I. Purpose & Scope

To safely and effectively provide instruction on the inspection and proper use of hydraulic breakers.

II. Definitions

Standard PPE – High Viz Garment, Hard Hat, Z-87.1 Safety Glasses, Gloves, Pants, Work boots.

III. Process

NOTE: Work instruction does not supplement the manual. For specific instructions for the exact model please refer to the owner’s manual. 

A. Potential Hazards

• Injection hazards
• Flying Debris/Hydraulic oil
• High decibel
• Crushing
• High Heat
• High pressure chemicals

B. PPE

• Standard PPE
• Hearing Protection

C. Inspection

1. Inspect the hydraulic hoses and fittings for signs of leaks, cracks, wear or damage.

D. Use

1. Select the right chisel.
2. Move the impact point from the edge to the interior.
3. Always position the hammer at a right angle.

E. Maintenance

1. Every two hours

• Grease the chisel and chisel brush
• Check hydraulic oil temperature, piping & connection and impact efficiency.
• Tighten loose connections.

2. Daily

• Remove the retaining pin and the chisel and check their condition. Grind off any burrs that may be present.
• Check that the chisel has been receiving sufficient grease.

3. Weekly

• Check gas pressure in the back-head. Refill the gas if necessary.
• Check for wear of the chisel, front bush, chisel bush, chisel wiper and piston lower part.
• Check the hydraulic hoses, replace as necessary.
• Check through bolts, replace and/or tighten if necessary.

F. Live Line Contact

1. Immediately stop work. 
2. Treat equipment, attachments and ground as energized. 
3. Warn people nearby that an electric strike has occurred. 
4. DO NOT exit equipment and stay inside cab while contact or arcing is occurring.
5. Ensure equipment is barricaded.
6. If there is an immediate hazard (i.e. fire hazard) that requires the exiting of equipment employee shall jump out of equipment with both feet together, landing on the ground. 
7. Employee shall than shuffle away from equipment, not walk or run, taking small steps and feet together to minimize voltage difference in the ground until they reach a safe location.