Karcher G 2800 OH - Manual (Page 6)

6
OPERATING INSTRUCTIONS
Engine with fixed throttle:
Move the engine stop switch to the ON
position.
For more details see engine manual.
Step 9
Pull the starter handle.
If the engine fails to start after 3 pulls,
squeeze the trigger gun to release
pressure, and repeat step.
After the engine warms up enough to run
smoothly, move choke rod to OPEN position
and throttle to FAST position.
Important!
Do not run the engine with a high or low oil
level as this can cause engine damage.
If you have further questions regarding the
engine, please refer to the engine’s
operating manual included with the unit.
Step 1
Check oil level on engine before starting the
unit. Oil level should always be between the
“FULL” and “ADD” marks on the dipstick.
Be sure the machine is level when checking
the oil level. (Refer to the engine’s operating
manual for seasonal grades.).
We recommend that the oil be changed after
the first 2 hours of use, then once every 25
hours.
Step 2
Fill gas tank with unleaded gasoline.
Do not use leaded gasoline.
Step 3
Connect the high pressure hose to the unit’s
high pressure outlet.
Step 4
Connect garden hose to unit’s water inlet.
Step 5
Connect garden hose to the cold water
source and turn water on completely.
Do not use hot water.
Step 6
Trigger the gun to eliminate trapped air, wait
for a steady flow of water to emerge from
the spray nozzle.
Step 7
Pull the choke rod to the CLOSED position
Starting a Warm Engine:
If the engine has run out of fuel, pull the choke
rod to the CLOSED position after refueling.
If the engine has not run out of fuel, leave
the choke rod in the OPEN position.
Step 8
Engine with manual throttle:
Slide the throttle lever away from the SLOW
position, about 1/3 of the way toward the
FAST position.
MAINTENANCE INTERVALS
FOR PUMP
We recommend that the oil be changed
after the first 100 hours of use, then once
every 500 hours.
Recommended oil for pump
Use multi-grade 4-stroke motor oil that
meets or exceeds the requirement for API
service classification SH, SJ, or equivalent.
Use oul SAE-class 15W-40.
Oil Change for pump
Drain the pump oil when the pump is warm.
Warm oil drains quickly and completely.
1. Place a suitable container below the
pump to catch the used oil.
2. Remove the oil fill cap, the oil drain plug
and washer.
3. Allow the used oil to drain completely,
then reinstall the drain plug and washer.
Tighten the drain plug securely.
Please dispose of used oil in a manner
that is compatible with the environment.
We suggest you take used oil in a sealed
container to your local recycling center.
Do not throw it in a trash or pour it on the
ground or down a drain.
4. With the pump in a level position, fill in
0.190 liters (7.0 oz) of recommended oil.
Do not overfill.
Notice: Running the pump with a low oil
level can cause pump damage.
5. Reinstall the oil fill cap securely.