Nilfisk-Advance 56397010 Service Manual

26 - FORM NO. 56043056 ConvertaMAX™ 20/26 / BA 550/650SCRUB BRUSH SYSTEMFRONTTSX UZWYLCCNOMAABBOMQPRVFRONTMODEL CONVERTAMAX™ 26/BA 650 SCRUB DECK REMOVAL1 Follow steps 1-3 in the Scrub Deck Removal section for the ConvertaMAX™ 20.2 See Figure 3. Remove the Solution Delivery Tube (L) at the solution solenoid valve.3 Remove the hardware items (M, N, O, P, & Q) from the brush head Support Brackets (R) and lift linkage arms.4 Remove (Qty 1) item (S) Hairpin and the Mount Pin (T) from the (upper) scrub head lift linkage.5 Pull the scrub head forward 12 inches (30 cm) to access the motor wiring terminal block.6 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 correctwiring for both the left and right scrub brush motors.MODEL CONVERTAMAX™ 26/BA 650SCRUB BRUSH MOTOR/GEARBOXREMOVAL1 Follow steps 1-6 in the Model ConvertaMAX™ 26/BA650 Scrub Deck Removal section.2 Turn the brush deck over, top of the motors down.3 Remove the scrub brushes from the brush holders thenmark the location of the motor to the brush deck for properre-assembly.4 See Figure 3. Remove the (3) (U) Hex Screws and (3) (V)Nuts from each Flexible Coupler (W).5 Next remove the (3) Hex Lock Screws (X) that connectthe coupler to the Drive Hubs (Y) and remove the brushholder(s) (Z).6 Remove the hardware items (AA & BB) that secure theHub (Y) to the output shaft on each gearbox. Then pullthe hub from the shaft and save the key.7 Remove the (4) (CC) Screws and separate the motor/gearbox assembly from the scrub deck that needs re-placement.8 Re-assemble in reverse order and test for proper opera-tion. Note: Apply a small amount of grease or a productcalled “Never Seize” to the gearbox output shaft whenreinstalling the Drive Hub(s) (Y).FIGURE 3revised 9/01