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MP70
6
Troubleshooting
Problem
Plate does not
develop full speed.
Poor compaction.
Engine running, no
vibration.
Plate jumps or
compacts unevenly.
wpm_tx003788gb.fm
Cause
•
Engine throttle control not
completely open.
•
Throttle control not adjusted
correctly.
•
Ground too wet, plate sticking.
•
Drive belt loose or worn, slip-
ping on pulleys.
•
Exciter bearings binding.
•
Air filter clogged with dust,
reducing engine performance.
•
Engine speed is too low.
•
Engine throttle not open.
•
Drive belt loose or broken.
•
Clutch damaged.
•
Engine speed is too low.
•
Too much oil in exciter
•
Ground surface too hard.
•
Shockmounts loose or
damaged
Remedy
•
Allow soil to dry before
compacting.
•
Adjust or replace belt.
•
Check that engine mounting
bolts are tight.
•
Check condition and level of oil
in exciter.
•
Check engine speed with
tachometer.
•
Adjust or repair engine to run
correctly speed. Refer to
engine manual.
•
Adjust or replace the drive belt.
•
Inspect and replace the clutch.
•
Check engine speed.
•
Adjust oit to correct level.
•
Inspect and replace the
shockmounts.
29
Troubleshooting
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