Harken 438 User Manual
INSTALLATION SHEET
®
438 Cam-Matic Adapter
N15W24983 Bluemound Rd, Pewaukee, WI 53072-4974
Telephone: (262) 691-3320 • Fax: (262) 701-5780
Web: harken.com • Email: harken@harken.com
The 438 cam adapter plate makes mounting
150 and 365 Cam-Matic
surfaces such as masts and booms secure and
easy. It is ideal for halyards on dinghies and small
keelboats, spinnaker pole adjuster systems and
outhauls.
Installing Cam Adapter Plate
1. Hold plate with center hole towards user.
Cam pawls will open this direction.
2. Using plate as guide, drill and tap center hole
only. Use chart below, determine correct drill size.
Fastener Size Drill Size Tap
10-24
10-32
5 mm 4.25 mm M5 x .8 mm
3. Screw plate to spar with center screw (apply
®
Loctite
to threads).
Plate
®
cam cleats to rounded
9
/64" 10-24
5
/32" 10-32
4. Using plate as a guide,
CORRECT
drill and tap through spar.
INCORRECT
®
5. Screw cam to spar with two screws (apply Loctite
®
Loctite
is a trademark of Henkel AG & Company KGaA
to threads).
CAUTION Three fasteners must secure cam cleat and adapter
to spar. Using only center fastener will result in cam suddenly
coming off mast and causing damage or injury.
6. Do not over tighten. Cam should be quite secure, but pawls should snap
closed smartly.
Maintenance
Harken equipment requires minimal maintenance, but some is required to give the best
service and to comply with Harken's limited warranty.
It is important to keep equipment clean by frequently flushing with fresh water. In
corrosive atmospheres, stainless parts may show discoloration around holes, rivets
and screws. This is not serious and may be removed with a fine abrasive.
With the exception of winches, do not use grease unless specifically recommended in
the instruction sheets.
Important! Exposure to some teak cleaners and other caustic solutions can result
in discoloration of part and is not covered under the Harken warranty.
Warranty
For additional safety, maintenance and warranty information see www.harken.com/
manuals or the Harken
®
catalog.
Printed in USA 4853 12/13
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