Gardner Denver L4-5C Original User Manual page 16

GROUNDING - Equipment must be grounded in accordance with Section 250 of the National Electrical
Code.
Failure to properly ground the compressor package could result in injury or
death. Install ground wiring in accordance with the National Electrical Code
and any applicable local codes.
MOTOR LUBRICATION - The Hebei type H112-2 motors used with this compressor package have
sealed bearings which have been greased at the factory and require no re-greasing during their
operational life. These motors do not have injection or drain ports for re-greasing.
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