Hamilton Jet HJ212, Installation And Service Manual, Page: 116 / 198

Overhaul
Installation and Service Manual
Hatch Extension Removal
To remove the hatch extension, carry out the following operations:

Make sure that the water level is below the level of the intake inspection hatch. If necessary, ballast the
bow end of the vessel so that water will not enter the vessel through the inspection hatch when the
cover is removed.

Unbolt and remove the inspection hatch cover from the hatch extension.

Unbolt and remove the hatch extension from the jet intake.

Make sure that the o-ring fitted to the inspection hatch cover is not cut or perished. Replace if necessary.

Smear the o-ring with marine grease and fit to the o-ring groove on the underside of the inspection hatch
cover.

Fit the inspection cover over studs [21] around the inspection opening and secure in position with spring
washers [22] and nuts [23].

Tighten nuts to the specified torque. Refer to section: Tightening Torques on page 10-28.

Remove any ballast that may have been added to the bow of the vessel and once the vessel is afloat,
check the inspection cover for leaks.
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