
4. Connect the impact wrench to the air supply and cover the exhaust port with a towel (See Figure 1). Run the impact wrench in both the forward and reverse directions for 20 to 30 seconds. Oil will discharge from the exhaust port when air pressure is applied. Impact Mechanism Lubrication. The impact mechanism should be lubricated monthly. ! WARNING ! DISCONNECT THE IMPACT WRENCH FROM THE AIR SUPPLY BEFORE LUBRICATING. 1. Disconnect the impact wrench from the air supply. 2. Remove the allen head