Issue 1
Page 17 of 34
Initial Issue 19 December 2017
Engineering Manager
11.8 Rail Drive Acknowledge Interlock
The machine will only travel on rail with the drive acknowledge switch pressed. This interlock prevents
the machine from travelling should the operator become incapacitated. The light in the switch will
illuminate when the switch is activated and the rail systems is correctly set for travel.
Figure 3 - Rail Drive Acknowledge Interlock
11.9 Rail Travel
To travel on rail select the rail drive switch and the Drive Acknowledge switch then has to be pressed
and held down. Simultaneously push and hold the travel lever into the forward position to initiate
forward travel or pull it back for reverse travel.
11.10 Low Speed Selector
To operate the low gear selector the gear switch has to be pressed and held in. Simultaneously push
and hold the travel lever into the forward position to initiate forward travel or pull it back for reverse
travel.
Note: In rail mode, the machine will have a top speed of 5mph in normal mode and 2mph in low gear
mode.
Crawler Tracks
Lever
Rail Drive
Acknowledge
Switch
Engine Revs
Lever
12V Aux Socket For
Comms
