Selden TYPE RB Mk 4 - Checks and Adjustments before Stepping

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1. Remove the access covers.
Depress one button and push.
Lift the opposite end and remove.
Fig. 4:1
Fig. 4:2
Luff extrusion adjustment
Checking luff extrusion tension prior to stepping the mast
Theluffextrusioniscorrectlytensionedbeforeleavingthefactory,buttensioncanbere-checkedbeforestepping
themastinthefollowingmanner.
Laythemasthorizontallyonit´ssideandkeepitstraight.Theluffextrusionshouldnowbejustclearoffthemast
wallatitsmidpoint.Ifadjustmentisnecessaryseepoints1-5below.
Ifadjustmenthastobemadeafterthemasthasbeenstepped,thentheluffextrusionshouldbesotensionedthatit
doesnotbeatagainstthemastwallwhenyougraspitthroughtheupperaccessholeandshakeit.
Theluffextrusioncanbetensionedalsowiththesailttedifthewindsareverylight;Rolloutthesail,lowerit
slightlyandremovethetackfromthetackhook.Hoistthesailsoitdoesnotinterferewithtensionscrew.
Partoftheextrusionwillberestingontheaftfaceofthesailcompartmentwhensailing.
DONOTOVER-TENSION!Aluffextrusionthatisover-tensionedwillrequireincreasedfurlingeffort.