Nilfisk-Advance 56314019, Service Manual

Page: 47 / 82

RECOVERY SYSTEM
FORM NO. 56043089 / AquaRide
™
/ BRX 700 - 45
VACUUM MOTOR(S) REMOVAL
1 See Figure 3. Remove the vacuum duct Cover (C) that is secured to the recovery tank by a qty of (6) Screws (B).
2 Separate the wiring harness from each motor and lift motor(s) out from their mounting cavity.
3 Inspect all the vacuum/recovery system Gaskets, (items E, F, G & H) also clean the vacuum motor(s) Foam Filters (I, J & K), Screens (L) and
Exhaust Hoses (M).
4 Inspect the carbon motor brushes, if less than 3/8” (10mm) in length replace.
* Service Note: The hinged Tank Cover (D) can easily be separated from the vacuum Duct Cover (C) by removing the slotted Pin (N) (by using a
fl at bladed screwdriver).
RECOVERY TANK REMOVAL
1 Drain both the solution and recovery tanks by using the system drain hoses.
2 See Figure 3. Loosen the hose clamps for both the small and large solution Hoses (O) & (P) (location bottom backside of tank) then remove
the hoses from their tank fi ttings.
3 Separate the vacuum Hose (Q) from the Y-shaped vacuum system Hose Assembly (R) (located inside the right rear wheel).
4 Pull the solution system vent Hose (S) off from the barbed elbow connected to the recovery tank.
5 Swing open the operator seat platform (set the prop rod) and pull apart the vacuum motors’ harness connector (located left rear of battery
compartment).
6 Open the hinged recovery tank Cover (D) and grip the top inside edge of the tank bladder and pull straight up to complete the tank’s separation
from the machine’s solution tank/chassis assembly.
7 Next guide the tank off the rear of the machine supporting the tank on its left corner to prevent crushing of the vacuum hose, then lay it down
onto the fl oor. Note: There is some weight to the tank assembly. Be careful when lifting it off ask for an extra helper to assist.