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Operating – John Deere 3800 User Manual

Page 10

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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.

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