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User Notes
Small "vent" hatches are restricted to 90 degree opening and should not be forced beyond their "stop"
position, as damage to the lever mechanism may occur. Larger hatches are not self supporting
beyond the vertical position and will fall fully open if unrestrained.
The locking ventilation position is used by closing the handles into the catch block centre slot. Care
should be taken not to stand on or load the hatch lid in this position, as damage could occur to the
handle or catch block.
Always wash the hatch with soap, water and a soft cloth.
Never use abrasive or solvent cleaners on the acrylic lid, as this may at a later date damage the acrylic.
To avoid risk of injury care should be taken to keep hands and limbs clear of lever and lid pinch zones
while operating and adjusting the hatch.
Backing plates are available separately to offer a quick solution to through bolting the hinge units
neatly.
Catalogue No. Thread Size
3669913999 M6
3669914999 1/4" UNC
Friction lever adjustment
The friction lever units installed on Ocean hatches are pre-set when manufactured to give correct
positioning with a minimum opening load. It may be necessary occasionally to adjust the lever setting
to correct the operation of the hatch.
Adjustment is made by means of the socket head screws on either side of the lever assembly.
Using a 4mm (5/32") hexagon key, turn the adjusting screw approximately 1/8th of a turn in a
clockwise direction to increase the positioning force. This is most easily carried out in the fully open
or closed positions.
Do not over tighten the adjusting screws
On hatches with multiple lever units, care must be taken to adjust all levers to a similar
loading.
Open the hatch and check for correct operation.
Re-adjust if necessary until the desired operation is achieved.
Lubricants should not be used on the friction lever assemblies as this will adversely affect the
function of the units.
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