OPERATING INSTRUCTIONS
4
Step 3
Connect garden
hose to the cold
water source
and turn water
on completely.
Never use hot
water.
Step 4
Trigger the gun
to eliminate trapped air, wait
for a steady flow of water to
emerge from the spray
nozzle.
Step 5
Slide the choke
lever to the left to the closed
position (on a warm engine,
leave the choke lever in the
open position).
Step 9
Adjust pressure
control to desired setting.
Step 6
Slide or turn the
fuel valve to the on position.
Slide the throttle lever toward
the fast position.
NOTE: HD 2700 DB has a
ON/OFF knob. Turn fuel knob
to “ON” position.
Step 7
Turn the engine
switch to the “ON” position.
NOTE: HD 3500 DB has a
has a toggle switch. Press to
“ON” position.
Step 8
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 is warm and
running smoothly, slide the
choke lever to the right (open)
and throttle to the left (fast).
Step 1
Check oil level. Oil level should be level
with the bottom of the oil filler neck. 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
5 hours of use, then once every 50 hours.
Note: Improper oil levels will cause low oil sensor to
shut off engine.
Step 2
Fill gas tank
with unleaded
gasoline.
Do not use
leaded gasoline.
NOTE: Engines controls shown may appear different.
