SQUEEGEE SYSTEM 27Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855Squeegee Lift Actuator Replacement - Advenger / BR 755, 855CAUTION!The Recovery Tank is heavy and care should be taken in removing it. Two people recommended, or battery roll-out unit.1 Lower the squeegee tool to the floor and then disconnect the battery pack at the red Anderson connector in the battery compartment.2 Drain the recovery tank using the Recovery Tank Drain Hose (31).3 Disconnect the squeegee hose from the squeegee tool and remove the tool from its mount.4 Lift up the seat and unplug vacuum motor (and warning beacon if equipped) connectors located in battery compartment.5 Open the hinged recovery tank cover and grip the top inside edge of the tank, then pull straight up to free it from the solution tankplatform. Guide the tank off the rear of the machine to the floor.6 See Figure 9. From the back of the machine, remove the Retainer Ring (A) securing the lift cable Pin (B) and separate the pin andcable from the motor drive tube housing and chassis mounts. Note: Don’t lose the two plastic cable spacers positioned in motor drivetube.7 Locate the wire tie that attaches the motor wiring to the chassis and then disconnect the motor harness8 From underneath the machine remove the Hairpin (C) securing the lift motor Pin (D) and disassemble the motor from the chassismount. Then pull the motor towards the machine front to remove it completely.NOTE: New replacement lift actuator motors do not come with the lift nut pre-adjusted.Follow the “Squeegee Lift Actuator Drive Nut Adjustment” procedure using 56407502 Actuator Power Cord Adapter to set the new liftactuator to the correct settings:9 When finished, reassemble in reverse order.FIGURE 9
