For maximum burner efficiency, adjust bands closed until burner emits dark smoke; slowly
NOTE:
open until exhaust clears.
9.7.2
If air adjustment fails to provide proper exhaust, Inspect for dirty, loose or worn burner nozzle
or excessively sooted coil. Clean and/or replace as necessary,
Flow Switch Adjustment (Reference Figure XIII, Page 44)
9.8
The Flow Switch, item 1 , monitors adequate water supply to the Water Pump, In the event of inade-
9.8.1
quate or loss of water supply, the switch will "open" and shut down the burner system.
The Flow Switch is factory set and should require no further adjustment, Should, for any reason,
9.8.2
the switch require adjustment, turning the adjusting screw clockwise increases water flow required
to actuate Burner System; counter-clockwise decreases required water flow.
Bypass Valve Adjustment (Reference Figure XV, Page 46, & Figure XXV, Page 56)
9.9
9.9.1
The Bypass Valve, 415-15-01, is designed to recycle the water pump's capacity back to the pump intake
whenever the Cleaning Gun "on-off" Valve is closed, Since water ceases to flow through the Flow
Switch, burner operation Is terminated along with soap solution flow if Soap Metering Valve is
open.
The Bypass Valve, item 30. is factory set to be fully open at 165 to 185 PSI and should not require
9.9.2
further adjustment.
To adjust valve, loosen lock nut and turn stem clockwise to increase bypass pressure; turn counter-
9.9.3
clockwise to decrease bypass pressure,
Over-Temperature Safety Switch (Reference Figure XXV, Page 56)
9.10
9.10.1 The Over-Temperature Safety Switch, item 27, is located on the outlet side of the coil just upstream
of the steam hose discharge port and is designed to terminate burner operation in the event the
solution discharge temperature exceeds design limits,
9.10.2 This switch is factory set and is non-adjustable and is wired in series with the Flow Switch, item
29 . If it malfunctions, it must be replaced,
Preparing Cleaner for Storage or Reshipping (SEE
9. 11.1 Drain unit as per instructions in paragraph 7.5, items A through I.
9. 11.2 Drain Hater Supply Hoses, items 33 and 34 , Steam Hoses, items 25 and 27 , and seal fittings with suit-
able tape to protect treads and coil with at least three string ties 120 apart. Stow and secure on
hose racks.
9. 11.3 Secure Nozzle(s), items 1 , 2 , 3 , or 4
onto Cleaning Gun, item 5, and the balance in their
respective storage receptacles. Drain and stow Cleaning Gun, item 5,across front or rear hose racks
and tie securely.
9. 11.4 Coil and string tie as in Paragraph 9.11.2 Electric Supply Cable, item 16 , and stow and secure on
available stowage rack.
9. 11.5 Cover with suitable tape, pipe plug or cap all exposed fittings, i.e. , Float Valve Connector, item 32
and Steam Hose Port, item 14 , and tape shut Soap Tank Port Cover, item 8 and Vent Stack Cover,
item 11
9.11.6 If storing, cover with tarpaulin or other suitable protective cover. If reshipping, it is recommen-
ded the unit be recrated in original shipping container or in crate conforming to either I.C.C.
Regulations or Mil-Std. 1188A (Commercial).
.
9.11.7 The Cleaner, when properly drained for storage, will store without damage in a temperature range of
minus 65 Fahrenheit (F) to plus 150 Fahrenheit (F).
