H 90SB - Hammer HITACHI - Free user manual and instructions
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| Type of Product | Electric Demolition Hammer |
| Brand | Hitachi (Metabo HPT) |
| Model | H 90SB |
| Power Input | 1500 W |
| Impact Energy | 23 J |
| Impact Rate (No Load) | 1500 blows/min |
| Full Load Impact Rate | 950 blows/min |
| Overall Length | 540 mm |
| Weight (without cord) | 17.5 kg |
| Vibration Level (Main Handle) | 13.5 m/s² |
| Vibration Level (Side Handle) | 11.0 m/s² |
| Sound Pressure Level | 92 dB(A) |
| Power Supply Cord | 5 m |
| Standard Accessories | Side handle, bull point, grease, hex wrench |
| Chuck Type | Hexagonal 30 mm |
| Grease Capacity | Approx. 100 g |
| Insulation Class | Class II (Double insulation) |
| Warranty (Standard) | 1 year |
| Main Functions | Demolition, chiseling, breaking of concrete, masonry |
| Maintenance | Regular greasing, carbon brush inspection, air vent cleaning |
| Safety Features | Anti-vibration handle, safety clutch, lock-on button |
| Repairability | Spare parts available; replaceable carbon brushes |
Frequently Asked Questions - H 90SB HITACHI
What type of power supply does the H 90SB require?
The H 90SB operates on single-phase AC 230V (50/60 Hz) with a power consumption of 1500 W. Ensure the outlet is properly grounded.
Can I use the H 90SB for chiseling?
Yes, it can be used for chiseling, scaling, and demolition. It accepts hexagonal shank chisels (30 mm) and comes with a bull point.
How often should I grease the hammer?
Grease every 20-30 hours of use or whenever the hammer loses power. Use the recommended Hitachi Grease (part No. 983473) and fill the grease port until excess comes out.
What are the vibration levels of this tool?
Main handle vibration is 13.5 m/s², side handle is 11.0 m/s². Use anti-vibration gloves and take breaks to reduce exposure.
How do I replace the carbon brushes?
Unplug the tool, remove the brush caps, extract old brushes, and insert new ones (part No. 324538). Ensure they move freely. Re-cut brushes may be needed after first use.
What is the maximum chisel size?
The chuck accepts hexagonal shanks of 30 mm diameter. Standard chisel length is 400 mm, but longer ones can be used.
Is the H 90SB suitable for reinforced concrete?
Yes, with an impact energy of 23 J, it can break reinforced concrete up to 150 mm thick in multiple passes.
How do I adjust the side handle?
Loosen the handle clamp knob, rotate the handle to the desired position (360°), then retighten securely. The handle can also be removed for tight spaces.
What safety features does the tool have?
It has double insulation, a safety clutch to prevent kickback, and a lock-on button for continuous operation. Always wear PPE.
Where can I find spare parts?
Parts are available at Hitachi authorized service centers or online. Common parts like carbon brushes, chucks, and grease kits are widely stocked.
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