Hitachi Koki DH 50MRY Handling Instructions Manual
  1. Manuals
  2. Brands
  3. Hitachi Koki Manuals
  4. Rotary Hammer
  5. DH 50MRY
  6. Handling instructions manual

Hitachi Koki DH 50MRY Handling Instructions Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Rotary Hammer
Model DH 50MRY • 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.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the DH 50MRY and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Hitachi Koki DH 50MRY

Summary of Contents for Hitachi Koki DH 50MRY

  • Page 1: Handling Instructions

    Rotary Hammer Model DH 50MRY • 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.

  • Page 2: General Power Tool Safety Warnings

    Carrying power tools with your finger on the switch GENERAL POWER TOOL SAFETY WARNINGS or energising power tools that have the switch on invites accidents. WARNING d) Remove any adjusting key or wrench before turning Read all safety warnings and all instructions. the power tool on.

  • Page 3: Rotary Hammer Safety Warnings

    Do not touch the bit during or immediately after ROTARY HAMMER SAFETY WARNINGS operation. The bit becomes very hot during operation and could cause serious burns. 1. Wear ear protectors. Before starting to break, chip or drill into a wall, Exposure to noise can cause hearing loss.

  • Page 4: Prior To Operation

    (1) Center pin 10. Surface Roughing (Hammering) Applied to core bits from 38 mm to 150 mm Applied to core bits 32 mm and 35 mm NOTE: Do not use core bits 25 mm or 29 mm. (2) Core bit (2) Shank (1) Bushing Tool External dia.
  • Page 5 CAUTION: Grease 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. 6. RCD The use of a residual current device with a rated residual current of 30 mA or less at all times is Tool shank recommended.
  • Page 6 3. When drilling at “rotation + hammering”: NOTE: CAUTION: Turn the selector lever (do not push the button) to If you switch the selector lever during motor rotation, check if it is completely locked and make sure that the tool can start to rotate abruptly, resulting in it does not turn.

  • Page 7: Drilling And Driving-In Operations For Anchors

    6. Warming up (Fig. 11) The grease lubrication system in this unit may require warming up in cold regions. Position the end of the bit so makes contact with Cotter Taper shank adapter the concrete, turn on the switch and perform the warming up operation.
  • Page 8 HOW TO HANDLE A CORE BIT When a core bit is used, large diameter holes and blind holes can be drilled. In this case, use optional accessories for core bits (such as a center pin and core Guide plate Center pin bit shank) for more efficient operation.

  • Page 9: How To Replace Grease

    Remove the core bit shank from the rotary hammer, MAINTENANCE AND INSPECTION hold the core bit with one hand, and strongly strike the head of the SDS max shank portion of the core 1. Inspecting the tool bit shank with a manual hammer two or three Since use of a dull tool will degrade efficiency and times, whereby the round head screw is loosened cause possible motor malfunction, sharpen or...
  • Page 10 DH50MRY...
  • Page 11 DH50MRY ITEM ITEM PART NAME PART NAME Q’TY Q’TY FRONT CAP TAPPING SCREW (W/FLANGE) D4×16 GRIP CORD CLIP STOPPER RING CORD NEEDLE HOLDER CYLINDER O-RING (I.D 69.3) RETAINER SPRING RETAINING RING FOR D12 SHAFT SPRING HOLDER CRANK SHAFT SEAL LOCK HEX SOCKET HD. BOLT M8×25 FEATHER KEY 3×3×25 FRONT COVER RETAINING RING FOR D47 HOLE...
  • Page 12 DH50MR...
  • Page 13 DH50MR ITEM ITEM PART NAME PART NAME Q’TY Q’TY FRONT CAP TAPPING SCREW (W/FLANGE) D4×16 GRIP CORD CLIP STOPPER RING CORD NEEDLE HOLDER CYLINDER O-RING (I.D 69.3) RETAINER SPRING RETAINING RING FOR D12 SHAFT SPRING HOLDER CRANK SHAFT SEAL LOCK HEX SOCKET HD. BOLT M8×25 FEATHER KEY 3×3×25 FRONT COVER RETAINING RING FOR D47 HOLE...
  • Page 16 Hitachi Koki Co., Ltd. Shinagawa Intercity Tower A, 15-1, Konan 2-chome, Minato-ku, Tokyo, Japan Code No. C99166612 N Printed in Japan...

This manual is also suitable for:

Dh 50mr

Table of Contents