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●エアホース取付け具は確実に取付けてください。

取付け不備によりエアホースがはずれた場合、エアの噴
射によりエアホースが飛び回り、非常に危険ですので、
エアホース取付け具はエアホースおよびエアツールに確
実に取付けてください。

●エアホースの接続時はゴミ等の混入に注意してください。

エアホースを本機に接続する際は、必ずゴミやドレンが
なくなるまでエアブローを行ってください。またエア
ホース接続部のゴミ等は必ず取除いてから接続してくだ
さい。

●作業対象物をしっかりと固定してください。

作業対象物の固定が不十分な場合、作業対象物が飛んで
けがをする恐れがありますので、確実に固定して作業を
行ってください。

●可動部に手や布きれ等を近づけないでください。

使用中は非常に危険ですので、可動部に手や布きれ等を
絶対に近づけないでください。

●電気に対し接触させないでください。

エアツールは電気との接触に対し絶縁されていませんの
で、電気に対し接触させないように注意して使用してく
ださい。

●不意な始動を避けてください。

エアホースを接続する場合は、始動スイッチが停止位置
になっているかを確認してください。またエアツールを
持ち運びする場合は、始動スイッチに手をかけないでく
ださい。

●排気の方向には十分に注意してください。

エアツール作動時にはオイルミストが発生いたします。
またコンプレッサーや配管内の異物等も排出される場合
がございますので、排気が直接目や耳にあたらないよう
に、排気方向に注意して使用してください。

Summary of Contents for G400H-S

Page 1: ...G400H S G400H G400HL S 1 8 18 21 24 26 22 23 36 38 40 41 42 43 44 45...

Page 2: ...tall the dead handle Specification of silencer INSTRUCTION MANUAL FOR DISC GRINDER Warnings and cautions for safe use of pneumatic tools CONTENTS Warnings and cautions for use of wire brush G400H S G4...

Page 3: ...1...

Page 4: ...2 1 100...

Page 5: ...3 5...

Page 6: ...4 85dB 85dB...

Page 7: ...5...

Page 8: ...6...

Page 9: ...7...

Page 10: ...8 1 2 3 TKa 46 32 ISO VG32...

Page 11: ...s or your YOKOTA representative to obtain the Manual or the warning label and then properly retain the Manual or replace the warning label In cases where you transfer or rent this product be sure to a...

Page 12: ...ly vary particularly in case of high velocity airflow This phenomenon is commonly referred to as mid flow loss or piping loss which results from loss or leakage to outside due to friction between airf...

Page 13: ...lfunctions of the pneumatic tool or accidents supply clean and dry com pressed air to it For that purpose it is recommended to install an air drier air filter etc Use proper air hose Use an oil resist...

Page 14: ......

Page 15: ...he pneumatic tool with great care Do not throw or drop the pneumatic tool to give it shocks Rough handling of the pneumatic tool could result in accidents or malfunctions of it Handle the air hose wit...

Page 16: ...nce the pneumatic tool is in imminent danger while in use NEVER bring your hand or a cloth to the moving part of the pneumatic tool Do not bring the pneumatic tool into contact with electricity Since...

Page 17: ...pneumatic tool with parts or screws dismounted from it Doing so could result in accidents Immediately stop using the pneumatic tool if there is any abnormality on the tool If there is any abnormality...

Page 18: ...motor part through the air inlet two or three times a day For that purpose it is recommended to install a lubricator with automatic drop function Above remommended oil can be handled by us Be sure to...

Page 19: ...ice factory For repair of the pneumatic tool ask us or our authorized or designated service factory through your YOKOTA dealer or distributor Note that we are not responsible for any accidents or defe...

Page 20: ...18 50mm 117 118 119 120 0 6 M P a 6kgf cm2 0 6MPa 6kgf cm 2...

Page 21: ...38 3 370 2 818 159 160 95 493 73 455 59 682 50 260 43 427 38 197 29 842 25 130 21 221 19 099 16 472 14 691 12 732 9 549 7 639 6 366 5 305 4 658 4 153 3 745 3 131 185 774 111 464 85 742 69 665 58 665 5...

Page 22: ...20...

Page 23: ...21 85dB A 85dB A...

