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Demolition Hammer
Model H 90SB
Instruction manual
Note:
Before using this HITACHI Demolition Hammer, carefully read through this
INSTRUCTION MANUAL to ensure efficient, safe operation. It is
recommended that this INSTRUCTION MANUAL be kept readily available as
an important reference when using this power tool.
Double insulation
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Table of Contents
Related Manuals for Hitachi H90SB OM H 90SB
Summary of Contents for Hitachi H90SB OM H 90SB
- Page 1 Model H 90SB Instruction manual Note: Before using this HITACHI Demolition Hammer, carefully read through this INSTRUCTION MANUAL to ensure efficient, safe operation. It is recommended that this INSTRUCTION MANUAL be kept readily available as an important reference when using this power tool.
- Page 2 We sincerely thank you for selecting a HITACHI POWER TOOL. To operate this power tool safely and efficiently, please read this INSTRUCTION MANUAL carefully to get a good understanding of the precautions in operation, capacity of the power tool, use and the like.
- Page 3 13. DISCONNECT POWER TOOLS. When not in use, before servicing, and when changing accessories, such as blades, bits, cutters. 14. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting wrenches are removed from the power tool before turning it on. 15.
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Page 4: Service And Repairs
28. STOP OPERATION IMMEDIATELY IF ANY ABNORMALITY IS DETECTED. Should the power tool be detected as out of order or should other abnormalities be observed during operation, stop using the power tool immediately. 29. NEVER LEAVE THE POWER TOOL RUNNING UNATTENDED. TURN POWER OFF. Don’t leave the power tool until it comes to a complete stop. - Page 5 DOUBLE INSULATION SYSTEM ENHANCES SAFE OPERATION To enhance safe operation of this power tool, HITACHI has adopted a double insulation system. The term “double insulation” used here denotes an insulation system with two insulations physically separated and arranged between the electrically conductive material connected to the power supply and the outer frame subject to contact by the operator.
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Page 6: Name Of Parts
NAME OF PARTS Front cover Retainer NOTE: Install the side handle with the supplied 4 bolts and 4 spring lock washers. Tighten the bolts securely with the supplied wrench. SPECIFICATIONS Motor Power Source Current Full-Load Impact Rate: Weight ACCESSORIES CAUTION: Only following genuine accessories for this power tool should be used. -
Page 7: Optional Accessories...sold Separately
OPTIONAL ACCESSORIES…sold separately Bull point Cold chisel Scoop Cutter APPLICATION This demolition hammer should be applied to breaking concrete, chipping off concrete, grooving, bar cutting, and driving piles in installation of piping and wiring, sanitary facility installation, machinery installation, water supply and drainage work, interior jobs, harbor facilities and other civil engineering work, etc. -
Page 8: Operation
NOTE: Use a manual hammer to open/close the retainer as it is too heavy to move by hand. Fig. 2 NOTE: When removing the accessory, such as a bull point, a cutter etc., follow the above procedure in reverse order. OPERATION Pull the trigger switch after applying the tip of the bit to the crushing position. - Page 9 After replacing the carbon brush, tighten the brush cap, then mount the tail cover securely. NOTE: Due to HITACHI’s continuing program of research and development, the specifications herein are subject to change without prior notice. Usual carbon brush Auto-stop carbon No.
- Page 11 Hexagon Hd. Tapping Screw Special Washer Internal Wire Stator Brush Terminal Vinyl tube (B)(I.D.4 × T0.4 × 80) Bearing Washer Ball Bearing (6201VVCM) HITACHI Label Housing Cover Collar Bolt Washer Spring Lock Washer Hexagon Socket Hd. Bolt Hexagon Bar Wrench Hexagon Bar Wrench...
- Page 12 WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • Lead from lead-based paints, •...