Instruction/ maintenance manual of the product DH 50MRY Hitachi
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Rotary Hammer Model DH 50MR Y • DH 50MR Handling instructions Note: Before using this Electric Power Tool, carefully read through these HANDLING INSTRUCTIONS to ensure efficient, safe operation. It is recommended that these INSTRUCTIONS be kept readily available as an important reference when using this power tool.
2 GENERAL SAFETY RULES WARNING! Read all instructions Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. The term “power tool” in all of the warnings listed below refers to your mains operated (corded) power tool or battery operated (cordless) power tool.
3 STANDARD ACCESSORIES (1) Case ............................................................................. 1 (2) Side Handle ................................................................ 1 (3) Stopper ............................................
4 (1) Center pin 䢇 Applied to core bits from 38 mm to 150 mm 䢇 Applied to core bits 32 mm and 35 mm NOTE: Do not use core bits 25 mm or 29 mm. (2) Core bit 䢇 External dia.
5 CAUTION: Do not adjust the dial during operation. Doing so can result in injury because the Rotary Hammer must be held by only one hand, disabling the steady control of the Rotary Hammer. HOW TO USE THE ROTARY HAMMER 1. How to drill holes (Fig. 4) (1) Pull the switch trigger after applying the drill bit tip to the drilling position.
6 (1) Switching to “rotation + hammering” (a) Push the button, release lock and turn the selector lever clockwise. (b) Align ▲ of the selector lever and of the lever holder as illustrated in Fig. 6 . (c) Release the button to lock the selector lever.
7 Fig. 11 CAUTION: When the warming up operation is performed, hold the side handle and the main body securely with both hands to maintain a secure grip and be careful not to twist your body by the jammed drill bit. DRILLING AND DRIVING-IN OPERATIONS FOR ANCHORS 1.
8 Fig. 15 (2) Mount the core bit shank on the main body in the same manner as in mounting the drill bit and the bull point. ( Fig. 16 ) Fig. 16 (3) Insert the center pin into the guide plate until it reaches the extremity. (4) Fit in the guide plate by aligning its concaved portion with the core bit tip.
9 Fig. 20 HOW TO REPLACE GREASE This machine is of full air-tight construction to protect against dust and to prevent lubricant leakage. Therefore, the machine can be used without lubrication for long periods. Replace the grease as described below. 1.
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11 DH50MRY ITEM NO. PA RT NAME Q’TY 1 FRONT CAP 1 2 GRIP 1 3 STOPPER RING 1 4 NEEDLE HOLDER 1 5 RET AINER SPRING 1 6 SPRING HOLDER 1 7 SEAL LOCK HEX SOCKET HD.
12 DH50MR 02Back_DH50MRY_ENG 07/8/8, 19:06 12.
13 DH50MR ITEM NO. PA RT NAME Q’TY 1 FRONT CAP 1 2 GRIP 1 3 STOPPER RING 1 4 NEEDLE HOLDER 1 5 RET AINER SPRING 1 6 SPRING HOLDER 1 7 SEAL LOCK HEX SOCKET HD.
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708 Code No. C99166611 N Printed in Japan Hitachi Koki Co., Ltd. 02Back_DH50MRY_ENG 07/8/8, 19:06 16.
An important point after buying a device Hitachi DH 50MRY (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hitachi DH 50MRY yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hitachi DH 50MRY - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hitachi DH 50MRY you will learn all the available features of the product, as well as information on its operation. The information that you get Hitachi DH 50MRY will certainly help you make a decision on the purchase.
If you already are a holder of Hitachi DH 50MRY, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hitachi DH 50MRY.
However, one of the most important roles played by the user manual is to help in solving problems with Hitachi DH 50MRY. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hitachi DH 50MRY along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
