Operators Manual

Table Of Contents
VP 1340A/VP 1550A Maintenance
wpm_tx001088gb.fm 30
5.15 Troubleshooting
Problem / Symptom Reason / Remedy
Plate does not develop full
speed. Poor compaction.
Engine throttle control not completely open.
Throttle control not adjusted correctly.
Ground too wet, plate sticking. Allow soil to dry
before compacting.
Drive belt loose or worn, slipping on pulleys. Adjust
or replace belt. Check that engine mounting bolts
are tight.
Exciter bearings binding. Check condition and level
of oil in exciter. Add or change oil.
Air filter clogged with dust, reducing engine perfor-
mance. Clean or replace air filter.
Engine speed too low. Check engine speed with
tachometer. Adjust or repair engine to run at correct
speed. Refer to engine manual.
Engine running, no vibration Engine throttle not open.
Drive belt loose or broken. Adjust or replace.
Clutch damaged. Inspect and replace clutch.
Engine speed too low. Check engine speed.
Too much oil in exciter. Adjust oil to correct level.
Plate jumps or compacts
unevenly.
Ground surface too hard.
Shockmounts loose or damaged.