Doosan L6-60HZ-T4F Operation And Maintenance Manual page 12

Operating & Maintenance Manual
Electrical Shock. Do not operate electrical equipment while standing in
water, on wet ground, or with wet hands or shoes. Use extreme caution
when working on electrical components. Battery voltage (12VDC) is
present unless the battery cables have been disconnected. Higher
voltage (potentially 240) is possibly present at all times.
Always treat electrical circuits as if they are energized. Disable Start
Control before attempting any repair service. Disconnect all leads to
electrical power requirements and disconnect battery to prevent start up.
Grounding
Depending upon your application, it may be MANDATORY to ground this unit to earth or to
NOT ground this unit to earth. Comply with local electrical codes.
The unit can produce high voltages, which can cause severe injury or
death to personnel and damage to equipment. This unit should have
proper internal and external ground when required by National Electrical
Code. The unit is internally grounded neutral to the frame. This internal
ground connection is essential for proper performance and personal
protection.
External grounding consists of connecting the machine neutral to a solid
earth ground and is the responsibility of the operator when grounding is
required by National Electrical Code, Article 250, and other local codes as
applicable. Several methods are employed to externally ground the unit
depending on the intended use and code requirements. In all cases, a
continuous length of splice-free copper cable, no smaller than AWG#8,
shall be used for the external ground conductor, when grounding is
required. A qualified, licensed electrical contractor, knowledgeable in
local codes, should be consulted.
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WARNING
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WARNING
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WARNING
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Safety