Initial Flush
9. Switch the water valve on the tool to the on position and allow the water to flow through the oil cooler for 10 seconds to remove the supply of transmission fluid in the system.CAUTION: If water does not flow through the oil cooler (system is completely plugged) do not continue flushing procedure. Turn the water off immediately and inspect the pipes and cooler for restriction. Replace the oil pipe (s) and/or cooler according to the Service Manual.
10. Switch the water valve on the tool to the off position and clip the discharge hose onto a five gallon pail with a lid or position a shop towel over the end of the discharge hose to prevent splash. Discharge will foam vigorously when solution is introduced into water stream.
11. Switch the water valve on the tool to the on position and depress the trigger to mix flushing solution into the water flow. Use the bale clip provided on the handle to hold the trigger down.
12. Flush oil cooler with water and solution for two minutes. During this flush, attach the air supply to the air valve located on plumbing of tool for 3 to 5 seconds at the end of every 15-20 second interval to create a surging action.
CAUTION: Shop air supply must be equipped with a water/oil filter and not exceed 825 KPA (120 PSI).
13. Release the trigger and switch the water valve on the tool to the off position.
14. Disconnect both hoses from the oil cooler pipes.