Mistakes to Avoid:
420 Assembly

Incorrect

Correct


trampoline obstructs mast step

trampoline obstructs mast step

mast step exposed

mast step exposed


jib fairlead/cleat leading outboard

jib fairlead/cleat leading outboard

jib fairlead/cleat leading inboard

jib fairlead/cleat leading inboard


mainsheet bridle laced under trampoline

mainsheet bridle laced under trampoline

mainsheet bridle above trampoline

mainsheet bridle above trampoline


 
don’t forget about the bottom frame tabs (8 total)

don’t forget about the bottom frame tabs (8 total)


shroud hound (wishbone bracket) pointing skyward

shroud hound (wishbone bracket) pointing skyward

shroud hound (wishbone bracket) pointing downward

shroud hound (wishbone bracket) pointing downward


misaligned slot

misaligned slot

aligned slot

aligned slot


 
bitter end of main halyard nearest mast

bitter end of main halyard nearest mast


 
bitter end of jib halyard nearest mast

bitter end of jib halyard nearest mast


 
shackles straight, not caught sideways

shackles straight, not caught sideways


 
don’t forget to tighten bowsprit turnbuckle and jam nuts

don’t forget to tighten bowsprit turnbuckle and jam nuts


 
boom vang or cunningham clips to mast bracket, not step

boom vang or cunningham clips to mast bracket, not step