Page 24: ...22 1...

Page 25: ...23 15 30 10m 15 30...

Page 26: ...24...

Page 27: ...25 85dB 85dB...

Page 28: ...26...

Page 29: ...minutes trial run whenever grinding end attachment is exchanged Confirm that the specified size of grindstone for the speci fied peripheral speed to meet the specification of the grinder is installed...

Page 30: ...879 106 106 85 662 48 970 39 788 33 506 28 980 25 465 19 895 16 753 14 147 12 732 10 981 9 794 8 488 6 366 5 093 4 244 3 537 3 105 2 769 2 497 2 087 127 328 76 394 58 764 47 746 40 208 34 742 30 558 2...

Page 31: ...ck the rotation number before use and forbid to use it if any abnormality is recognized The checking must be done when the grinding end attachmen rt is off the grinder Be sure to install the wheel cov...

Page 32: ...tion Operator s protection measure including the installation of dust suction equipment etc is recommended when too much dust is generated by grinding work depending on the materials to grind The work...

Page 33: ...if there is no abnormality of the wire brush after removing the foreign particles attached on the surface of wire brush For the use of special brush please ask us or our autho rized designated service...

Page 34: ...ush resistance Always keep in mind the brush resistance Use the proper wire brush against the brushing object Selection of the proper wire brush should be referred to the catalogues of brush makers Si...

Page 35: ......

Page 36: ...85dB A at the stand position of the operator It is also recommendable to put ear plugs even for the level less than 85dB A Avoid the handling by which the impact is given and over loading operation by...

Page 37: ...friction Be careful not to be burned Caution for installation and replacement of grinding attachment Stop the supply of air and remove the air hose from the grinder without fail and use the tools att...

Page 38: ...ion 6 5m Free Speed Approx LpA Sound Level Pressure LpA Weight about Overall Length about Angle Height about Vibration LWA Sound Level Power LWA 700 min A N R External View 1 Select the size of the in...

Page 39: ...t about Overall Length about Angle Height about Vibration LWA Sound Level Power LWA 770 min A N R Load Air Consumption Approx 0 6MPa Specification at air pressure of 0 6MPa 1 Select the size of the in...

Page 40: ...grinding wheel 0 6MPa 79 2dB A 0 6MPa Specification at air pressure of 0 6MPa 1 3Kg 221mm 59mm Specification 6 5m 1 1 1 4 1 H5 1 15 15 88 Outer Flange 1 piece Inside dia of the grinding wheel 15mm or...

Page 41: ...39...

Page 42: ...and set outer flange and flange stop screw Tighten the flange stop screw firmly by the hexagon wrench H32 In case that the spindle lock is broken hold the mainshaft engaging the inner flange with the...

Page 43: ...at set outer flange and flange stop screw Tighten the flange stop screw firmly by the hexagon wrench H32 In case that the spindle lock is broken hold the mainshaft engaging the inner flange with the s...

Page 44: ...row OFF ON gradually OFF ON indication is engraved in the rear end of the motor case Start Push down the throttle lever B to the arrow mark and at the same time press the throttle lever A to the arrow...

Page 45: ...n Exhaust direction of silencer for the silenced model Remove the blind cap Install the dead handle to the motor case firmly by the spanner and so on Turn the silencer cover to the arrow marked direct...

Page 46: ...44...

Page 47: ...45 0 6MPa Yes No...

Page 48: ...sure drop caused by hose or coupler Too small inside diameter of air hose Reduced area of the cross section of air inlet due to contamination with foreign matter Insufficient capacity of compressor Fr...

Page 49: ...e the air hose Remove foreign matters Replace with a compressor having adequate capacity Eliminate freezing Countermeasures Immediately stop using the tool Ask your YOKOTA dealer for repair If there i...

Page 50: ...48...

Page 51: ...49...

Page 52: ...aka 550 0023 Japan TEL 81 6 6581 1721 FAX 81 6 6581 1725 Hiroshima Office 4 2 8 Nishikaniya Minami ku Hiroshima City Hiroshima 732 0804 Japan TEL 81 82 263 1473 FAX 81 82 262 3894 Kokura Office 2 12 3...

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