Karcher BRS 43/500 C Operating instructions 2 - Page 14

Brush Cleaning And Maintenance, Motor Replacement & Grooved Belt, Tensioning

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Maintenance Brush Cleaning And Maintenance After each session of carpet cleaning, the brushes and the brush housing should be cleaned. Before cleaning or changing the brushes, always unplug the machine from the power supply. Brushes are removed without tools. After handle is in locked position, tilt the machine back and rest on handle. To release brush from spring clip pull spring clip away from brush end cap. Lift brush out of machine. The brushes may be soaked in warm or hot water using mild detergent, and then rinsed with warm water. NOTE: Brushes with crushed bristles can often be restored to original condition by soaking in hot water. Keep brushes clean and free from debris. Rotate brushes after every use as this will increase the life span of the brushes and ensure even wear. Before reinstalling brushes, clean out machine brush housing and hopper by wiping with a clean damp cloth. Motor Replacement & Grooved Belt Tensioning 1. Disconnect machine power supply. 2. Detach quick disconnect hose from top of solution tank. 3. Remove elastic straps and solution tank. 4. Remove two dome screws and dome assembly. DOME NOTE: All directions mentioned in this manual are from the operator's point of view. 6. Mark left and right on the lift cams. 7. Remove the two cam bolts. This will also free the lift cams. NOTE: There are four plastic bushings that the handle pivots on, leave them on the motor clamps. RIGHT SIDE LIFTING CAM RIGHT LIFTING CAM LEFT LEFT SIDE 8. Remove the handle assembly. 9. Unscrew the wiring grommet from the main cover, and set retaining bracket and screw aside. 10. Remove the front and back screws and move the main cover to the side. NOTE: The handle assembly and cover are still attached to the frame by wiring. Be careful not to pinch wiring when reassembling. 11. Remove the (2) plastic finger guards. 12. Mark the tension set screws for reference when reassembling. CIRCUIT BREAKER & BOOT WIRING GROMMET COVER MOTOR CLAMP LIFT BRACKET MOTOR 5. Remove the circuit breaker boot and push the circuit breaker clear of cover. PLASTIC FINGER GUARD (2) 14 86338690 BRS 43/500 C

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14
86338690 BRS 43/500 C
Maintenance
Brush Cleaning And Maintenance
After each session of carpet cleaning, the brushes and
the brush housing should be cleaned. Before cleaning
or changing the brushes, always unplug the machine
from the power supply.
Brushes are removed without tools. After handle is in
locked position, tilt the machine back and rest on
handle. To release brush from spring clip pull spring clip
away from brush end cap. Lift brush out of machine.
The brushes may be soaked in warm or hot water using
mild detergent, and then rinsed with warm water.
NOTE:
Brushes with crushed bristles can often be
restored to original condition by soaking in hot water.
Keep brushes clean and free from debris. Rotate
brushes after every use as this will increase the life
span of the brushes and ensure even wear.
Before reinstalling brushes, clean out machine brush
housing and hopper by wiping with a clean damp cloth.
Motor Replacement & Grooved Belt
Tensioning
1.
Disconnect machine power supply.
2.
Detach quick disconnect hose from top of solution
tank.
3.
Remove elastic straps and solution tank.
4.
Remove two dome screws and dome assembly.
5.
Remove the circuit breaker boot and push the
circuit breaker clear of cover.
NOTE:
All directions mentioned in this manual are
from the operator’s point of view.
6.
Mark left and right on the lift cams.
7.
Remove the two cam bolts. This will also free the
lift cams.
NOTE:
There are four plastic bushings that the
handle pivots on, leave them on the motor clamps.
8.
Remove the handle assembly.
9.
Unscrew the wiring grommet from the main cover,
and set retaining bracket and screw aside.
10.
Remove the front and back screws and move the
main cover to the side.
NOTE:
The handle assembly and cover are still
attached to the frame by wiring. Be careful not to
pinch wiring when reassembling.
11.
Remove the (2) plastic finger guards.
12.
Mark the tension set screws for reference when
reassembling.
DOME
COVER
CIRCUIT BREAKER
& BOOT
WIRING GROMMET
LIFTING CAM
LIFTING CAM
LEFT
RIGHT
LEFT SIDE
RIGHT SIDE
LIFT BRACKET
MOTOR CLAMP
MOTOR
PLASTIC FINGER
GUARD (2)