The Wacker WP1540 and WP1550 plate compactor is a popular model. DHS Equipment is the leading online dealer for Wacker parts, with more than 25 years of Wacker experience. We wanted to share with you the most common issues we troubleshoot regularly.

Plate does not develop full speed or has 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 performance. Clean or replace air filter
• Engine speed too low. Check engine speed with tachometer. Adjust or repair engine to run at correct speed

Engine is running, but 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