Note! Never use a pressure washer to clean your plate compactor. Water can
penetrate tight areas of the unit and cause damage to spindles, pulleys, bearings,
or the engine. The use of pressure washers will result in shortened life and reduce
serviceability.
Checking V-Belts
To ensure optimum power transmission from the engine to the eccentric shaft, the V-belts
must be in good condition and operate under proper tension.
1. Turn off engine. Engine must be cool.
2. Remove the belt guard to access the V-belts.
3. Check the condition of the V-belts. If any V-belt is cracked, frayed, or glazed, it should be
replaced as soon as possible.
4. Check the V-belt tension by squeezing them in the center. The normal deflection on each
side should be 9 mm to 13 mm with moderate pressure from your thumb or finger.
Note! On new machines or after installing a new belt, check belt tension after first
20 hours of operation. Check and adjust belt every 50 hours thereafter.
Tensioning V-Belts
Proper belt tension is critical to good performance. Proper adjustment will assure long belt
life. Too much or too little belt tension will cause premature belt failure.
1. Loosen 4 engine mount bolts (do not remove) only enough to move the engine forward.
2. Loosen the jam nuts B, leaving enough space between the nut and bracket.
3. Push engine toward the back of the plate by turning the adjustment bolts A to remove
any slack in V-belts.
When adjusting the belts, make sure that the clutch pulley is in alignment with
exciter pulley.
4. When the V-belt tension is correct, tighten the jam nuts B against the bracket.
5. Tighten the engine mount bolts.
6. Replace the belt guard.
If the adjustment bolts have no more adjustment left, the belts may have to be
replaced.
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