NPK E Series - Auto Lube; Underwater Port Identification

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AUTO LUBE / UNDERWATER PORT
IDENTIFICATION
NPK E203 through E207 models are equipped with two ports on the main body (A) or
impact ring/cylinder spacer (J) used in adapting for AUTO LUBE and underwater use.
The air port (17) will allow the connection of an air line that will allow the hammer to be
used underwater. The grease port (26) will allow for AUTO LUBE connection.