176Service Manual – SC5000 30 - Solution System
Wash Hose Pump (Option)
Although not necessary, it is easier to remove/install the wash pump (A) when the squeegee is removed and
the scrub deck and squeegee lift are lowered.
Lower the Squeegee and Scrub Deck
1. Remove the squeegee assembly from the squeegee
lift.
2. Turn the machine on and press the vacuum button
and scrub button. The scrub deck and squeegee lift
will lower to the oor.
3. After they have lowered, press the emergency stop
button. This will cause the vacuum to turn off, but
the scrub deck and squeegee lift will remain lowered.
4. Raise the operator seat and disconnect the battery
connector.
5. Close the shut off valve at the bottom of the solution tank.
Remove/Install the Pump
6. Note that the tube from the solution tank (B) is connected below the pump body and the tube to the
sprayer (C) is connected above the body, then disconnect both tubes from the pump.
7. Disconnect the wash pump electrical
connector from the X76 connector of the
main harness (D).
8. Loosen and remove the four screws (E) and
washers (F) that secure the pump (A) to the
chassis.
9. Connect the electrical connector of the new
wash pump to the X76 connector of the main
harness (D).
10. Use the four screws (E) and washers (F)
from step 7 to secure the new pump to the
chassis.
11. Check that the two tubes for the pump are undamaged and can be reused. If either is damaged, replace
it. Use the instructions in the wash hose kit to reroute new tubing if needed.
12. Connect the two tubes to the new pump in their correct locations as noted in step 6.
13. When new parts are all connected, open the solution tank shutoff valve, moving the valve handle toward
the lter.
14. Reinstall the squeegee assembly on the squeegee lift.
15. Reconnect the battery connector and start the machine.
16. Test the wash hose system and check for uid leaks.
A
B
A
C
D
E F
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