10
HAMMER CONNECTION PORT
GH4 and GH6
The underwater connection port (17) is located on the left side of the impact
spacer.
1. Remove the pipe plug (AS) from the port and install a heavy duty adapter
elbow (CF) to connect to the air hose fitting.
DO NOT install the air connection into the port (26) on the right side of the impact
spacer. This port is a grease connection port used for autolube (26). Using the
autolube port for underwater operation can result in damage to the hammer.
2. Remove the drain plug (B) from the hammer body (A) (located on the left side
of the hammer body (see above) and replace with solid ¼” NPT plug, K023-
6660 (AS1).
3. Attach air line from air compressor to the adapter fitting on the hammer.
Hoses must be secured and protected from damage during operation.
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