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KEEL HOISTING AND LOWERING 

• 

WARNING ; Do not allow the winch to 
free spin, serious damage could occur 

• 

ry 

• 

le and release the catch. 

 

• 

re

racts into the case. Keep fingers and toes clear. 

• 

Ensur

h

replaced 

hen raising the keel it should be winched 

p just short of the weld on the lifting post 

nel packing strips are 

pplied with your new boat to shim the front 

fer 

 

 

 that nothing is fouling 

 

to the hull and keel if this happens.

 

If the winch does start to free spin do 
not attempt to stop it as serious inju
could result.

 

To lower the keel take up the tension on 
the winch hand
Keep hold of the winch handle and slowly
rewind the keel so that it retracts into the 
keel box case. 
Guide the keel into the keel box and ensu
the keel as it ret

• 

When the keel is fully lowered 
attach the keel hold down strap 
and secure. 
Remove the post and fit the cove
plate 

e t at the keel winch rope is 

if worn

 
 
 
 
 
 
 
 
 
 
 
 
 
 
W
u
and no further. 
 

Please note: Tuff
su
of the keel if required. The red keel buf
material will bed in after a number of hours 
sailing and may require the shims to be glue
onto the front face of the keel buffer to provid
a tight fitting keel. A impact adhesive should 
be used. 

Summary of Contents for SB3

Page 1: ...RIGGING MANUAL ...

Page 2: ...considered suitable for the task of learning to sail a boat LASER CENTRE Options accessories and spares are available from Laser Direct 44 0 1295 252599 www lasersailing com The Laser Centre 6 Riverside Banbury Oxon OX16 8TL UK CONTENTS 1 Glossary 2 Basic boat parts 3 Maintenance 4 Sail numbers 5 Shroud layout 6 Assembly of the mast 7 Raising the mast 8 Setting up the mast 9 Rigging the boat 10 La...

Page 3: ...ny rail The stainless steel rail on the side of the boat Gnav Used to control the leech twist and shape of the sails can be referred to as Vang Head Top of sail Halyard A rope or wire used to lower or hoist sails Jib Front sail Jib Sheet Control rope for the jib Leech Trailing edge of the sail Luff The front edge of the sail Mast Heel The fitting at the base of the mast Mast step The fitting on th...

Page 4: ...T TERMINOLOGY Gennaker Pole Tack D1 Lower D2 shroud Clew Gennaker Main shroud V1 D3 Cap shroud V2 D4 Backstay Head Cunningham control Gnav control Gennaker Halyard Jib Halyard Pole out control Gennaker tack line ...

Page 5: ...hackles pins and fittings tape up to stop snagging coming undone When refastening screws do not re use Nilock nuts more than three times Do not leave heavy loads on the blocks when not in use as this can distort the bearings Seals on the main hatch and small hatch covers should checked regularly and replaced if damaged Damaged or worn parts should be replaced Trailers should be rinsed with fresh w...

Page 6: ...e 60mm apart 150mm from leech 60mm apart 5 Turn over the sail 6 Position the GBR starting with the R 180mm from the leech 7 The GBR is 60mm above the draft line 8 The letters are 60mm apart 9 Position the sail nos 60mm underneath and parallel to the numbers on the opposite side 10 The numbers should be put on so that they are in line with the numbers on the opposite side of the sail 11 This will b...

Page 7: ... starboard side GBR should be positioned 60mm above the port side letters and parallel to them 13 The letters should sit above the port side letters starting with the G 14 The gap between the letters is 60mm ...

Page 8: ...SHROUD LAYOUT V2 D4 Cap shroud VI D3 main shroud D2 D1 Lowers D shrouds are diagonals V shrouds are verticals V1 D3 is a continous length V2 D4 is a continous length ...

Page 9: ...sets of spreaders and the backstay whip are taped to the mast 4 The backstay whip has 3 pre drilled holes and is attached to the crane at the top of the mast The screws are supplied in the crane 5 The spreader is fixed with no adjustment They are marked port and starboard and simply attached with two clevis pins and rings Ensure that these are taped up 6 Measure the V2 D4 Cap shrouds and adjust th...

Page 10: ...40mm 8 Tape up the main shroud as shown This holds the feral in position whilst fully taping the end of the spreader assembly 9 Lock the bottle screw by inserting a small screwdriver and turning anti clockwise 10 V1 D3 shrouds Adjust the bottle screws so that they are the same length and showing approx 20mm of thread loose this will be set up once the rig is raised and tensioned 11 Fit the D2 and ...

Page 11: ...en raising the mast The trailer should be chocked or lower the rear supports before assembly of the mast 3 moved aft The mast cradle should be positioned at the b the boat as shown and then the mast is moved a to position the mast heel to the step The mast sh be positioned on the port side of the keel The Lifting post s ast be in position for lifting the m as it could foul the rigging 5 tightened ...

Page 12: ... ar of rd is 5 The Winch strap must be positioned on shrouds The lowers should re off at this stage 7 in their terminals 8 halyard 9 Pull ou until the hook is reaching the middle of the granny rails 10 At jib halyard 1 1 halyard close to the spin lock 1 cleated position AND THE KNOT IS CLOSE TO THE CLEAT 14 Check the rigging is cle obstructions and that the jib halya not rapped around anything 1 t...

