Karcher G 3050 OHC - Manual (Page 12)

12 English
CLEANING TIPS
(with or without detergent). Pre-rinse furniture
and surrounding area with fresh water. If using
Pressure Wash, apply to surface at low pressure.
Allow Pressure Wash to remain on surface 1-3
minutes. Do not allow detergent to dry on surface.
If needed use special Wash Brush Attachment (not
included) to remove stubborn dirt. Rinse at high
pressure in a sweeping motion keeping the spray
nozzle approximately 3-6 inches from the cleaning
surface. For best results, clean from top to bottom
and from left to right.
Patio & Lawn Furniture
Optional accessories are available to further
enhance your cleaning capabilities. These acces-
sories are accurate as of the printing date of this
manual. Please check our website:
www.karcherresidential.com for pricing and up-
to-date information.
– Extension Hose
– DirtBlaster® Spray Nozzle
– Universal Wash Brush Kit
Optional Accessories
CAUTION
Remove the spark plug cable to prevent accidental
ignition of the engine before making any repair.
TROUBLESHOOTING
Symptom Cause Solution
ENGINE WILL NOT
START No gasoline Fill gas tank
Choke is not in the correct
position Slide choke lever out to closed position
Water pressure built up in
the machine Squeeze the trigger to release the pressure
For additional engine problems refer to the engine manual.
UNIT DOES NOT
REACH HIGH
PRESSURE Diameter of garden hose is
too small Replace with a 5/8 inch or larger garden hose
Water supply is restricted Check garden hose for kinks, leaks and
blockage
Not enough inlet water
supply Turn water on full force. Check garden hose
for kinks, leaks or blockage.
Water inlet fi lter is clogged Remove fi lter and rinse out in warm water
Black detergent nozzle is
attached Remove black detergent nozzle and attach
high pressure nozzle
OUTPUT PRES-
SURE
VARIES HIGH AND
LOW Not enough inlet water
supply. Turn water on full force. Check garden hose
for kinks, leaks or blockage
Pump is sucking air Check that hoses and fi ttings are air tight.
Turn off machine and purge pump by
squeezing trigger gun until a steady fl ow of
water emerges through the nozzle
Water inlet fi lter is clogged Remove fi lter and rinse out in warm water
Spray nozzle is obstructed Blow out or remove debris with a fi ne needle
Calcifi ed gun, hose or
spray wand Run distilled vinegar through detergent
suction tube.