Ditch Witch JT20 - Manual (Page 43)

Controls - 42
JT20 Operator’s Manual
Left Control Console
CMW
®
Item Description Notes
1. Engine throttle switch To increase speed, press top.
Return switch to center when
desired speed is reached.
To enable autothrottle mode,
press top and leave switch in
top position.
To decrease speed, press
bottom.
To disable autothrottle mode,
return switch to center after
desired speed is reached.
Autothrottle 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.
2. Drilling fluid pressure
gauge Displays drilling fluid pressure
supplied by drilling fluid
pump.
3. Thrust pressure gauge Displays hydraulic fluid
pressure to thrust motor
during thrust and pullback.
Estimates thrust and pullback
force on lines outside gauge.
4. Rotation pressure
gauge Displays hydraulic fluid
pressure to rotation motor
when spindle is turned
clockwise.
Estimates rotational torque on
lines outside gauge.
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