D7x11 Series II Navigator Directional Drill Preparation 40-5
The drilling tool locator must wear electrically insulated boots. The ground may become electrically charged if a
strike occurs.
Eye protection must consist of wraparound safety glasses or goggles.
Other workers in the immediate area must also wear hard hats and eye protection.
Wear close-fitting clothing and confine long hair.
Avoid wearing jewelry, such as rings, wristwatches, necklaces, or bracelets.
Allow only responsible, properly instructed individuals to operate and service the machine.
Sound and Vibration Levels
Equivalent Continuous A-Weighted Sound Pressure
at Operator’s Ear as determined by ISO 6394 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L
Aeq
= 90 dB(A)
Guaranteed Sound Power Level as determined by directive 2000/14/EC . . . . . . . . . . .L
WA
= 104 dB(A)
NOTE: The stated sound levels are representative for a given operating condition. Operating conditions
may vary at each job site. The actual sound levels for your application and operating conditions may be
different.
Hand/Arm Vibration Level as determined by ISO 5349 does not exceed daily exposure limit of 2.5m/s
2
Whole Body Vibration Level as determined by ISO 2631-1 does not exceed daily exposure limit of 0.5m/s
2
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