Advance Floor Sweeper Tigercat 4500 - 463408

Prepare for hydraulic oil testing

Open the engine cover, disconnect the battery terminals and remove the battery from the machine

Position a large oil container (not more than 24 inches high) against or just below the machine’s rear bumper, behind the battery tray

Loosen fittings 'A', 'B' and 'C'

Remove fitting 'A' from the pump and quickly move the hose against the top of the rear bumper

Reposition the fittings on the hose so the oil drains neatly into the drain container(s)

Flush all contamination out of the tank

Drain cooling system using drain valve 'A'

Disconnect the electrical connector and the vacuum hose from Ignition controller 'B'

Disconnect hose 'C' from the water pump

Disconnect hose 'D' from the top of the radiator

Radiator and Bearing Block Removal

Remove the 'E' bolts from grill panel 'F'

Pull the back side of the radiator away from the machine and backward to work the radiator assembly out of the machine

Loosen the bolts holding bearing block 'G'

Initial Inspection and Preparation

Inspect the belt between the lower and upper impeller shafts

Upper Impeller Belt Replacement

Drain the cooling system using drain valve 'A'

Disconnect the electrical connector and vacuum hose from ignition controller 'B'

Disconnect hose 'C' from the water pump

Disconnect hose 'D' from the top of the radiator

Park the machine outside or near a floor drain

Loosen the clamp holding the squeegee hose onto the recovery tank

Pour water down the hose to back-flush the squeegee hose

Reach into the recovery tank inlet tube and remove any built-up dirt

Remove the cover from the impeller muffler and remove any debris

Drive the machine to an area with a level floor and set the parking brake

With the engine still running, put the broom switch in the ON position and the main broom lever in the SWEEP position

Let the main broom run for about 1 minute to polish a strip on the floor

Release the parking brake and move the machine to make the polished strip visible

Measure the width of the polished strip on the floor

Is the polished strip 2-1/2 inches (6.3 cm) wide?

Remove the panel from the left side of the operator’s compartment to access the broom adjustment knob

Adjust the broom adjustment knob

Turn the broom adjustment knob clockwise to make the polished strip wider