Kärcher HD 3.0/27 G Operator's Manual page 18

For Models: HD3.0/27 GB, HD 3.3/35 GB, HD 4.0/40 GB
PROBLEM
SPRAY WAND
LEAKS
PUMP IS NOISY
HD3.0/27 GB, HD 3.5/35 GB, HD 4.0/40 GB
This pressure washer was produced with the best available materials and quality craftsmanship. However, you
as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventa-
tive maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer
for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer.
Perform maintenance more often under severe conditions. Check pump oil and engine oil level before fi rst use
of your new pressure washer.
Engine Oil
Air Cleaner/Filter
Engine Fuel Filter
Spark Plug
Maintenance
Clean Fuel Tank(s)
Pump Oil
Replace High Pressure Nozzle
Replace Quick Connects
Clean Water Screen/Filter
Replace HP Hose
Belts*
*Note: When servicing belts, don't exceed 14 lb-ft on pump mounting screws.Failure to do so will cause
pump thread damage.
18
TROUBLESHOOTING
POSSIBLE CAUSE
Spray wand not properly attached
Broken o-ring
Pump is sucking air
PREVENTATIVE MAINTENANCE
MAINTENANCE SCHEDULE
Inspect
Change
Filter
Inspect
Clean
Inspect
Change
Inspect
Change
Tighten
Inspect/Replace
• 9.801-759.0 • Rev. 11/15
SOLUTION
Slide the spray wand into the gun. Turn the
wand collar clockwise onto the spray gun
threads until tight.
Call local distributor and order an o-ring.
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 nozzle.
Daily
First month or 20 hours.
Every 100 hours or every 6 months after fi rst month
Every 50 hours
Daily
Every 3 months or 50 hours
500 hours or 6 months
Every 6 months or 100 hours
Every year or 300 hours
Annually
Oil level daily
After fi rst 50 hours, then every 500 hours or annually (or 3 months)
Every 6 months
Annually
Weekly
Annually (if there are any signs of wear)
Every 6 months
Every 6 months
HD 4.0/40 GeB
,
HD 4.0/40 GeB
,