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Operations
Detergents & General
Operating Techniques
WARNING: Some detergents may
be harmful if inhaled or ingested,
WARNING
causing severe nausea, fainting or
poisoning. The harmful elements
may cause property damage or
severe injury.
AVERTISSEMENT: Certains déter-
gents peuvent être dangereux s'ils
sont inhalés ou ingérés, provo-
quant de fortes nausées, des
évanouissements et l'empoisonne-
ment. Les éléments dangereux peuvent causer des
dommages à la propriété ou des blessures graves.
STEP 1: Connect high pressure hose
to injector with quick coupler (check to
make sure locking coupler sleeves
are in proper position before applying
water pressure. If using detergent
injector, connect it to discharge nipple
on machine.
STEP 2: Use detergent designed
specifically for pressure washers.
Household detergents could damage the pump. Prepare
detergent solution as required by the manufacturer. Fill a
container with pressure washer detergent. Place the filter
end of detergent suction tube into the detergent container.
STEP 3: Apply safety latch to spray
gun trigger. Turn variable pressure
control handle until discharge water
exits both tubes. Secure black
detergent nozzle into quick coupler
if you have a single wand.
NOTE: Detergent cannot be applied
using Red, Yellow, Green or White nozzles.
STEP 4: With the engine running, pull trigger to operate
machine. Liquid detergent is drawn into the machine and
mixed with water. Apply detergent to work area. Do not
allow detergent to dry on surface .
20
Detergent
Injector
(Option)
High
Pressure
Hose
Karcher HDS 3.5/40 GE MT Operator's Manual 9.807-942.0 - C
Thermal Pump Protection
If you run the engine on your pressure washer for 3-5
minutes without pressing the trigger on the spray gun,
circulating water in the pump can reach high tempera-
tures. When the water reaches this temperature, the pump
protector engages and cools the pump by discharging the
warm water onto the ground. This thermal device prevents
internal damage to the pump.
Cleaning Tips
Pre-rinse cleaning surface with fresh water. Place
detergent suction tube directly into cleaning solution and
apply to surface at low pressure (for best results, limit your
work area to sections approximately 6 feet square and
always apply detergent from bottom to top). Allow
detergent to remain on surface 1-3 minutes. Do not allow
detergent to dry on surface. If surface appears to be
drying, simply wet down surface with fresh water. If
needed, use brush to remove stubborn dirt. Rinse at high
pressure from top to bottom in an even sweeping motion
keeping the spray nozzle approximately 1 foot from
cleaning surface. Use overlapping strokes as you clean
and rinse any surface. For best surface cleaning action
spray at a slight angle.
Recommendations:
•
Before cleaning any surface, an inconspicuous
area should be cleaned to test spray pattern and
distance for maximum cleaning results.
•
If painted surfaces are peeling or chipping, use
extreme caution as pressure washer may remove
the loose paint from the surface.
•
Keep the spray nozzle a safe distance from the
surface you plan to clean. High pressure wash a
small area, then check the surface for damage. If
no damage is found, continue to pressure
washing.
CAUTION - Never use
•
Bleach, chlorine and other corrosive chemicals
•
Liquids containing solvents (i.e., paint thinner,
gasoline, oils)
•
Tri-sodium phosphate products
•
Ammonia products
•
Acid-based products
ATTENTION: Ne jamais utiliser:
•
Eau de Javel, produits à base de chlore et autres
produits chimiques corrosifs
•
Liquides contenant des solvants (c.-à-d. diluant à
peinture, essence, huiles, etc.)
•
Produits à base de tripolyphosphate de sodium
•
Ammoniac ou produits à base d'acide
These chemicals will harm the machine and will damage
the surface being cleaned.
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