GMC GPW135 Manual De Instrucciones página 10

Important safety information
• Always wear appropriate personal protective equipment. Use of this machine requires safety goggles
and waterproof clothing
• Always use an RCD when connecting a pressure washer to the mains with a tripping current no more
than 30mA and a delay in operating of no more than 30ms
• Make sure any mains connection points are out of reach of the pressure washer water spray, or any
water that may collect on a surface around where you are spraying
• Only use a mains extension cable suitable for outdoor use, and capable of carrying the required
current for this product. The extension cable must be protected against water ingress with water-tight
connections where it connects to the pressure washer mains cable
• This product must be earthed and any extension cables used must have an earth connection
• Always use the pressure washer vertically and make sure it is used on a flat, level surface
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Operation
Switching on
• Always open the water supply tap before switching on to protect the pump from damage
• Set the Trigger Lock (17) to prevent the Trigger (16) being pressed
• Connect the pressure washer to the mains supply and turn the On/Off Switch (3) to the 'On' position.
The pump operates immediately to build up pressure and each time the trigger is pressed to restore
water pressure
• It is important that all air is bled from the hoses and lance before using the pressure washer. Disable the
Trigger Lock and squeeze and hold the Trigger until water is sprayed in a steady stream. This may take
up to two minutes or possibly longer on first use
Using your pressure washer
• Spray water by unlocking the Trigger Lock (17) and squeezing the Trigger (16). Make sure you are
holding the lance securely as there will be a small recoil action on start-up
• The Nozzle & Pattern Adjuster (20) can be adjusted between a wide fan pattern (60°), and a strong
narrow jet by rotating. It is advisable to start with the nozzle turned clockwise (fan pattern), and
experiment with narrower patterns, and different spray distances, until the correct strength is achieved.
Release the trigger when changing setting
• The pressure washer will protect the motor from over-heating if used continuously for too long, and
will prevent the trigger from operating. It will reset after cooling for a few minutes. It is recommend to
have a work pattern that prevents the over-heating protection feature activating by not holding down the
trigger continuously
• If you are unsure of the durability of the surface that is being cleaned, avoid using the narrow jet setting,
reduce the pressure, and start washing further away from the surface
• It is recommended that the lance should be held at an angle of 45˚ to the surface being cleaned. This will
give maximum control and most effective cleaning
• Always test-clean an inconspicuous area first to check that the cleaning process or detergent will not
damage the surface being cleaned - particularly mortar between bricks or patio slabs, which can be
easily removed with a water jet
Using detergent
1. Remove the Detergent Cap (7) from the Detergent Bottle (2) and fill with a pressure washer-compatible
detergent. There are many products available that are suitable for pressure washers including patio
cleaner, glass cleaner, car shampoo, traffic film remover, wood and plastic cleaning solutions, plus
general purpose pressure washer detergent
2. The pressure washer is designed to dispense detergent on the low pressure setting and dispense clear
water on the high pressure setting. The Nozzle & Pattern Adjuster (20) is marked with the required
direction for increasing or decreasing pressure. Release the trigger when changing either of these
settings
NOTE: The detergent ratio is variable depending on the Nozzle & Pattern Adjuster setting.
3. Once you have finished using detergent, set the lance to the high pressure setting on the pressure
adjuster, and spray until the water is clear
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Notes:
• A typical pattern of use for using detergent foam would be to first clean with water to remove light surface
deposits; apply detergent foam; and finally rinse off with clean water
• Detergent foam requires a few minutes to work when applied to surfaces. Normally for maximum
cleaning leave 2-5 minutes between applying foam and removing with clean water – this is an ideal
opportunity to brush/scrub the surface where most dirt has collected. Do not allow foam to dry on the
surface, for instance, on a hot day, when there may be limited time between dispensing foam and rinsing
off, depending on the surface
• Do not use detergents which are not designed for pressure washers. They may contain chemicals that
could damage seals
• Read the instructions provided with the detergent thoroughly - especially if concentrated. Diluting to
the detergent manufacturer's recommendations will ensure effective cleaning without using excessive
detergent
Switching off
When you have finished using the machine, always carry out the following steps:
1. Switch off the machine and disconnect from the mains supply
2. Turn off the water supply
3. Squeeze the trigger and allow all residual water pressure to bleed
4. Disconnect the water supply
5. Drain all water from the machine and hoses and store in a dry place
WARNING: Do not switch off the water supply before turning off the pump as the pump must not be run
without water.
WARNING: Never disconnect the high pressure hose at either end without depressurising first
Accessories
A range of accessories is available from your GMC stockist to enhance the functionality of your pressure
washer, including brushes and replacement or higher specification parts. Spare parts are available from
your GMC dealer or www.toolsparesonline.com.
Maintenance
Cleaning
• Keep your machine clean at all times
• Always allow all water to drain from the pump before storing
• The Lance Nozzle may get dirty or blocked over time which will affect operation. Clean the lance nozzle
using the Cleaning Pin (22). A garden hose can also be used to clean the nozzle by back-flushing water
through the nozzle. Combining use of the pin and back-flushing should enable the nozzle to be fully
cleaned. The frequency of doing this will depend on the water quality in your area with hard water areas
requiring more frequent cleaning.
• Regularly check the Water Inlet Connector (5) filter (Image A) to make sure it is clear
Storage
Always store this machine in a dry place that will not fall below 0˚C
Disposal
Always adhere to national regulations when disposing of power tools that are no longer functional and are
not viable for repair.
• Do not dispose of power tools, or other waste electrical and electronic equipment (WEEE), with
household waste
• Contact your local waste disposal authority for information on the correct way to dispose of power tools
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