12
Operations
If it is necessary to install the machine in a poorly venti-
lated area, outside fresh air will have to be supplied to
the machine. Locate the pressure washer so that the
flue will be as straight as roof at a proper height and
location to provide adequate draft.
This oil fired pressure washer must have a draft
regulator installed in the flue (available from most
heating contractors). A draft regulator will permit proper
upward flow of exhaust flue gases.
Battery
WARNING: Batteries generate explosive gases
during normal battery operation. DO NOT expose
the battery to flame or sparks as these gases may
ignite.
AVERTISSEMENT:
Les batteries génèrent des gaz
explosifs au cours de leur fonctionnement normal. NE
PAS exposer la batterie aux flammes ou aux étince-
lles, car ces gaz pourraient s'enflammer.
WARNING: Battery fluid is highly acidic. If battery
fluid contacts skin or clothing, wash immediately
with soap and water. If battery fluid enters eye,
immediately flood eye with running cold water for
at least 15 minutes and get immediate medical
attention.
AVERTISSEMENT:
Le liquide de batterie est très
acide. Si le liquide de batterie entre en contact avec la
peau ou les vête ments, laver immédiatement à l'eau
et au savon. Si le liquide de la batterie entre en
contact avec les yeux, rincer immédiatement les yeux
avec de l'eau froide pendant au moins 15 minutes,
puis obtenir des soins médicaux immédiats.
1. Install battery (not included) in battery box as
shown. Use a standard automotive battery 45 AH
minimum 500 CCA (Cold Cranking Amps).
2. To reduce the possibility of sparking attach the
battery cables in the following order. First attach
the positive battery cable (red) to the positive “+”
terminal of the battery. Next, attach the negative
battery cable (black) to the negative “-” terminal of
the battery. To disconnect the battery, remove the
cables in the opposite order as installed.
3. Install battery box lid and secure with strap
provided.
Oil Fired Burner
Burner Air Adjustment: The oil burner on this
machine is preset for operation at altitudes near 500
feet. If operated at higher altitudes, it may be necessary
to adjust the air band for a #1 or #2 smoke spot on the
Bacharach scale.
To adjust, Loosen locking screw found on the air band.
Start machine and turn burner ON and close air band
until black smoke appears from burner exhaust vent.
Note air band position. Next, slowly open the air band
until white smoke just starts to appear and note air
band position, again. Rotate the air band halfway
between to the previously noted positions. Tighten
locking screws. Typical distance from the ‘black smoke’
position is roughly 3/8”-1/2” more open from the point of
visible black smoke, but may vary based upon local
operating conditions.
• For higher altitudes, the air band opening may
need to be increased; for lower altitude, the air
band may need to be decreased.
• For higher humidity, the air band opening may
need to be increased; for lower relative
humidity, the air band may need to be
decreased.
• For higher ambient temperatures the air band
opening may need to be increased; for lower
ambient temperatures, the air band opening
may need to be decreased.
Adjust the burner to your operating location’s environ-
ment as-needed for best smoke spot and performance
compliant with local, state, and federal regulations.
Example: a unit preset at a factory at 1700 feet altitude
with an air band of 1.1” and fuel pressure of 190 PSI
with Ambient temperature of 72 °F and a relative
humidity of 84% using #2 Diesel fuel oil. The unit is
shipped to a location at 5300 feet altitude with ambient
air temperature of 59 °F and a relative humidity of 25%.
Hotsy Gas Belt Drive Series Operator’s Manual 8.931-236.0 - BD
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