Spars And Rigging; Stepping Mast - Yamaha 33 1980 Owner's Manual

y-33 2-1
2. SPARS AND RIGGING:
2-1. STEPPING MAST:
(1) Preparation:
Keep unnecessary staff out of your way and check all parts carefully. Make sure the standing
rigging Is not tangled, halyards are properly running and all turnbuckles are slacked.
Put the rubber boot onto the foot of the mast temporarily.
(2) Setting the Spreaders:
Secure the spreaders to the spreader brackets.
Secure the tips of the spreaders to the upper shrouds (see Fig. 7).
NOTE: A SPREADER SHOULD BE ADJUSTED SO THAT THE ANGLES BETWEEN THE
SHROUD AND SPREADER ABOVE AND BELOW ARE EXACTLY EQUAL (see Fig. 7)
FAILURE TO DO THIS CAN CAUSE THE SPREADER TO SLIP WHICH COULD
RESULT IN THE LOSS OF THE MAST.
(3) Stepping the Mast:
By using a crane, step the mast on the mast step. Secure all turnbuckles, but leave the stand
ing rigging snug.
Set the clevis pins so that the cotter pins are Inboard.
(4) Secu re the Heel of the M ast:
Secure the heel of the mast to the mast step by using the securing bolts and nuts (see Fig. 8)
.r
MAST
HEEL
/
o^oo\
MAST STEP
Fig. 7
Fig. 8
NOTE: BIND UP THE SPREADER TIPS AND BRACKETS WITH INSULATING TAPE FOR
SECURITY.