Unit will gradually come up to operating pressure, approximately 80-100 PSI. Unit is now in full
Adjust (close) Gauge Dampener Valves, items 15 , and 23, until excessive gauge needle vibration is
Secure steam gun and turn off Burner `ON-OFF' Switch, item 5, and close Soap Metering Valve,
Continue to run water pump until cool solid water flows from steam gun nozzle.
Turn Pump Switch, item 6 , and Circuit Breaker, Item 8, to the "off'" position.
Turn water supply to the unit OFF.
In freezing or extremely cold weather, the unit must be drained thoroughly when not in use as follows:
Remove Cleaning Hose and Gun, items 32 & 39 , and drain for storage. Caution - Be sure cleaning
gun valve is open before removal to bleed off any trapped pressure and to facilitate draining
after removal . Turn on water supply,
Remove Front Machinery Panel, item 14, and close both Soap Metering Valve, item 20, and Soap
Tank `Fill-Mix' Valve, item 27, and turn on Pump Switch, item 6 .
MAKE SURE NO PERSONNEL ARE WITHIN A TEN (10) FOOT RADIUS FROM HOSE DISCHARGE PORT SIDE
Turn on Burner Switch, item 5, and observe discharge from a secure position. When steam or
flashes of steam appear at Hose Discharge Port, Item 11, close Blowdown Valve, item 18, and
depress Pushbutton Switch, item 16, for not longer than one minute, or until dry steam appears
from hose discharge port.
Turn off Pump Switch, item 6, wait until all steam ceases emerging from Hose Discharge Port,
item 11. Turn on Pump Switch, item 6, and depress Pushbutton, item 16, for not longer than
30 second, to 45 seconds. Turn off Pump Switch, item 6,
Procedure `O' may have to be repeated a few times until all condensate in coils has been
dried up (no steam from hose discharge port), Allow 5 minutes between repeated pro-
Turn off Burner Switch, item 5. Remove Soap Tank Overflow-Drain Stand Pipe, iterm 1 . Remove
pump Discharge Manifold Drain Plug, item 17, Blowdown Port Plug, item 10, and Auxiliary water
Source Port Plug, item 13. Remove and drain for stowage Water Supply Hose, item 37, or 38.
Turn on Pump Switch, i tern 6 , and allow to run until it gulps air (runs dry). Turn off
Pump Switch, item 6 . Fully open Soap Tank Fill & Mix Valve, item 27, Soap Metering Valve.
item 20, and Blowdown Valve, item 1B.
Allow unit to drain,
Never operate water pump when dry to avoid excessive wear of cups and/or scoring of
To fully protect water pump it is advisable to remove discharge manifold, drain and wipe (or
blow) CYlinders dry, and reinstall (See Servicing the Water Pump, page 25).
When completely drained, reinstall blowdown port plug and auxiliary water source port plug.
open Gauge Dampener Valves fully, items 15 & 23, and open Airdome Drain Valve, item 22.
If auxiliary intake hose has been used, drain for stowage. If unit is to be stored for long
periods or for transportation, drain fuel tank by removing Drain Plug, item 19.
If frequent usage is required during freezing temperature the entire system can be
charged with a 50% solution of permanent type anti-freeze through the cleaner's auxiliary
hose port system. The anti-freeze solution can be reclaimed and used again as required
through the use of a suitable container, i.e., 50 gallon drum.