High-Tech hydraulic tow truck wheel lift

Quality Assurance: 5 years for structural parts 2 years for hydraulic and electrical parts 1. Motor does not operate: A. Breaker or fuse blown. B. Motor thermal overload tripped. Wait for overload to cool. C. Faulty wiring connections; call electrician. D. Defective up button call electrician for checking. 2. Motor functions but lift will not rise: A. A piece of trash is under check valve. Push handle down and push the up button at the same time. Hold for 10-15 seconds. This should flush the system. B. Check the clearance between the plunger valve of the lowering handle. There should be 1/16". C. Remove the check valve cover and clean ball and seat. D. Oil level to low. Oil level should be just under the vent cap port when the lift is down!!! 3. Oil blows out breather of power unit: A. Oil reservoir overfilled. B. Lift lowered too quickly while under a heavy load. 4. Motor hums and will not run: A. Impeller fan cover is dented. Remove cover and straighten. B. Faulty wiring...….... call electrician C. Bad capacitor...….. Call electrician D. Low voltage........... Call electrician E. Lift overloaded. remove excessive weight from lift 5. Lift jerks going up and down: Air in hydraulic system. Raise lift all the way to top and return to floor.Repeat 4-6 times.Do not let this overheat power unit. 6. Oil leaks A. Power unit : if the power unit leaks hydraulic oil around the tank-mounting flange check the oil level in the tank. The level should be two inches below the flange of the tank. A screwdriver can be used as a “dipstick”. B. Rod end of the cylinder: the rod seal of the cylinder is out. Rebuild or replace the cylinder. C. Breather end of the cylinder: the piston seal of the cylinder is out. Rebuild or replace the cylinder. 7. Lift makes excessive noise. A. Leg of the lift is dry and requires grease.