John Deere 3800 - Manual (Page 10)

Operating - 6
OPERATING
Read this operator’s manual and safety rules before operating your pressure washer.
Compare the illustration with your pressure washer to familiarize yourself with the locations of various controls and adjustments.
Save this manual for future reference.
A - Nozzle Extension with Quick Connect — Allows you to
switch between five different spray tips.
B - Spray Gun with Quick Connect — Controls the application of
water onto cleaning surface with trigger device. Includes
trigger lock.
C - High Pressure Hose — Connect one end to water pump and
the other end to spray gun.
D - Spray Tips — Detergent, 0°, 15°, 25° and 40°: for various
high pressure cleaning applications.
E - Detergent Siphoning Tube/Filter — Use to siphon pressure
washer safe detergent into the low pressure stream.
F - Warning/Operating Instructions Tag — Identifies hazards
and proper procedure to start/stop pressure washer.
G - Water Inlet — Connection for garden hose.
H - High Pressure Outlet — Connection for high pressure hose.
J - Pump — Develops high pressure.
K - Automatic Cool Down System — Cycles water through pump
when water reaches 125°-155°F. Warm water will discharge
from pump onto ground. This system prevents internal
pump damage.
L - Oil Fill/Dipstick — Check and fill with oil here.
M - Pressure Control Knob — Varies pressure of high pressure
spray.
N - Engine Controls — Located on the front of the engine and
includes the following. See the engine operator’s manual for
more detailed instructions.
Choke Lever — Prepares a cold engine for starting.
Engine Switch — Set switch to “On” for recoil starting. Set
switch to “Off” to stop a running engine.
Recoil Starter — Used for starting the engine manually.
Fuel Valve — Used to turn fuel supply on and off to engine.
Throttle Lever — Sets engine in starting mode for recoil
start.
P - Air Filter — Protects engine by filtering dust and debris out
of intake air.
R - Fuel Tank — Fill tank with regular unleaded fuel. Always
leave room for fuel expansion.
Items Not Shown:
Data Tag (near rear of base plate) — Provides model and serial
number of pressure washer. Please have these numbers
readily available if calling for assistance.
Safety Goggles — Always use the supplied safety goggles when
running your pressure washer.
D
A
E
C
B
K
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J
R
L
P
M
N
H
F
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