Nilfisk-Advance BRX 700 Service Manual

Also see for 56314019: Instructions for use

Contents

32 - FORM NO. 56043089 / AquaRide ™ / BRX 700SCRUB BRUSH SYSTEMSCRUB BRUSH MOTOR(S) REMOVAL1 See Figure 4. Remove the Belt Guards (W) (4 screws per side). With an operator in the driver’s seat with the key switch ON and the maintenancemode scrub function selected press the drive pedal to start the scrub brushes and observe which brush motor needs to be removed.WARNING!Disconnect the battery pack by activating the emergency stop switch/battery disconnect lever (13) before servicing.3 Next loosen the scrub brush belt tension Hex screw in the center of the Belt Idler (X) (using 5/8” & 11/16” wrenches).4 Remove the wiring at both the Pos. & Neg. brush motor terminal studs and note the correct wiring connections (for reinstallation). Then removethe (3) Screws (Y) and lift the motor out from the scrub deck.5 Reassemble in reverse order and adjust the belt tension to 3/4 - 7/8 inches (19-22 mm) as shown in Figure 5. Note: Install motors with wirespointing to the rear towards the plastic motor wiring standoffs.SCRUB BRUSH BELT REPLACEMENTWARNING!Disconnect the battery pack by activating the emergency stop switch/battery disconnect lever (13) before servicing.1 See Figure 4. Remove the belt guard(s) (W) (4 screws each).2 Important Service Tip: The left and right side drive belts are not the same lengths they must be ordered individually (P.N. 56407465, left side& P.N. 56407466, right side). Note: Single brush machine uses P.N. 56407465.3 Loosen the scrub brush belt tension hardware on the Belt Idler Pulley (X) (using a 5/8” & 11/16” wrench). Pull the idler wheel away from thebackside of the belt and roll the belt off both the motor and brush pulleys. Then inspect for wear and replace as needed.4 Re-install the drive belt and tension the belt as shown in Figure 5. Then install the belt guard, reconnect the battery pack and test the scrubsystem for proper operation.FIGURE 4*Rotation of shaft from shaft end.FRONTXZ XWZWYYCCW *CCW *Right sidebelt