Nilfisk-Advance 56397010 Service Manual

FORM NO. 56043056 ConvertaMAX™ 20/26 / BA 550/650 - 25SCRUB BRUSH SYSTEMAFRONTCBEDAEBDCFGHK JISolutionDelivery TubeMODEL CONVERTAMAX™ 20/BA 550 SCRUB DECK REMOVAL1 Disconnect battery connector assembly in the battery compartment.2 Remove the brush head cover (held in place by 5 screws).3 Lower the brush deck to the floor with a brush installed.4 See Figure 2. Remove the solution delivery hose at the scrub deck solution tube.5 Remove the hardware items (A,B,C,D & E) from the brush head brackets and lift linkage arms. Note: Do not loose the removable lift arm bushings.6 Remove (Qty 2) item (F) Hairpins and the (2) (G) Mount Pins from the (upper) scrub head lift linkage.7 Pull the scrub head forward 12 inches (30 cm) to access the motor wiring terminal block.8 Remove the motor wiring at the terminal block and then pull the brush head assembly completely from the machine. Note: See Figure 4 for the correct wiringfor the single scrub brush motor.FIGURE 2SCRUB BRUSH MOTOR/GEARBOX RE-MOVAL CONVERTAMAX™ 20/BA 5501 Follow steps 1-8 of the Scrub Deck Removal sectionabove.2 Turn the brush deck over, top of motor down.3 See Figure 2. Remove the Hex Hd Screw (H) from themotor output shaft and then pull the Clutch Plate (I) anddrive plate lug assembly (K) off from the shaft. Note: Donot loose the shaft key.4 Mark the location of the motor to the brush deck for properre-assembly.5 Remove the (4) (J) Hex Hd Screws securing the motor tothe brush deck and separate.revised 9/01