the chemical won’t harm it. Then apply the chemical
and let it work in for couple of minutes before rinsing.
Do not allow chemicals to dry on the surface.
When rising off the chemicals always start from the top
down. When you are finished using the chemical, be
sure to rinse out the chemical line and valve with fresh
water to prevent clogging.
SHUT DOWN
1. Turn burner switch to the ‘off’ position.
2. Rinse & close chemical valve. Turn off chemical
solenoid switch, if equipped.
3. Squeeze the trigger on the spray gun until the water
becomes cool.
4. Turn motor/engine switch off with the appropriate
controls. Turn off diesel engine units by pulling the
throttle kill lever, if not equipped with key shut-off.
5. Turn off water supply.
6. Squeeze trigger to release any trapped pressure in
discharge hose.
7. Turn the main power supply off when not in use for
any extended amount of time.
8. Turn gas valve off when not in use for an extended
period for natural gas/propane heated machines.
9. Disconnect & store hoses.
10. Antifreeze / Winterize equipment:
In the event that the equipment is not to be used for an
extended period, store in heated space or antifreeze
the unit. Run the machine until the float tank is near
empty, fill with a 50% mix of water and antifreeze and
run until antifreeze appears at the high-pressure outlet.
If unit is equipped with a blowout valve, it may be blown
out with compressed air in addition to using antifreeze
solution.
On direct feed units (no float tank), use a 5’ garden hose
to draw the antifreeze mix from a bucket or blow out the
unit with compressed air until only air and no water
comes out of the discharge.
APPEARANCE:
To maintain appearance of the pressure washer, use
stainless steel cleaner on the stainless steel panels
POWER SYSTEMS:
ELECTRIC MOTORS: All single phase
electric motors contain a manual or
automatic thermal overload, which will shut
down the motor if it overheats. If the overload or starter
shuts down the motor, have an electrician or an
authorized Hydro Tek distributor check for electrical
problems. Voltage reading under load should be +/-
10% of name plate voltage on motor. Wait for motor to
cool before re-setting. Depressing the red overload
button located on either the motor or the starter can
reset the motor. Use thumb pressure – do not force. If
equipped with an automatic thermal overload, it will
reset itself after the motor has cooled.
Never spray water on the unit, or damage to the electric
motor(s) may occur.
Consult the manufacturer if running an electric
machine from a generator. Three times total
system wattage is required.
A fused disconnect switch of sufficient ampere rating
should be installed by an electrician to provide power to
the machine. Note: Some dual rated 208-230 VAC
washers include a control circuit power selector switch,
located on the back of the control box. Switch it to the
appropriate position to match your source voltage.
Switches are set by manufacturer to match recorded
test sheet voltage. Refer to the chart above for
electrical requirements. If your unit is equipped with a
ground fault interrupter, it will have to be reset
whenever it is plugged in, or if a ground fault interruption
occurs. Test regularly for proper
operation.
GASOLINE ENGINE: With proper care
and maintenance, your gasoline engine
will give years of trouble free service.
Please follow the Service and Maintenance Guide and
the enclosed engine sheet or contact your local
authorized engine dealer for maintenance and repairs.
Use clean, fresh, unleaded gasoline with an octane
rating of 87 or higher in the engine fuel tank. Up to 15%
MTBE (methyl tertiary butyl ether) or 10% ethanol is
acceptable. Do not use unapproved gasoline such as
E15, E20 or E85 ethanol blends. Any failures from
use of these fuels will not be warranted. Consult engine
manual for proper oil type and capacity. The engine
manufacturer recommends a break-in period at which
time the engine oil and filter should be replaced.
Thereafter, change oil and filter as required by engine
manufacturer. Refer to engine manual for preventative
maintenance schedules and procedures. Do not rely
on the low oil shutdown (if equipped) as a reminder to
add oil. The engine manufacturer will typically not
warranty engine damage from lack of oil even if the low
oil system failed.
On machines with a 115V generator or a 12V burner,
the throttle is preset by manufacturer (See Generator
section). Some engines include backfire prevention
solenoids.
DIESEL ENGINE: The diesel engine, although it has a
higher initial cost, can save money with lower fuel
consumption and longer life. Use clean diesel fuel #2
Warning: Cool down burner before shutting off.
OPERATING INSTRUCTIONS – SYSTEM INFORMATION 9
Single Phase Code AWG Three Phase Code AWG
WireSize WireSize
1.5 HP-120V -E1 #14
2 HP-120V -E1 #12 6 HP-230V -E3 #12
5 HP-208/230V -E2 #10 7.5HP-230 & 480V -E3, E4 #12
6.5 HP-230V -E2 #10 10 HP-480V -E4 #12
8 HP-230V -E2 # 8 10HP-230V -E3 #10
10 HP-208/230V -E2 # 6 10HP-208V -E3 # 8
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