Hitachi H 41SD User Manual Download

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PRODUCT NAME

Hitachi Demolition Hammer

Model

H 41SD

LIST No.
H 41SD: F413
Nov. 2012

REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 1

1. Precautions on disassembly and reassembly ----------------------------------------------------------- 1

STANDARD REPAIR TIME (UNIT) SCHEDULES -------------------------------------------------------------------- 8

CONTENTS

Page

International Sales Division

H

1
2
3
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Summary of Contents for H 41SD

Page 1: ...ME Hitachi Demolition Hammer Model H 41SD LIST No H 41SD F413 Nov 2012 REPAIR GUIDE 1 1 Precautions on disassembly and reassembly 1 STANDARD REPAIR TIME UNIT SCHEDULES 8 CONTENTS Page International Sales Division H ...

Page 2: ...removed from the Crank Case 44 Remove the Retaining Ring D45 3 and the Front Washer 4 fixing the Cylinder Case Cover 6 then the Cylinder Case Cover 6 can be removed from the Cylinder Case Ass y 5 Remove the Hex Socket Hd Bolt W Flange M6 x 25 8 fixing the Cylinder Case Ass y 5 then the Cylinder Case Ass y 5 Striker 20 Second Hammer 12 Damper 14 Damper Washer 13 Hammer Holder 2 and Retainer Damper ...

Page 3: ...g for D40 Hole 32 fixing the Ball Bearing 6203DDCMPS2L 33 At this time turn the Crank Shaft 31 to expose the hole of the Retaining Ring for D40 Hole 32 prior to removal Use a hand press to press the end face of the Crank Shaft 31 and then remove the First Gear 45 and the Crank Shaft 31 from the Crank Case 44 as shown in Fig 2 on the next page Striker 20 Cylinder 19 Damper 14 Second Hammer 12 Cylin...

Page 4: ...ng remover to remove the retaining ring The ring slide grip spring and six steel balls can then be removed from the Cylinder Case Ass y 5 as shown in Fig 3 below Crank Shaft 31 Crank Case 44 Retaining Ring for D40 Hole 32 Crank Case 44 Crank Shaft 31 First Gear 45 Support Ring Spring Retaining ring O ring Fig 2 Fig 3 ...

Page 5: ...ear 45 with a suitable jig while holding the flat portion of the Crank Shaft 31 with a steel bar Before doing the press fitting work above make sure that the Feather Key 4 x 4 x 8 27 fits properly into the key groove of the First Gear 45 as shown in Fig 4 below b Second Hammer 12 Damper Washer 13 Damper 14 and Cylinder 19 Fit the Damper Washer 13 and the Damper 14 onto the Second Hammer 12 and ins...

Page 6: ...O ring S 10 87 Insert the Valve 37 into the Crank Case 44 Fix the Valve Cover 38 in place using the Seal Lock Hex Socket Hd Bolt M4 x 8 40 by matching it to the seating surface of the Crank Case 44 Confirm that ĭ2 4 hole of the Valve 37 can be seen from the ĭ2 hole of the Valve Cover 38 as shown in Fig 6 below Note that grease will leak if the Valve 37 is not properly inserted Fig 6 The Felt 39 mu...

Page 7: ...lloy No 777 1 Inner circumference of the Needle Bearing 25 Apply screw locking agent TB1401 to all hex socket head bolts M5 and M6 NOTE Be sure to apply screw locking agent Three Bond TB1401 to the threads during reassembly Otherwise any bolt loosened due to vibration may damage the tool body M6 Seal Lock Hex Socket Hd Bolt M6 x 35 43 and Seal Lock Hex Socket Hd Bolt M6 x 20 49 For mounting the ho...

Page 8: ... VAC minute with no abnormalities 220 to 240 V 110 V for U K products 2 500 VAC minute with no abnormalities 110 to 127 V Except for U K products After no load operation for 30 minutes the no load current values should be as follows Voltage V 110 220 230 240 Current A max 4 2 2 1 2 0 1 9 Switch Stator ass y Plug Armature ass y Connector or pillar terminal A Noise suppressor Switch Stator ass y Plu...

Page 9: ... Connecting Rod Needle Bearing Gear Cover Ass y Needle Bearing Armature Ball Bearing 6201DD Ball Bearing 608VV Crank Shaft Ball Bearing 6203DD Oil Seal First Gear Housing Ass y Stator Ass y Crank Case Work Flow Handle Cover Switch B Cord Cord Armor Tail Cover Crank Cover O ring Retainer Damper Hammer Holder Cylinder Case Ass y STANDARD REPAIR TIME UNIT SCHEDULES ...

Page 10: ...8 79 38 1 3 4 6 7 2 8 10 11 12 13 14 15 26 27 19 20 21 22 24 41 42 43 44 28 29 30 31 32 33 34 35 36 37 87 39 40 28 16 17 18 45 46 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 69 70 71 72 73 74 75 76 77 78 80 81 82 83 84 85 86 501 502 23 5 ...

Page 11: ...RING FOR D10 SHAFT 10 PCS 1 27 980 809 FEATHER KEY 4 X 4 X 8 1 28 994 192 HEX SOCKET HD BOLT W FLANGE M5 X 16 6 29 333 858 CRANK COVER 1 30 878 867 O RING JASO2060 1 31 333 846 CRANK SHAFT 1 32 948 391 RETAINING RING FOR D40 HOLE 1 33 620 3DD BALL BEARING 6203DDCMPS2L 1 34 996 363 O RING S 40 1 35 310 119 OIL SEAL 1 36 333 245 DISTANCE RING 1 37 995 396 VALVE 1 38 335 301 VALVE COVER 1 39 334 217 ...

Page 12: ... 20 BLACK 4 70 NAME PLATE 1 71 959 140 CONNECTOR 50091 10 PCS 1 FOR EUROPE AUS NZL SAF TPE KOR 72 959 141 CONNECTOR 50092 10 PCS 1 73 331 203 NOISE SUPPRESSOR 1 FOR EUROPE AUS NZL SAF TPE KOR 74 958 049 CORD ARMOR D8 2 1 74 940 778 CORD ARMOR D10 7 1 75 981 974 INTERNAL WIRE 1 FOR EUROPE AUS NZL SAF TPE KOR 76 333 861 HANDLE 1 77 306 143 SWITCH B 1P SCREW TYPE W LOCK 1 78 335 302 RUBBER SHEET 1 79...

Page 13: ...ER D18 X 176 1 604 318 085 SYRINGE BELLOWS TYPE 1 605 320 859 SYRINGE BLOW OUT BULB TYPE 1 606 981 840 GREASE A FOR HAMMER HAMMER DRILL 30 G 1 607 308 471 GREASE FOR HAMMER HAMMER DRILL 70 G 1 608 980 927 GREASE FOR HAMMER HAMMER DRILL 500 G 1 4 Printed in Japan 11 12 121116N ALTERNATIVE PARTS STANDARD ACCESSORIES OPTIONAL ACCESSORIES NO USED CODE NO ITEM NO NO USED CODE NO ITEM NO CODE NO ITEM NO...

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