Catalina 310 Owner's Manual

Literature and Warranties

Original manual page 80

Literature and warranties for equipment which may be supplied with this manual:

The scanned copy of the manual includes the following two items of manufacturer literature.

Lewmar User Notes (hatches, portlights and fixedlights)

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.

Always wash the Portlight or Fixedlight with soap, water and a soft cloth. Never use abrasive or solvent cleaners on the window, as this may at a later date damage the acrylic.

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.

Marelon Thru-Hull Sea Valve Instructions (Forespar)

This marine seavalve is made of MARELON®, a glass reinforced nylon composite. It exceeds standards for marine use set by UL, American Boat and Yacht Council, American Bureau of Shipping, and Lloyd's Registry. It is a complete system including thru-hull fitting, valve body, and hose connector.

Hull Openings:

Prepare a clean round hole in the desired hull location and of the diameter for the chosen thru-hull fitting. See the diameter requirements below. For flush head thru-hull fittings only, make an external 45° chamfer 1/4" deep. If the recommended backing block is used, a uniform hole diameter must extend through the backing block.

Thru-Hull/Sea Valve sizeHole
1/2" and 3/4"1-1/8"
1" and 1-1/4"1-1/2"
1-1/2" and 2"2-1/8"

Backing Blocks:

A backing block or an equivalent structure molded integrally into the resin/glass hull lay up is required for installations on all non-flat hull surfaces. This is also recommended procedure for flat surfaces as well. For wood backing blocks, white oak is a commonly used wood and there may be other suitable materials as well.

Thru-Hull Fitting Length:

The thru-hull fitting when fully installed should project beyond the internal hull/backing block surface no less than 1/2" and no more than 1-1/4". Engagement of five (5) full threads will generate the full loading strength of the thru-hull/sea valve assembly which is well in excess of the 500 pounds required by the A.B.Y.C. and U.L. standards.

Bedding:

The thru-hull fitting's external flange should be properly bedded when the fitting is inserted into the hull. The exposed male threads protruding from the inside of the hull should be applied with bedding material as well. The surface of the female threaded round king-nut portion of the valve, which interfaces with the hull surface, may well be bedded also but it is not an absolute requirement and the loading strength will not be impaired if it is not done. Bedding compounds such as 3M's #5200, Sikaflex or Boatlife are to be recommended as well as others that are equally suitable.

Thread Form:

The thread form used on these thru-hull fittings and king-nuts is a non-tapered buttress type of thread design. The thread form has a higher load carrying capacity, particularly for polymeric materials. Warning: a standard pipe threaded thru-hull fitting will not make a satisfactory joint with the king-nut on these valves. For a standard pipe threaded thru-hull fitting use our valves having male pipe thread outlets instead of a king-nut.

A buttress thread design with the same amount of clearance as for a conventional pipe thread will give the impression of greater looseness. However, when the joint is taken up tight, there is a greater area of surface interface between threads with a buttress thread form.

King-Nut Installation:

The fully assembled valve or the round king-nut portion of a disassembled valve is threaded onto the bedding coated thru-hull fitting and tightened down by turning either the thru-hull fitting or the king-nut. A firm hand is sufficient, but if preferred the nut can be torqued to a maximum of 15 foot pounds.

If it is desired to additionally fasten the king-nut to the backing block with screw fasteners, there is provision for such but it is completely unnecessary. It can be seen on the backside of the king-nut that there are four (4) blind 1/4" holes. These may be drilled through to the front side before installation to allow for round headed screw fasteners.

Valve Assembly:

If the valve body has been disassembled from the king-nut or has been shipped to you in a disassembled condition, proceed to reassemble. Make sure that the white seal ring and a black O-ring are in place in the face of the valve body that interfaces with the king-nut. Orient the valve body in your choice of the four (4) possible positions and screw in the four (4) round headed valve body bolts to a strong hand tight condition. No bedding compound is to be used in this interface. If the valve configuration you are using has the 90 degree angled hose barb inlet, you may also choose to orient the barb in any of the three (3) possible relations to the handle at this time.

Valve Connections:

It is recommended that all hose barb connections be made using two (2) all stainless steel hose clamps. For 1/2" and 3/4" barbs, two (2) 3/8" wide hose clamps are recommended. For 1" and larger hose barbs, two (2) 1/2" wide hose clamps should be used. If the valve configuration you are using has a female pipe threaded inlet, you must exercise care in the installation of the pipe nipple. Use a Teflon pipe thread sealant. Be sure you are not cross threading by improper alignment and do not torque more than 15 foot pounds.

Maintenance:

Forespar's MARELON® Thru-hull/Sea valves are corrosion free and provide great peace of mind in that regard. They are relatively maintenance free; lubrication is not required. All that is required is to open and close them two or three times on an occasional basis. The frequency of this is determined by two (2) things: whether the valves are routinely kept in an open or closed position, and the rate of sea growth fouling that occurs where you keep your boat. If the fouling is high and the valves are usually kept in the closed position, it may be necessary to operate the valves every couple of months to free the valve ball from growth. In the low growth/routinely open situation, once every six (6) months may be adequate.

All MARELON® valves of the integral thru-hull design have a removable plug in the handle. This plug is made to fit into the external end of the thru-hull fitting. If the occasion arises that you want to disassemble a valve while the boat is in the water, someone willing to go into the water can insert this plug into the thru-hull.

Forespar Products Corp., 22322 Gilberto, Rancho Santa Margarita, CA 92688. Phone (714) 858-8820. Fax (714) 858-0505. 3/94.

The scan also shows two small drawings with this notice (thru-hull valve installation details: hose connections, minimum sealant, flush head). They are not reproduced here.