The Tork 602A mechanical outdoor timer with 2 grounded outlets.
Tork 601A and 602A manualhttp://waterheatertimer.org/pdf/Tork-601A-Manual.pdf
Manual has images of timer that will help.
Plug timer into outdoor outlet.
To set current time, rotate dial clockwise until current time lines up with arrowhead located on inner dial.
Dial is divided into light and dark sections that represent day or nighttime hours.
Reset time after power outage.
96 pins located around timer dial are used to set on-off times.
Each pin represents 15 minutes in 24 hour day
Move pins in-or-out with fingernail or ink pen to set timer on-off functions.
With Tork timers, usually when pins are out, timer is ON.
When pins are in, timer is OFF.
To double-check pin setting, manually rotate timer to watch when lights turn on-off.
Set multiple ON/OFFs each day.
Change on-off times by resetting a pin or two.
Timer repeats every 24-hours.
Manual ON/TIMER switch is located on inner dial.
Set Manual switch to TIMER for programs to operate.
To override time and turn on Load, move override to ON position.