GK23A. User's Manual

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Anis Johns
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Checking wear at part to transmit percussion energy Use the checking template to check the wear.

Part to transmit percussion energy Protrusion Wear check template Fitting the template Set the corner of the template

production lifetime as shown in Fig.-25. 10mm or less Pilot bit reaching the end of life Fig.

-24 Model of template Use a template with a proper model No. for each type as shown in Table-1. Template model No. Pic.

13 Checking wear at part to transmit percussion energy Use the checking template to check the wear. 15mm of wear width indicates it has reached the end of it's lifetime. Stop using the product this if so. Part to transmit percussion energy Protrusion Wear check template Fitting the template Set the corner of the template to the reference edge of the protrusion as shown in Fig.-21. Protrusion Wear check template Brand new pilot Reference edge Fig.-21 Criterion for end of lifetime The wear width reaching the mark of wear limit (a concave) indicates end of the production lifetime as shown in Fig mm or less Pilot bit reaching the end of life Fig mm Initial to medium-term wear Fig.-23 Wear to be noted Fig.-24 Model of template Use a template with a proper model No. for each type as shown in Table-1. Template model No. Pic mm Wear limit End of lifetime) Fig.-25 Model No. T-01 T-02 T-03 T-04 T-05 T-06 T-07 T-08 T-09 T-10 T-11 T-12 T-13 Table-1 Applicable type of pilot bit 050A, 072A, 097A, 105A, 110A 116A 118A, 127A, 127B, 232A 126A, 128A, 170A 132A, 151A 140A 143A, 270A, 273A, 281A 167A, 192A 165A, 216A, 219A, 228A, 270A 215A, 265A, 300A 396A 240A 157A, 200A, 223A, 354A

16 MMC HARTMETALL GMBH (Germany) MITSUBISHI MATERIALS TRADING CORPORATION GIMPO BRANCH (South Korea) MITSUBISHI MATERIALS CORPORATION OVERSEAS OPERATIONS CENTER (Japan) MITSUBISHI MATERIALS U.S.A. CORPORATION (U.S.A.) MMC METAL DE MEXICO, S.A. DE C.V. (Mexico) MITSUBISHI MATERIALS (Shanghai) CORPORATION (China) MITSUBISHI MATERIALS TRADING CORPORATION SINGAPORE BRANCH (Singapore) MITSUBISHI MATERIALS TRADING CORPORATION PERTH BRANCH (Australia) MMC METAL DO BRASIL LTDA. (Brazil) JAPAN / ROCK TOOLS MITSUBISHI MATERIALS CORPORATION OVERSEAS OPERATIONS CENTER KFC bldg., 8F, 1-6-1, Yokoami, Sumida-ku, Tokyo , Japan TEL FAX rocktool@mmc.co.jp Subsidiaries of MITSUBISHI MATERIALS CORPORATION U.S.A. MITSUBISHI MATERIALS U.S.A. CORPORATION Rock Tools Office 2690 Salisbury Highway, Statesville, NC 28677, U.S.A TEL FAX rock@mmus.com Australia MITSUBISHI MATERIALS TRADING CORPORATION Unit1, 58 Catalano Circuit Canning Vale, WA 6155 Australia TEL FAX admin@mmtau.com Germany MMC HARTMETALL GMBH Comeniusstr. 2,40670 Meerbusch, Germany TEL FAX eric-mmc@wanadoo.fr South Korea MITSUBISHI MATERIALS TRADING CORPORATION 761, Jiwol-Ri, Pattan-Myeon, Hwaseong-Si, Gyeonggi-Do, Korea TEL FAX Brazil MMC METAL DO BRASIL LTDA. Rua Cincinato Braga, andar.bela Vista- CEP São Paulo-SP., BRASIL TEL FAX mmbr@mmbr.com.br Singapore MITSUBISHI MATERIALS TRADING CORPORATION 10 Anson Road, #32-09 International Plaza, Singapore TEL FAX Mexico MMC METAL DE MEXICO S.A. DE C.V. Av. La Canada No.16 Parque Industrial Bernardo Quintana El marques, Queretaro. TEL FAX gonzalez@mmcmex.com China MITSUBISHI MATERIALS (Shanghai) CORPORATION Room 3911, UNITED PLAZA 1468, Nanjing Road West, Shanghai, China TEL FAX ( - )

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L N R 1 2 3 4 5 6 { 3/8 in. (10 mm) 1 2 A B C 1 2 A B C 1 2 3 4 1 2 A B C 1 2 A B C 1 2 3 4 1 2 3 4 1 2 A B C 1 2 3 4 1 2 3 4 1 2 3 4 5 6 L N 1 2 3 4 5 6 L N 1 2 3 4 5 6 L N 1 2 3 4 5 6 L N 1 2 3 4 1 2 3 4