Form No. 3323-279 Breaker Dingo Attachment Model No.
The warning system in this manual identifies potential hazards and has special safety messages that help you and others avoid personal injury, even death. DANGER, WARNING and CAUTION are signal words used to identify the level of hazard. However, regardless of the hazard, be extremely careful. Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety Decals . . . . . . . . . . . . . . . . . .
DANGER WARNING POTENTIAL HAZARD • Contact with moving breaker may cause injury. POTENTIAL HAZARD • The breaker is very loud during operation. WHAT CAN HAPPEN • Moving breaker can crush hands, feet or other body parts. WHAT CAN HAPPEN • Over time, your hearing may be impaired if unprotected. HOW TO AVOID THE HAZARD • Keep your hands, feet, and any other part of your body or clothing away from moving parts.
Safety Decals (# 99-4348) (# 99-4356) (# 99-4353) (# 99-4354) (# 99-4352) Stability Ratings Specifications To determine the degree of slope you can traverse with the breaker installed on a traction unit, find the stability rating for the hill position you want to travel in the following table, then find the degree of slope for the same rating and hill position in the Stability Data section of the traction unit operator’s manual.
. Smear grease completely over the top six inches of the bit (Fig. 1). WARNING 6. Slide the bit into the breaker with the notch in the bit facing the right side of the breaker (Fig. 1). POTENTIAL HAZARD • Exceeding the maximum slope can cause the traction unit to tip. 7. Insert the bit retaining pin into the breaker and drive it into place with a hammer (Fig. 1). WHAT CAN HAPPEN • If the traction unit tips, you or bystanders could be crushed. 8. Grease the bit before use.
m–4249 Figure 2 m–4250 Figure 3 • If the bit is positioned too far from the edge of the material the energy may be absorbed by the material without breaking it. If the material has not cracked after 15 to 20 seconds, stop the breaker and move the bit to a different location. IMPORTANT: Never pry with the bit. IMPORTANT: Continuous penetration in the same location for long periods of time will create high temperatures at the tip of the bit.
Operating Tips for Vertical Surfaces 5. Drive the front mounting pin through the upper holes and secure it with the click pin (Fig. 4). • Position the bit on the vertical surface in the same manner as you would position it on a horizontal surface. 1 2 • Maintain pressure on the bit by driving the traction unit forward into the vertical surface while operating the breaker. 1 2 m–4251 Figure 4 1. Click pin 2.
CAUTION POTENTIAL HAZARD • If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN • Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD • Remove the key from the ignition switch before you do any maintenance. Greasing the Bit Service Interval/Specification Grease the bit before each use and then after every 1 to 2 hours of operation. Grease it immediately after washing.
5. Inspect all hydraulic fittings and hoses for leaks. Repair or replace any fittings or hoses that leak. WARNING POTENTIAL HAZARD • Within the breaker is a chamber containing pressurized nitrogen. WARNING POTENTIAL HAZARD • Hydraulic fluid escaping under pressure can penetrate skin and cause injury. WHAT CAN HAPPEN • The chamber could explode, injuring or killing you or bystanders.
