD ARMOR D10 1 FOR VEN TPE 51 500 240Z CORD 1 CORD ARMOR D8 8 FOR USA CAN 51 500 439Z CORD 1 CORD ARMOR D8 8 FOR AUS NZL 51 500 423Z CORD 1 CORD ARMOR D8 8 FOR KUW SIN...

Страница 26: ...609 874 529 HEX SOCKET ASS Y 26MMX55L 1 INCLUD 602 603 610 874 530 HEX SOCKET ASS Y 27MMX55L 1 INCLUD 602 603 611 874 532 HEX SOCKET ASS Y 30MMX55L 1 INCLUD 602 603 612 874 523 HEX SOCKET ASS Y 32MMX55L 1 INCLUD 602 603 613 874 533 HEX SOCKET ASS Y 35MMX55L 1 INCLUD 602 603 614 874 534 HEX SOCKET ASS Y 36MMX55L 1 INCLUD 602 603 615 955 028 HEX SOCKET ASS Y LONG 17MMX60L 1 INCLUD 602 603 616 955 02...

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