Craftsman 139.53425SRT Garage Door Opener User Manual


 
Separate all hardware from the packages in the rail carton and the opener carton, as
shown below, for the assembly and installation procedures.
AssembLy Hardware
T_o_ey ThCe_d_ Sh_ (1}
_16 _ {4} I/4 _ 20 _ 7/16 _ (4}
Installation Hardware
H_,_d_ R_t Gte_
,,.-'_1¢*_8 _ _o;b__ (4)
NL4 _ _8i6t
Ro?e
Safety Reversing Sensor
Installation Hardware
Hex _¢_w
i/_-20 _ 11_" (2)
Ca_ge _Rs Lo_ N_ _,/i#gN_ (2)
_/4"- 20 × 1_" (4) _/4" _ (4)