How-To Blogs & Videos
Troubleshooting Tips for Belt Driven Units
Troubleshooting ChartNote: Troubleshooting problems may have similar causes and solutions.
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Excessive current draw trips circuit breaker of motor reset switch
Low voltage/motor overload
Drive belt too tight
Restricted air passages
Check that power supply is adequate and that compressor is on a dedicated circuit. If using extension cord, t
…
Jul 6, 2021
Valve Reassembly Guide
Emglo/Rol-Air/Quincy/Jenny Hand Carry Pump FAQ Valve Reassembly There are supposed to be 2 reed valves sandwiched between the heads. It is easy to get these mixed up. The valve plate is situated diagonally across the cylinder. The valve that is on the air filter side should push down when looking from the top and the valve on the supply tube side should push up from the bottom so that air will travel thru the head into the supply tube to your tank. Follow the pictures below for reassem
…
Jul 5, 2021
VT Pump Check Valve Instructions (VT4923 & VT4823)
VT style pumps w/ 2 air lines in head
These instructions are if your old pump had 2 air lines in the head; one for the air going to the tank and one going to the unloader on the side of your pressure switch. The new style pump only has 1 air line hole in the pump head which supplies air to your tank. To be able to make your motor start easier, the head pressure must be relieved from the large air line to your tank prior to each cycle that your motor comes on. To do this, you must
…
Jul 4, 2021