Shut-Down Procedure - Waterous 80-P Operation Manual

G. Shut-Down Procedure
1. Close air valve(s)
2. Turn off Foam proportioner
3. Flow clear water through discharge hose(s) until no bubbles are present
4. Close discharge valve(s)
5. Move Auto-Sync controls to AUTO / UNLOAD
6. Move the air compressor PTO switch to the "OFF" position
After the compressor PTO is disengaged, the system will vent itself, creating an audible hiss as
compressed air is evacuated from the pressure vessel / sump.
CAUTION:
F-1031, Section 2416
Allow system to bleed down the pressures for approximately 2-3 minutes prior to re-
engaging. Otherwise, re-engagement may cause engine to stall.
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