Assembly, Installation, Safety reversing sensor – Craftsman 139.53975SRT User Manual
Page 7
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Separate all hardware from the packages In the rail carton and the opener carton, as
shown below, for the assembly and installation procedures.
ASSEMBLY
LX)ck Nut
1/4--a0 (2)
Lock Washer
3/B’
(1)
o
Nut
3/8" 0)
Bolt 1/4"-20 X 1-3/4" (2)
Master
Link (2)
Chain Spreader (2)
O iff
■iril'ffffiffi
IdlerBolt (1)
Trolley Threaded Shaft (1)
INSTALLATION
Í—
I I ! I I I in
1 1 1
11 11
I I I I I I
_ 1
11 111 11
Hex Screw
5/16"-18x7/8" (4)
Hex Screw
1/4" - 20 X 5/8" (4)
Spacer (2)
Lock Nut
Nut
o
Lock Washer
Ring
1/4*-20(10)
S/16"-18{4)
5/16" (7) Fastener (3)
5/16"-9x1-5/8" (2)
5/16"-18x2-1/2" (2)
Lag Screw
5/16‘-18x1-7/8" (2)
[!> Í
i |i | i i N i | i l i | i | i j i | r n > b i i i m i i i i M i i m m
ME
Screw
6ABX1-1/4" (2)
Screw
6-32x1*(2)
Dry Wall
Anchors (2)
Clevis Pin
5/16"x1-1/2"(1)
Clevis Pin
5/16"xr (1)
Clevis Pin
S/16"x1-1/4" (1)
Insulated
Staples (10)
SAFETY REVERSING SENSOR
Carriage Bolt
1/4"-20xl/2* (2)
Wing Nut (2)
insulated
Staples (20)
Rope