Operation Instructions; Before Starting - Hotsy 981SS Operating Instructions And Parts Manual

Before Starting

1. Read all manuals provided with this pressure washer.
Become familiar with location and function of all
operating and safety controls.
WARNING: Check hoses, fittings, wand, trigger gun
and fuel connections daily for signs of wear, cracks
and looseness, and replace as required.
2. Connect water supply hose to the standard garden
hose connector. The water faucet and supply hose
must be capable of providing 6.0 GPM.
3. This machine was factory built for Natural Gas. See
instructions under Fuel Supply.
4. Check pump oil level.
5. If detergents are to be used, only use detergents
intended for pressure washers. Follow instructions
on the detergent container.
IMPORTANT: Before installing pressure nozzle on ini-
tial start-up, turn on the water supply, start the pump
by pressing the pump ON switch, and hold the wand
trigger open until water appears at the end of the
wand. Allow water to run from the end of the wand
until clear to prevent the nozzle from clogging.
IMPORTANT: If the pressure washer has not been
used for an extended period of time, remove the pres-
sure nozzle from the end of the wand and turn on
water supply, and start the pump by pressing the
pump ON switch. Hold the wand trigger open and al-
low water to run from the end of the wand until clear.
6. Install the pressure nozzle on end of wand, refer to
illustration below.
Manual Trigger Lock
IMPORTANT: The trigger gun provided with this pres-
sure washer is equipped with a manual trigger lock
to prevent accidental operation of the trigger gun, re-
fer to figure above. The trigger lock should be used
whenever the trigger gun is not in use.
IMPORTANT: On initial start-up or if maintenance
has been performed on the burner assembly, it will
be necessary to bleed the air from the gas line before
the pilot will light.
7. If you are running the machine for the first time, or
have performed maintenance on the burner assem-
bly, there will be air in the gas line. To bleed the air
from the gas line run the pressure washer with pump
and burner switches on and thermostat on highest
setting. Squeeze the trigger of the trigger gun for 15
seconds. If the burner has not ignited, release the

OPERATION INSTRUCTIONS

Pressure Nozzle
97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05
trigger for 5 seconds, then squeeze for 15 seconds.
If the burner has not ignited after 10 tries, see the
Troubleshooting Guide in this manual.
CAUTION: Have a qualified gas serviceman install
and service your equipment.
DANGER: Never expose a spark or flame where there
may be unburned gas present.
DANGER: Some gases are heavier than air and will
spill out on the floor in the 2 to 3 minutes required for
the safety pilot valve to close off gas supply. There-
fore, always provide adequate space and ventilation
around these units.
To Start
WARNING: Risk of injection or severe injury - Keep
clear of nozzle - DO NOT direct discharge stream at
persons - This machine is to be used only by quali-
fied operators.
AVERTISSEMENT: RISQUE D'INJECTION ET DE
BLESSURES GRAVES. SE TENIR À L'ÉCART DU JET.
NE PAS DIRIGER LE JET DE SORTIE VERS D'AUTRES
PERSONNES. CONFIER L'UTILISATION DE CE
MATÉRIEL À UN OPÉRATEUR QUALIFIÉ.
WARNING: Wear eye, ear, hand, foot and skin protec-
tion at all times while operating pressure washer.
WARNING: Before changing pressure nozzle, engage
manual trigger gun lock.
IMPORTANT: The water must be turned on before start-
ing. Running the pump dry will cause damage and
void warranty.
IMPORTANT: Do not allow the machine to run with
trigger of the trigger gun released for more than
10 minutes at any one time or damage to pump may
occur.
1. Turn ON water supply.
2. Turn ON gas supply.
3. Hold wand firmly, release trigger of trigger gun and
turn pump switch ON. Squeeze trigger of trigger gun
and allow air to purge from system.
4. If HOT water is desired, adjust the thermostat to the
proper temperature and turn burner switch ON.
Squeeze trigger of trigger gun. The pilot will automati-
cally light, quickly followed by the firing of the burner
ring. When the trigger of the trigger gun is released or
when the thermostat temperature setting is reached,
the burner will automatically turn off.
IMPORTANT: If ignition or flame failure is experienced,
discontinue use of pressure washer at once. Turn off
burner and shut off fuel supply. Have cause of failure
corrected by an authorized service technician before
use of pressure washer is continued.
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