Trouble Shooting Guide - Pig DRM652 / 7848 Manual

Hydraulic pump runs, but ram will not move.
• Low air pressure - Air pressure should be between 80 PSI and 120 PSI.
• Hydraulic fluid is low - Use a medium weight hydraulic fluid and fill to within 1" of the top of filler hole
with the ram in the up position.
• Water and dirt in the air supply - Drain water and clean filter bowl. Add a small amount of air tool oil or
light weight machine oil to the air line.
• Up and down lever is not fully engaged - Make sure lever is moved completely to the up or down position.
• Breather cap on the hydraulic pump is closed - Open cap.
Waste pump runs, but will not pump.
• Check hoses for obstructions.
• Check filter screen and clean.
Pump will not run.
• Check air supply.
• Add a small amount of air tool oil or light weight machine oil to the air line.
Hydraulic pump will not run.
• Check air supply - Air pressure to unit should be between 80 psi and 120 psi.
• Water and dirt in the air supply - Drain water & clean filter bowl. Add a small amount of air tool oil or
light weight machine oil to the air line.
• Safety cover micro is not fully engaged - Make sure it is fully closed.
• Safety cover micro is out of alignment - Adjust micro so it is fully engaged when cover is in the closed
position.
• Tilt micro is not fully engaged - Make sure the compactor is in the upright position and the locking pins are
fully extended and depressing the micro.
• Tilt micro is out of alignment - Adjust micro so it is fully depressed when compactor is in the upright
position and the locking pins are fully extended.
Loose Ram Plate
• Ram plate is loose - Run the compactor empty to full extension of hydraulic cylinder. Allow unit to build
full pressure, this will lock the cylinder in place so it can be tightened or removed.
CAUTION: Loosen set screw before attempting to tighten or remove ram plate.

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