Rotary Hammer Model DH 38MS 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.
GENERAL POWER TOOL SAFETY WARNINGS WARNING Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Save all warnings and instructions for future reference. The term “power tool” in the warnings refers to your mainsoperated (corded) power tool or battery-operated (cordless) power tool. 1) Work area safety a) Keep work area clean and well lit. Cluttered or dark areas invite accidents.
ROTARY HAMMER SAFETY WARNINGS 1. 2. 3. 4. Wear ear protectors Exposure to noise can cause hearing loss. Use auxiliary handles supplied with the tool. Loss of control can cause personal injury. Do not touch the bit during or immediately after operation. The bit becomes very hot during operation and could cause serious burns. Before starting to break, chip or drill into a wall, floor or ceiling, thoroughly confirm that such items as electric cables or conduits are not buried inside. 5. 6.
(1) Center pin 䢇 Applied to core bits from 38 mm to 105 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. 25, 29, 32, 35, 38, 45, 54, 64, 79, 94, 105 mm (with guide plate, not applicable to cores 25 mm or 29 mm) (3) Core bit shank 䢇 Applied to core bits above 38 mm 䢇 Applied to core bits below 35 mm 4. Drilling holes .... For drilling metal and wooden materials 10. Surface Roughing (Hammering) (1) Bushing Tool (2) Shank 11.
Grease or machine oil Tool shank Fig. 1 CAUTION: Although this machine is equipped with a safety clutch, if the drill bit becomes bound in concrete or other material, the resultant stoppage of the drill bit could cause the machine body to turn in reaction. Ensure that the main handle and side handle are gripped firmly during operation. 2. How to chisel or demolish (Fig. 4) By applying the drill bit tip to the chiseling or demolishing position, operate the rotary hammer by utilizing its empty weight.
4. When demolishing and chiseling at “hammering”: CAUTION: 䡬 If the selector lever is switched during motor rotation, the tool can start to rotate abruptly, resulting in unexpected accidents. Make sure to switch the selector lever when the motor is at a complete stop. 䡬 If the bull point or cold chisel is used at the position of ”rotation + hammering”, the tool can start to rotate, resulting in unexpected accidents. Make sure that they are used at the position of ”hammering”.
Indicating groove shows standard depth matching the outside diameter of the anchor for drilling. Taper shank adapter Drill bit (taper shank) Front cap Drill chuck Part of SDS max shank Chuck adapter Grip Fig. 12 Fig. 10 (2) Turn the power on and drill a base hole to the depth sounded by indicating groove on the drill bit. (3) After cleaning out dust with a syringe, attach the plug to the anchor tip and drive in the anchor with a manual hammer.
(3) When the hole depth reaches approximately 5 mm, the hole position can be determined. Then remove the center pin and guide plate from the core bit and continue the hole drilling job. CAUTION: When removing the center pin and guide plate, always disconnect the plug from the receptacle. 3.
2. Grease replenishment CAUTION: Before replenishing the grease, turn the power off and pull out the power plug. (1) Remove the crank cover and wipe off the grease inside. (Fig. 19) (2) Supply 60 g of Hitachi Electric Hammer Grease A (Standard accessory, contained in tube) to the crank case. (3) After replenishing the grease, install the crank cover securely. Crank cover In the operation and maintenance of power tools, the safety regulations and standards prescribed in each country must be observed.
02Back_DH38MS_Eng 10 11/25/08, 18:25
ITEM NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 PART NAME Q’TY FRONT CAP GRIP STOPPER RING NEEDLE HOLDER RETAINER SPRING SPRING HOLDER (A) CYLINDER CASE HEX. SOCKET HD.
Hitachi Koki Co., Ltd. Shinagawa Intercity Tower A, 15-1, Konan 2-chome, Minato-ku, Tokyo, Japan 101 Code No.
