Cleaning tips – Karcher K 3.91 M User Manual
Page 12
 
12
English
(with or without detergent). Pre-rinse 
deck and surrounding area with fresh 
water. If using Kärcher Deck Wash, ap-
ply to surface at low pressure. For best 
results, limit your work area to smaller 
sections of approximately 25 square 
feet. Allow Deck Wash to remain on sur-
face 1-3 minutes. Do not allow deter-
gent to dry on surface. Rinse at high 
pressure in a long sweeping motion 
keeping the spray nozzle approximately 
3-6 inches from the cleaning surface. 
Always clean from top to bottom and 
from left to right. When moving on to a 
new section of the cleaning surface, be 
sure to overlap the previous section to 
eliminate stop marks and ensure a more 
even cleaning result. 
(with or without detergent). Pre-rinse 
cleaning surface with fresh water. If us-
ing Kärcher Pressure Wash, apply to 
surface at low pressure (for best results, 
limit your work area to sections of ap-
proximately 6 feet and always apply de-
tergent from bottom to top). Allow 
Pressure Wash to remain on surface 1-
3 minutes. Do not allow detergent to dry 
on surface, if surface appears to be dry-
ing, simply wet down surface with fresh 
water. If needed, use special wash 
brush attachment (not included) to re-
move stubborn dirt. Rinse at high pres-
sure from top to bottom in an even 
sweeping motion keeping the spray 
nozzle approximately 6 inches from the 
cleaning surface. 
(with or without detergent). Pre-rinse 
cleaning surface with fresh water. If us-
ing Kärcher Pressure Wash or Degreas-
er, apply to surface at low pressure. For 
best results, limit your work area to 
smaller sections of approximately 25 
square feet. Allow Pressure Wash or 
Degreaser to remain on surface 1-3 
minutes. Do not allow detergent to dry 
on surface. Rinse at high pressure in a 
sweeping motion keeping the spray 
nozzle approximately 3-6 inches from 
the cleaning surface. Always clean from 
top to bottom and from left to right. For 
removing extremely stubborn stains, 
use the Dirtblaster Nozzle.
(with or without detergent). Pre-rinse 
vehicle with fresh water. If using Kärch-
er Touchless Vehicle Wash, apply to 
surface at low pressure. For best re-
sults, clean one side of vehicle at a time 
and always apply detergent from bottom 
to top, do not allow detergent to dry on 
surface. If needed, use special wash 
brush attachment (not included) to re-
move stubborn dirt. Rinse at high pres-
sure in a sweeping motion keeping the 
spray nozzle approximately 6-8 inches 
from the cleaning surface (distance 
should increase when rinsing pin-strip-
ing or other sensitive surfaces). Always 
clean from top to bottom and from left to 
right. For best results, wipe surface dry 
with a chamois or soft dry cloth.
CLEANING TIPS
Deck Cleaning
House Siding
Cement Patios, Brick and Stone
Cars, Boats & Motorcycles