Ditch Witch JT1220 - Manual (Page 31)

Controls - 30
JT1220 Mach 1 Operator’s Manual
Left Control Console
CMW
Drilling/Operation Controls
1. Engine throttle switch
2. Drilling fluid pressure gauge
3. Thrust pressure gauge
4. Rotation pressure gauge
5. Remote engine start switch
6. Audible alarm
7. Console/Work light switch
8. Fluid pump indicator
9. Fluid flow control
Item Description Notes
1. Engine throttle switch To increase speed, press top.
Return switch to center when
desired speed is reached.
To enable auto throttle mode,
press top and leave switch in
top position.
To decrease speed, press
bottom.
To disable auto throttle mode,
return switch to center after
desired speed is reached.
Auto throttle mode slows the engine
to low throttle after 15 seconds of
inactivity involving thrust, rotation,
drilling fluid flow, or pipeloader
functions. To return to high speed,
activate thrust, rotation, drilling fluid,
or an add/remove cycle.
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