VACUUM SYSTEM
TigerCat, Hydro-Retriever 4500
Service Manual
5
Locate the gray/white wire connected to the down limit switch.
Measure voltage between this wire and the frame of the machine, with the key switch on and the squee-
gee switch (on the dashboard) in the down position.
12 volts - replace the down limit switch
0 volts - go to step 6.
6
Raise the hopper and pull the connector plug off the squeegee switch (on the dashboard).
Measure voltage between the yellow/green wire and the frame.
12 volts - replace the squeegee switch.
0 volts - go to step 7.
7
Locate the orange wire connected to the reverse switch (located in the engine compartment, next to the
propulsion pump).
Measure voltage between the orange wire and the frame.
12 volts - replace or adjust the reverse switch.
0 volts - look for a defect in the orange wire, between fuse F5 (see Figure 12) and the reverse switch.
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SQUEEGEE LIFT SYSTEM TROUBLESHOOTING (continued)
60
