Kärcher Windsor Chariot 2 iScrub 20, Operating Instructions Manual

Page: 58 / 167

58
Maintenance
Drive Motor-From Serial Number (4*)
Drive Motor Carbon Brush Replacement
Do not use a pressure washer to clean around the
brush motors. Use tap pressure only.
N’utilisez pas de nettoyeur haute pression pour
nettoyer autour des moteurs des brosses. Utilisez
seulement la pression du robinet.
FOR SAFETY: Before leaving or servicing machine,
stop on a level surface, turn off machine and remove
motor carbon brushes.
1. Open the console cover.
2. Tilt the rear panel back until it stops on the lanyard.
3. Grasp the lower end of the flexible steering shaft
and pull it straight up until it is disengaged with the
hex steering shaft.
4. Remove the cover and gasket at the steering shaft
area.
5. Grasp the drive wheel by reaching under the front
bumper and turn it to near the left steering stop.
6. The drive motor carbon brushes are located under
the metal band. Remove the band to access the 4
brushes.
7. Remove the phillips screw that holds each lead.
Remove the brushes.
8. Install the new brushes and reinstall the band.
9. Replace the gasket and cover, set the drive wheel
straight ahead, set the steering wheel straight
ahead, and gently align the steering shaft coupling
and slide onto the lower shaft.
10. Slowly close the cover and make sure the shaft
slides without binding.
Drive Chain Tension
The drive chain should deflect about 1/4 inch on either
side of the loop when the opposite side is tight.
To adjust chain tension:
1. Remove bumper.
2. Loosen the 1/4” nut behind the idler sprocket.
3. Tighten the front screw to increase chain tension.
4. re-tighten the 1/4” nut behind the idler.
5. Reinstall the bumper.
Transporting Machine
This machine is equipped with a drive gear engage-
ment/disengagement lever.
The brake automatically engages and keeps the
machine from moving whenever the operator stops the
machine.
The drive gear can be disengaged so the machine can
be pushed or towed (slowly).
When the drive gear is disengaged the machine cannot
be driven.
Lever access
Turn wheel to the right and remove internal cover plate.
86398220 Operators Manual - Chariot-2 iScrub 20