Ditch Witch MR90 - Manual (Page 25)

Controls - 24
MR90 Operator’s Manual
Power Unit
CMW
®
7. Coolant temperature
indicator Lights when engine coolant
temperature is over 275°F
(135°C).
Also, lights briefly when
engine is started.
If light remains on:
• Turn off engine and let unit cool.
• Check fan belt tension.
• Check for low coolant level.
• Check cooling fins for dirt and
debris.
8. Hydraulic fluid
temperature indicator Lights and alarm sounds
when hydraulic fluid is
overheating. Check hydraulic fluid level.
Reduce load.
Ensure oil cooler is clean.
9. Glow plug indicator Lights when cold start button
is pressed.
10. Hourmeter Displays engine operating
time. Hourmeter runs when ignition switch
is on.
Use these times to schedule service.
Item Description Notes
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