Page 13: ...ction 1 gennaker halyard and secure it to the trailer Cleat off the gennaker halyard at the mast This is purely as a safety line whilst attaching the forestay 1 th SLOWLEY engage the forestay clevis pin Atta the ring to the pin and then release the winch DO NOT OVERWIND THE WINCH ind the rig forward to set up of the rig the bottle screws can of raising the mast will enable the rigs P is assembled ...

Page 14: ...end for and aft and straight side to side The tension in the V1 D3 shrouds and the D2 shrouds control the mast bend Adjustment of the tension on the shrouds is done via the bottle screws To tighten and loosen you will require an adjustable spanner to hold the swage at the top of the bottle screw and insert a screwdriver to turn the bottle screw body in the required direction When adjusting the bot...

Page 15: ...ecure bottle he backstay control can be used to induce ore mast bend if required to flatten the sail The lowers B the halyard to the aft face of the mast abov the gooseneck will The halyard will be 4 5 at spreader height this is allowing for the sheave at th to The mast section depth is 4 and is a useful guide comparison D1 shrouds can now be attached and should be just sl Lock the shrouds by usin...

Page 16: ...ld be attached by taking the only free nd of the black green fleck rope and he top spinlock 6 Attach the pulley and shackle on the black green rope to the lower D ring 3 to 4 s e feeding this thru the sheave on the top of the boom 5 Feed this rope thru the pulley on the aft face of the mast and then to t leat c webbing on the mast ...

Page 17: ...7 Attach the large pulley and hackle to the Gnav car on the oom 8 Attach the last pulley and hackle to the uppermost D ng and webbing on the mast s b s ri Vang assembled ...

Page 18: ...osition before sailing 2 Hatch shows the handle in the 3 Insert the tube on the gennaker bag onto the bobble first board end and secure the ont of the bag to the closed position 4 Insert the star elastic to the clip 5 Secure hook on the fr clip on the boat ...

Page 19: ...the jib sheet thro car pulley Feed the other end of the jib sheet up thru the block on th jib tack and then back thru the 5 the deck e block on the track The sheet is then led back to the ratchet block on 6 The sheet is then led across the boat and led thru the ratchet block 7 Thru the jib car block 8 to the jib block and back to the jib car block where it is secured with a dead end knot ...

Page 20: ...led from the port side of the bow fitting to the port side This is a usefu control if used in conjunction with the jib halyard to raise and lower the jib on the fore fine tune the sheeting angle 3 Thru the tack eye and to the turning block on the starboard side of the bow fitting This then goes thru the tack eye and dead ends at the Becket on the port side block ...

Page 21: ...the sail and work dow the leech of the sail to avoid twists in the sail when packing The gennaker sheets Tack line and halyard are all attached to the gennaker OVER the jib sheets d H Jib Shee 3 4 The Gennaker halyard should be check to ensure that it is not twis in the other rigging 5 The gennaker sheet is attached to the clew of the sail in the middle of the sheet To do this and form a loop Pass...

Page 22: ...he jib sheet around the forestay and above the gennaker pole and tack line Feed it around to the back 8 f the gennaker sheet together gennaker block at the back of the rail and then forwards to the centre block on the rail Tie the two ends o ...

Page 23: ... tying a bowline thru the block The sheet is then led thru th aft bloc back up to the boom block Back down to the forward block on the traveller back t the forward block on the bo and finally to the centre jammer cleat base 4 of the boom before the sail is hoisted The webbing loop simply slides the end o 6 The outhaul is then attached by making a loop in the li loop thru the eye in the sail and t ...

Page 24: ...or launching and recovery of the boat Care should be taken when hoisting th sail and should always be fed into the sail feeder to avoid jamming and tearing the sail Atte especially to the top batten protector hen the sail is fully h should be fed into the cu out in the mast luff groove just below the Gnav bracke The outhaul should be ease e outhaul can then be plied T a ...

Page 25: ... the mast ail thru the Cunningham eye in the sail ie a knot in the tail aving a short tail after the hen is placed into the il track below the st Feed the Cunningham t T le knot This t sa gooseneck The short tail is used to release the Cunningham line out of the mast ...

Page 26: ...strap as through the shackle and a loop formed around both lifting strap There should be no tension in th strap Ensure that the lifting straps are strong and keel inc rigging The keel should be left in the raise position Ensure tha locked in the raised position Secure any loose items Do not go underneath the boa L ntil the boat is reversed in until the the winch the trailer At this point raise the...

Page 27: ...top it as serious inju could result To lower the keel take up the tension on the winch hand Keep hold of the winch handle and slowly rewind the keel so that it retracts into the keel box case Guide the keel into the keel box and ensu the keel as it ret When the keel is fully lowered attach the keel hold down strap and secure Remove the post and fit the cove plate e t at the keel winch rope is if w...

Page 28: ...ARNING Only wi cks e boat e This is a reverse ac Connect the jib halyard to the winch ho on the unwound about 150cm Pull the jib halyard taught cleat and tie safety knot up to the clea Take the gennaker halyard and tie this to t trailer take up the slack and halyard This is only used as a security halyard whilst releasing the pin on the forestay Put the strong back mast support at the of the boat ...

Page 29: ... over to responsibility of the persons towing to ensure that they comply with the legal requirements for the countries which the trailer will be utilised When securing the mast to the mast supports keep the spreaders facing down and ensure that there is enough slack in th rigging to enable the mast to sit on the rear support without putting strain on the spreaders Ensure that everything is secure ...

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