Page 7
Ambassador Jr.
3. The vacuum lid assembly should be properly seated on the recovery tank for proper vacuum
recovery.
4. See Control Panel section for switch identifi cations:
Normal Cleaning Mode:
1. Turn on vacuum switch (1).
2. Turn on brush switch (2).
3. Turn on pump switch to continuous (3).
4. Adjust brush pressure at lower rear panel of machine, until brush pressure gauge reads
in green zone (7).
5. Solution pump should be turned off to the center switch position, (4), approximately 6”
before the end of each cleaning pass.
During the cleaning cycle, care should be taken not to allow foam to build up in the recovery
tank. If this should happen, the machine should be turned off . Defoamer order #910543 should
be added to the recovery tank only, never into the solution tank. Foam should not be allowed to
enter vacuum fi lter screen.
The recovery waste water level can be viewed from the operator’s position of the machine through the visible
recovery dome. When waste water is within 2” of the top of the recovery tank, the tank should be emptied.
NOTE:
Never tilt machine completely back with recovery tank in place. Always remove tank and
set to the side before tilting complete machine.) Recovery tank can be emptied by lifting visible
recovery dome and lifting out tank by front handle. A handle gripping area is provided in the front
bottom of the recovery tank to tilt and pour the waste water out.
AUXILIARY TOOL HOOK UP
1. Remove grey hose fi tting from clear recovery dome and install auxiliary hose assembly cuff to
grey fi tting by passing through rear of machine. Hook up solution hose to auxiliary out coupler
at rear of machine.
2. Turn vacuum switch to on.
3. Turn pump auxiliary switch to on (page 5, item 6). All other switches should be off .
NOTE:
To identify the Water Shutoff Solenoid, see Figures 1 & 2 below.
FIG 1
FIG 2
740492 (Parker)
WATER SHUTOFF
SOLENOID
1. Can be identifi ed by
1/2” NPT Conduit.
2. Port #1 - Outlet
Port #2 - Inlet
740245 (older versions)
WATER SHUTOFF
SOLENOID
1. Can be identifi ed by
molded end.
2. Port #1 - Inlet
Port #2 - Outlet
Parker
