Harken 7801 4-Point Storage System - 60 lb - Manual (Page 15)

15
Front
wall
Top
plate
Pigtail lag
screw
Pigtail lag
screw
Rope
organizer
Welded
screw eye
Front
mounting
board
DIAGRAM 21. If distance to front wall is less than distance needed
to lift object, move the welded screw eye (A) along the front wall
until distance 2 is equal to distance 3 (see Diagram 20).
Garage
door
Front
wall
2
3
1
Ceiling
DIAGRAM 20. Distance 2 must be equal or somewhat
greater than distance 3. See chart below. For a larger view,
see Diagram 15 (page 12).
MAXIMIZING LOWERING OF OBJECT
You may want to lower object to floor or onto sawhorses.
If distance 2 is much greater than 3, the distance object
can be lowered will be limited by length of supplied rope.
If distance 2 is distance 3 will be If distance 2 is distance 3 will be
10 10 14 6
11 9 15 5
12 8 16 4
13 7 17 3
When distance 2 is much greater than 3, purchase longer rope
for drop ropes (H) to maximize distance object can be lowered.
A. INSTALL WELDED SCREW EYE (A)
PLACEMENT ON FRONT WALL
If distance to front wall is still too short, consider
running block and tackle to the side of the object
instead of lengthwise.
SEE APPENDIX—PAGE 19.
LEADING BLOCK AND TACKLE TO SIDE WALL
STEP 5: ASSEMBLE HOISTER SYSTEM; RAFTERS RUNNING SIDEWAYS
Drill a 7 /
32
" (5.5 mm) hole into top plate of garage for mounting
welded screw eye. Always wear safety glasses. Screw welded
screw eye into top plate until threads just disappear into top
plate. Do not overtighten. See procedure and warnings for
Install Pigtail Lag Screws.
VIEWED FROM BELOW