175Service Manual – SC5000 30 - Solution System
Detergent Pump
The detergent pump is located in the front right corner of the battery compartment, below the operator’s
seat, the EcoFlex bottle, and the bottle support bracket.
1. Remove the feed tube (A) from the detergent bottle (B), then lift the
bottle out of the support bracket (C).
2. The bottle support bracket is secured with a screw and washer in
a threaded insert at the bottom, center of the bracket. Remove the
screw and washer then remove the bracket.
3. Disconnect the pump inlet tube (D) from the pump (E) and set it
aside, then disconnect the outlet tube (F), that passes down from
the pump to the scrub deck.
4. Note which wire is connected to which pump terminal (the wire
colors should match the table below) then disconnect the wires from
the pump and remove the pump.
Positive Negative
Brown/Red Brown/Gray
During replacement, note the electrical and uid polarity as shown below.
Outlet
Inlet
Negative (–)
Positive (+)
D
F
E
5. Position the new pump into the bottle space and connect the wiring to the pump as noted above.
6. Check that the inlet and outlet tubing are undamaged and can be reused. If either is damaged, replace
it.
7. Connect the two tubes to the new pump at their correct connections as
noted above then place the pump at the bottom of the bottle space as
shown at right.
8. Replace the support bracket and fasten it with the screw and washer.
9. Replace the bottle in the support bracket and reinsert the feed tube (A)
then tighten the cap.
A
B
C
F
E
D
Pump
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