SAFETY PRECAUTIONS
TRENCHERS
BB
MAINTAINING THE TRENCHER
1.
Replace all safety shields and guards when performing maintenance.
Do not operate the trencher with protective equipment removed.
2. Lower the trenching boom, and shut off the engine before working on
the unit. Never perform maintenance on a trencher while it is run-
ning.
3.
Make sure all operating and residual pressures are relieved before
working on a hydraulic system. Shut engine off, and operate all the
controls to relieve any pressure.
4. Use only manufacturer recommended replacement parts. Other parts
may be substandard in fit and quality.
5.
Do not set any relief valve higher than recommended by the manufac-
turer. Relief valves should be checked and adjusted only by a trained
service technician. Do not remove or block a relief valve.
6. Observe proper maintenance schedules. Proper maintenance can help
prevent a hazardous condition.
7.
Always wear safety goggles or glasses when working on equipment.
WARNING! Escaping fluid under pressure can have sufficient force to pen-
etrate the skin, causing serious personal injury. Fluid escaping
from a very small hole can be almost invisible. Use a piece of
cardboard or wood, rather than hands to search for suspected
leaks.
Keep unprotected body parts, such as face, eyes, and arms as
far away as possible from a suspected leak. Flesh injected
with hydraulic fluid may develop gangrene or other permanent
disabilities.
If injured by injected fluid, see a doctor at once. If your doctor
is not familiar with this type of injury, ask him to research it
immediately to determine proper treatment.
CARDBOARD
HYDRAULIC HOSE
OR FITTING
MAGNIFYING GLASS
4216
2-26-92-2
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