MakitaメーカーHM0870Cの使用説明書/サービス説明書
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Models HM0871C and HM0870C are 5kg-class demolition hammers adapted for SDS-MAX bits, and dev eloped from HM0860C, featuring: Same high work ef ficienc y as HM0860C Higher durability achie ved by usin.
P 2 / 1 7 R epair [1] NECESSAR Y REP AIRING TOOLS [2] LUBRICA TIONS Fig. 1 Code No. 1R003 Retaining ring S pliers ST -2N 1R212 T ip for Retaining ring pliers 1R005 Retaining ring R pliers R T -2N 1R089 Bearing extractor 1R023 When it is diff icult to remov e Armature from Crank housing complete.
DISASSEMBLING (1) Remov e T ool holder cap as illustrated in Fig. 2 . Remov e Handle section by loosening four 5x25 T apping screws, and then disconnect Lead unit from Controller . Stand the machine upright. While pressing down Chuck co ver , remov e T ool holder cap.
P 4 / 1 7 R epair DISASSEMBLING (1) Disassemble Chuck section. ( Figs. 2 , 3 and 4 ) (2) Removing Retaining ring R-42, disassemble T ool holder section and take out Impact bolt. ( Fig . 5 ) (3) Remove Fluoride ring 28 and O ring 23 from Impact bolt when Fluoride ring 28 is worn out as illustrated in Fig.
(1) First, disassemble Chuck section as illustrated in Fig. 2 , 3 and 4 . (2) Remov e Housing cover as illustrated in Fig . 9 . Fig. 9 Fig. 10 [3] DISASSEMBL Y/ASSEMBL Y [3]-2 T ool holder section (cont.) Housing cov er Remov e Housing cover by unscre wing M5x25 Hex sock et Head bolt.
P 6 / 1 7 R epair Fig. 11 Fig. 12 Fig. 13 Fig. 14 DISASSEMBLING ASSEMBLING [3] DISASSEMBL Y/ASSEMBL Y [3]-3 Active dynamic vibration absorber (exclusi vely f or HM0871C) (cont.) (4) The remo ved Activ e dynamic vibration absorber can be disassembled as illustrated in Fig.
P 7 / 1 7 R epair Fig. 15 Fig. 16 DISASSEMBLING [3] DISASSEMBL Y/ASSEMBL Y [3]-4 Piston, Striker , Cylinder Remov e Barrel from Crank housing M6x25 Hex sock et head bolt (4pcs.) (1) Disassemble Chuck section as illustrated in Figs 2 , 3 and 4 . (2) Remov e Housing cover as illustrated in Fig .
P 8 / 1 7 Fig. 17 Fig. 18 DISASSEMBLING [3] DISASSEMBL Y/ASSEMBL Y [3]-4 Piston, Striker , Cylinder (cont.) Remov e Cylinder section by tapping Barrel using plastic hammer . Pay attention to the tapped position. Ring 20, Rubber ring 20, Flat washer 23, Guide ring, Slide sleev e are remov ed from Cylinder section.
1. Keeping Crank shaft in the condition Crank pin is at the closest position to Barrel side, hold Armature by inserting a bar into Armature fan. P 9 / 1 7 Fig.
Crank shaft can be remov ed as illustrated below . Remov e Retaining ring R-40 with 1R005. Loosening M8x40 Hex socket head bolt halfway , insert Crank shaft into the remaining Ball bearing 6203LLU by tapping the M8x40 Hex socket head bolt. P 1 0 / 1 7 Fig.
P 1 1 / 1 7 Assemble Cylinder guide to Cylinder 32 so that O ring 46 side of Cylinder guide faces Crank housing side. (1) Cylinder section can be assembled as illustrated in Fig.
P 1 2 / 1 7 DISASSEMBLING DISASSEMBLING [3] DISASSEMBL Y/ASSEMBL Y [3]-7 Controller Controller can be remov ed as illustrated in Fig. 29 . Fig. 29 Fig. 30 Disconnect Connector From Controller . Disassemble Handle section by unscrewing four 5x25 T apping screws.
P 1 3 / 1 7 R epair DISASSEMBLING [3] DISASSEMBL Y/ASSEMBL Y [3]-8 Armature (cont.) Fig. 32 Fig. 33 Fig. 32A (6) Disassemble Armature from Crank housing as illustrated in Fig. 32 . If it is dif ficult to remov e as illustrated in Fig. 32 , Crank shaft has to be remo ved in the follo wing process.
P 1 4 / 1 7 Fig. 34 [3]-9 Handle section (1) Disassemble Handle section as per the left illustration in Fig. 29 . (2) Remov e Handle cover by unscre wing 4x18 T apping scre w to replace the electrical parts in Handle. See Fig. 34 . Power supply cord Remov e 4x18 T apping screw and Handle co ver .
P 1 5 / 1 7 R epair [3] DISASSEMBL Y/ASSEMBL Y [3]-10. F astening torque [4] MAINTENANCE PR OGRAM Replacing the following parts is recommended when Carbon brush is replaced. Wipe off the old grease in the machine, and then apply the fresh grease in accordance with [2] LUBRICATIONS .
C ircuit diagram W iring diagram P 1 6/ 1 7 Blue Lead wire is used for some countries. Brown Lead wire is used for some countries. T erminal block Power supply cord Polyethylene tube White Color index of lead wires' sheath Black Fig. D-2 Fig. D-1 HM0870C without No Load Speed Suppression Note in wiring 6 3 1 9 2 9 - 5 LO T No.
W iring diagram P 1 7 / 1 7 Fig. D-3 Handle Lead Unit Fig. D-4 Polyethylene T ube Ø8-30 Connector for connecting to Switch for connecting to T erminal block Pass the Lead wires of Lead unit through Polyethylene tube illustrated belo w .
デバイスMakita HM0870Cの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Makita HM0870Cをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはMakita HM0870Cの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Makita HM0870Cの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Makita HM0870Cで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Makita HM0870Cを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はMakita HM0870Cの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Makita HM0870Cに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちMakita HM0870Cデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
