Tadano GR-700N, Service Manual

Page: 98 / 200

Y-9 Y-9
Operation Check (Traveling Device)
85
WY05-3940E
9.2 Emergency operation
Check the suspension state and the suspension lock indicator with the following procedure.
Operation
Suspension lock indicator
Suspension state
Turn ON the main switch to start
engine.
↓
Keep pressing the suspension
free switch for 1 second or more.

Check that the suspension emergency free switch
is on the normal position, and put the vehicle into a
traveling state while the boom is in a front-side.
Flashes slowly during leveling.
Goes out after leveling.
Free after leveling
(Normal traveling starts)
↓
Suspension up/down switch

Leveling is impossible when the road surface is not flat.
In this case, adjust to the lock state by operating the suspension
up/down switch, move to a flat ground, and then operate the
suspension free switch again.

Press the suspension up/down switch for a moment to put into a
suspension lock state.
Flashes slowly Locked
↓
Suspension emergency free switch

Shift the suspension emergency free switch to Emergency.
Flashes slowly Locked
↓
Keep pressing the suspension
free switch for 1 second or more.
Flashes fast Suspension emergency free

Check that suspension up and down operations cannot be
performed.
↓
PTO
－
ON Flashes fast Suspension emergency free
↓
Keep pressing the suspension
free switch for 1 second or more.
Flashes fast Suspension emergency free
↓
Flashes slowly: 0.8 second interval Flashes fast: 0.4 second interval