
FF-MM-391-REV - 01
Page 10
Operation and Maintenance Guide High Pressure Washer Series
Safety checks before and after operating the High Pressure Washer
Lubrication.
• e oil sump in the Pump unit should contain
SAE15W40 / 10W15 grade oil.
• Ensure that the oil is at the half level by looking at the
transparent window.
• If the number of hours has crossed y, drain out the
oil by opening the Oil drain plug at the end of the pump
housing. Re x the plug and open theBreathing oil cap to
top up oil to the correct level (Refer g on page 11). ereaf-
ter repeat aer every 500 hours of use or whenever the level
of oil has dropped or looks contaminated.
Check list before starting the High Pressure
Washer
• Check safety wear mentioned earlier in warnings.
• Check the hoses, especially the high pressure hoses for
damage or leaks.
• Make sure that the electrical supply voltage and
frequency match the motor. Refer electrical connection
detail on page 5 for termination.
• Make sure that the High Pressure Washer is grounded
properly
• Make sure that the electrical cables are not damaged and
all the connectors between gun, lance, hoses and pump
are secure.
• Make sure that the lter cone on the water supply in place
• Turn on the water supply.
Changing spray nozzle tips
• Choose appropriate nozzle.
• Engage the trigger lock
• Pull back the collar
• Remove spray tip
• Install desired tip,
• Release collar
• Tug on tip to ensure proper seat
Cleaning solution injection
• All Teryair high pressure washers have a facility of
injection of Cleaning Fluids to aid in the cleaning
process. ere are several brands & types of cleaning
solutions available in the market today. Whichever you
choose make sure it designed for use in high pressure
washer. It should say so on the level, if it does not say it,
don’t use it.
Warning: Never use bleach or bleach based products
as they can damage the pump.
• Once you have your cleaning solution is ready to go,
check to make sure that injector tube is securely attached
to the pump as shown.
Starting the High Pressure Washer
• Hold the gun securely with both hands, ( the gun will kick
back when rst started )
• Switch on the electricity, and depress trigger of the gun to
start the jetting.
• Adjust the output pressure as required by the pressure
regulator.
• en insert the other end into the cleaning
solution.
• A pressure washer will only siphon cleaning
solution when in low pressure mode. So a low
pressure soap nozzle must be use on the gun +
lance ( Refer Spray tip detail on page 5).
Caution
• Aer cleaning Fluid application it is
recommended to disconnect the injection
system to allow clean water to rinse through
the system for few minutes.
Bypass mode-In bypass mode, the pump
reticulates the water because the trigger of the spray gun
is not being pulled. If unit is le in bypass mode For more
than two minutes, the water temperature will rise to a
dangerous Level and could damage internal components
of the pump.
Note- Any damage to pump due to these causes will not
be covered under Warranty.