Snorkel TB120 2001 - Manual (Page 41)

7. OPERATION
7 - 6 P/N 0191914
IMPORTANT (ground-control box operation):
You must hold the GROUND OPERATION
switch (6) up when you use any of the platform-
moving switches (1 through 5) to move the
platform. This is a safety feature to prevent the
platform from moving if a single platform-moving
switch is accidentally pushed.
IMPORTANT (platform-control box
operation): You must be stepping on the foot
switch (7) when you use any of the platform-
moving switches (1 through 5) to move the
platform. Also, you must be stepping on the foot
switch to use either the LIFT/SWING controller or
the DRIVE/STEER controller. The foot switch is a
safety feature to prevent the platform from
moving if a single platform-moving switch or
controller is accidentally pushed.
FOOT SWITCH
GROUND-CONTROL BOX
PLATFORM-CONTROL BOX