SECTION 3
20
SAPPHIRE SCIENTIFIC MODEL 370 SS
®
PART#
49-038 REV F
STARTING THE UNIT
!
1. Set throttle control in, pull
out engine choke,
turn solution pump switch to override and turn
ignition key to start.
2. Push in engine choke after engine has started.
3. Set throttle control to maximum.
Note: Do not operate the unit with throttle
control set below 50% of maximum throttle
setting.
4. Turn the water pump switch to the
ON
position.
NOTE:
If the unit does not build water
pressure after 5 seconds, check for adequate
water supply. See “Loss of Water Pump
Pressure in the
Troubleshooting
section of this
manual.
VACUUM HOSE
Connect the vacuum hose(s) to the vacuum inlet
connection at the front of the unit. Connect the
opposite end of the vacuum hose(s) the cleaning
tool. Let the unit run for a few minutes with the
vacuum inlets partially blocked off to warm up
the cleaning solution.
SAPPHIRE SCIENTIFIC
recommends that
the total floor tool jet size does not exceed #4.
Using larger jet sizes on your
MODEL 370 SS
®
unit may reduce cleaning temperatures.
PRIMING THE CHEMICAL
PUMP
NOTE: SAPPHIRE SCIENTIFIC
recommends that the chemical pump be primed
whenever the water pump is on.
1. Insert the chemical inlet tube into the
chemical container.
NOTE:
When inserting the chemical tube into
the chemical container,
ensure that
it stays
submerged, as the chemical pump will not
function if air is allowed to enter the inlet line.
2. Turn the 3-way chemical selector valve
located on the control panel to the
PRIME
position. The chemical will then flow from the
chemical container through the chemical prime
tube.
If the pump does not prime, then:
Seal off the vacuum port. The vacuum will
quickly draw chemical from the chemical
container. After the flow begins, turn the
chemical selector valve to
OFF
position and
turn the chemical selector valve back to the
PRIME
position and continue the procedure.
3. When the chemical flows with no air bubbles,
priming has been achieved. Turn the chemical
selector valve from
PRIME
to
METER
. With
the cleaning tool open, check the flow meter and
adjust the chemical metering valve until the
desired rate of chemical flow is achieved.
AUTOMATIC WASTE PUMP
1. If your unit is equipped with an optional
automatic waste pump, connect one end of the
⅝ in. or larger garden hose to the pump-out
connection and the other end to an acceptable
waste disposal.
2. Turn the pump-out switch located on the front
console control panel to the
ON
position. The
waste pump will now operate automatically
throughout the cleaning period.
DO NOT
use an outlet hose that is smaller than
⅝ in. I.D.
NEVER
use a waste pump hose as a water inlet
hose
Содержание 370 SS
Страница 1: ...Service and Operation Manual 2604 Liberator Prescott AZ 86301 1 928 445 3030 ...
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Страница 47: ...SECTION 5 42 SAPPHIRE SCIENTIFIC MODEL 370 SS PART 49 038 REV F 70 370 CONSOLE 370 SS BOM TABLE ...
Страница 48: ...SECTION 5 43 SAPPHIRE SCIENTIFIC MODEL 370 SS PART 49 038 REV F 70 370 CONSOLE 370 SS VIEW 1 OF 2 ...
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Страница 70: ...SECTION 5 65 SAPPHIRE SCIENTIFIC MODEL 370 SS PART 49 038 REV F ELECTRICAL DIAGRAM WATER PUMP ...
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