FLO-DYNAMICS C-VAC3 Complete Service & Maintenance Manual page 28

FIGURE 4-4
Drain Valve
Outlet
FIGURE 4-5
New Machine
Drain Valve
Remove on
Older Machines
Level Switches Waste Tank

1. Drain the used fluid tank

2. Drain any remaining fluid from waste fluid tank by
disconnecting the bottom T-fitting to the Waste Tank
with a 7/8" open-end wrench.

3. Remove top of machine. (refer to Top Sink).

4. Disconnect solenoid valve from vacuum
generator. Use 3/8" open-end wrench to push fitting
in (refer to Service Procedures – Air Solenoid).

5. Unplug all Red Level Switch wires that are
connected to the waste fluid tank (refer to
Troubleshooting – Wiring Diagram.
 6. Disconnect Waste Sight hose with 7/8" open-end
wrench.
Figure 4-6

7. Pull waste fluid tank out of machine, and set on
table, workbench, etc.
8. Remove level switch with 15/16" open-end

wrench.
Figure 4-8

9. Apply thread-sealer, and replace with new level
switch.
Figure 4-9
IMPORTANT: Level switch MUST be inserted with
flap facing the direction shown!
NOTE: The rubber gasket will break-in with time. If
re-mounting the OLD level switch, hand-tighten
first, and then turn one full rotation with 15/16"
open-end wrench. If installing NEW level switch,
we recommended that you use a torque wrench to
tighten the switch to within 11-13 ft/lbs, to prevent
damage to the threads.
.
Figure 4-4
Figure 4-5
Figure 4-7
28