Locks; General; Control Lock - jcb JS300 Service Manual

General

WARNING The slew lock must be engaged when travelling on road or trailer, otherwise the boom could
slew to one side and cause injury or death.
The requirement for controls isolation varies according to local legislation. You must comply with local legislation
at all times. The controls lock is designed to isolate the control(s) in the neutral position.
You must isolate the controls before you travel on public roads.

Control Lock

Isolate the Hydraulic Controls
There are two methods of isolating the machines hydraulic controls:
1. Raise the controls isolation lever.
Refer to: Operation > Locks > Control Lock (Page 59).
2. Push the controls isolation switch.
Refer to: About the Product > Console Switches > Control Locks (Page 17).
If either of the two methods of isolating the hydraulic controls is used, the other method cannot be used to re-
activate the controls.
WARNING! Activate the drive and lift arm isolation switches when you are not operating the machine, to avoid
accidentally operating the controls and causing a dangerous movement of the machine. Before adjusting the
cab environment, e.g. opening the windows or adjusting the seat, you must always isolate the controls by
activating drive and lift arm isolate switches.
Enable the Controls
To enable the machines hydraulic controls:
1. If the controls isolation lever is raised to isolate the controls, lower it to enable the controls.
2. Push the controls isolation switch after lowering the controls isolation lever to enable the controls.
If the controls isolation switch was pushed to isolate the controls, push it a second time to enable the controls.
Controls Isolation Lever
Raise the controls isolation lever to isolate the hydraulic controls. The isolation of the controls is an integral part
of the safety procedure for leaving the cab. Lower the controls isolation lever to enable the hydraulic controls.
59

Locks

9831/1100-2
Operation
Locks
59