John Deere AC-2500GH, AC-2000GH, AC-2400GH, AC-3000GS, AC-2700GH OPERATOR’S MANUAL

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AC-Series Operators Manual-E/F 1
AC-2000GH, AC-2400GH,
AC-2400GS, AC-2500GH,
AC-2600GH, AC-2700GH,
AC-2700GS, AC-3000GS,
AC-3300GH AND AC-3500GH
HIGH PRESSURE WASHERS
2 AC-Series Operator’s Manual-E/F
Introduction
READ THIS MANUAL carefully to learn how to operate
and service your machine correctly. Failure to do so
could result in personal injury or equipment damage.
This manual and safety signs on your machine may also
be available in other languages. (See your John Deere
dealer to order.)
THIS MANUAL SHOULD BE CONSIDERED a permanent
part of your machine and should remain with the machine
when you sell it.
MEASUREMENTS in this manual are given in both
metric and customary U.S. unit equivalents. Use only
correct replacement parts and fasteners. Metric and inch
fasteners may require a specic metric or inch wrench.
RIGHT HAND AND LEFT HAND sides are determined by
the direction the machine will travel when going forward.
WRITE SERIAL NUMBER in the Specification or
Identication Numbers section. Accurately record all the
numbers to help in tracing the machine should it be stolen.
Your dealer also needs these numbers when you order
parts. File the identication numbers in a secure place
off the machine.
WARRANTY is provided from your John Deere dealer for
customers who operate and maintain their equipment as
described in this manual. The warranty is explained on
the warranty certicate shown in this manual.
This warranty provides you the assurance that your John
Deere dealer will back products where defects appear
within the warranty period. Should the equipment be
abused, or modied to change its performance beyond
the original factory specifications, the warranty will
become void. Setting fuel delivery above specications
or otherwise overpowering the machine will result in such
action.
Warranty and product support for the engines is provided
by Honda
®
. The Honda engine warranty is explained in
the Honda Warranty Certicate that accompanies this
pressure washer. Additional copies of the Engine Warranty
Certicate are available from your John Deere dealer.
Warning: This product contains lead, a
chemical known to the State of California
to cause birth defects or other reproductive
harm.
Wash your hands after handling this product.
AC-Series Operator’s Manual-E/F 3
Contents
Page
Safety .................................................................................. 5
Safety Signs ..................................................................... 10
Controls ........................................................................... 12
Preparing the Washer
Check Engine Oil ................................................................. 14
Gasoline Engine Oil ............................................................. 14
Filling Fuel Tank ................................................................... 15
Inlet Water Supply Requirements ....................................... 16
Check Pump Oil ...................................................................17
Connect Discharge Hose to Gun ......................................... 18
Connect Hoses and Prime Pump ........................................ 19
Installing Nozzle .................................................................. 20
Final Checklist ..................................................................... 20
Operating the Washer
Starting and Operating Engine ........................................... 21
Stopping the Engine ............................................................ 21
Adjusting Water Pressure .................................................... 22
Locking Trigger Gun ............................................................ 23
Changing Nozzle ................................................................. 23
Selecting the Proper Nozzle ................................................ 23
0° Nozzle-Red ..................................................................... 23
15° Nozzle-Yellow ................................................................ 24
25°Nozzle-Green ................................................................. 24
40° Nozzle-White ................................................................. 24
Detergent Injector Nozzle-Black (Brass) ............................. 24
Cleaning Horizontal Surfaces .............................................. 25
Cleaning Vertical Surfaces .................................................. 25
Removing Paint ................................................................... 26
Cleaning Radiator Fins ........................................................ 26
Detergent Usage Guide ....................................................... 27
Cleaning with Detergents .................................................... 28
Shut-down ........................................................................... 30
Troubleshooting .............................................................. 31
Maintenance Chart ........................................................... 33
Service
Cleaning Water Inlet Screen ................................................ 34
Cleaning Detergent Hose Strainer ....................................... 34
Checking Water Pump Oil ................................................... 35
Changing Water Pump Oil ................................................... 36
Check Engine Oil ................................................................. 37
Gasoline Engine Oil ............................................................. 37
Changing Engine Oil ............................................................ 37
Servicing Air Cleaner .......................................................... 38
Cleaning and Gapping Spark Plug ...................................... 39
Adjusting Idle Speed ............................................................ 39
Cleaning Sediment Cup ....................................................... 39
Adjust Belt Tension (AC-2500GH only)............................... 40
Storage
Storing Washer .................................................................... 41
Removing Washer from Extended Storage ......................... 41
Specications
Specications ................................................................42-43
Record Serial Number ......................................................... 43
All information, illustrations and specications in this manual are based
on the latest information available at the time of publication. The right is
reserved to make changes at any time without notice.
Page
Accessories
High Pressure Hose ........................................................... 44
Water Filter .......................................................................... 44
Pressure Gauge .................................................................. 44
Pressure Gauge .................................................................. 44
Detergent Injector ................................................................ 45
All-Purpose Cleaning ........................................................... 45
Surface Preparation ............................................................. 45
Degreasing .......................................................................... 45
HY-GARD
®
........................................................................... 46
Spray Wax ........................................................................... 46
Rust Inhibiting Antifreeze ..................................................... 46
Detergent Booster ............................................................... 46
Plus-4 Motor Oil ................................................................... 47
Gasoline Conditioner & Stabalizer ....................................... 47
Warranty ............................................................................ 48
4 AC-Series Operator’s Manual-E/F
Contents
AC-Series Operator’s Manual-E/F 5
Safety
RECOGNIZE SAFETY INFORMATION
This is the safety alert symbol. When you see this symbol
on your machine or in this manual, be alert to the potential
for personal injury.
Follow recommended precautions and safe operating
practices.
UNDERSTAND SIGNAL WORDS
A signal word--DANGER, WARNING or CAUTION--is used
with the safety-alert symbol. DANGER identies the most
serious hazards.
DANGER or WARNING safety signs are located near spe-
cic hazards. General precautions are listed on
CAUTION safety signs. CAUTION also calls attention to
safety messages in this manual.
FOLLOW SAFETY INSTRUCTIONS
Carefully read all safety messages in this manual and on
your machine safety signs. Keep safety signs in good con-
dition. Replace missing or damaged safety signs. Be sure
new equipment components and repair parts include the
current safety signs. Replacement safety signs are avail-
able from your John Deere dealer.
Learn how to operate the machine and how to use controls
properly. Do not let anyone operate without instruction.
Keep your machine in proper working condition. Unauthor-
ized modications to the machine may impair the function
and/or safety and affect machine life.
If you do no understand any part of this manual and need
assistance, contact your John Deere dealer.
6 AC-Series Operator’s Manual-E/F
PROTECT AGAINST HIGH PRESSURE
SPRAY
Spray from high pressure nozzles can penetrate the skin
and cause serious injury. Keep spray from contacting
hands or body.
If an accident occurs, see a doctor immediately. Any high
pressure spray injected into the skin must be surgically
removed within a few hours or gangrene may result.
Doctors unfamiliar with this type of injury should refer-
ence a knowledgeable medical source. Such information
is available from Deere & Company Medical Department
in Moline, Illinois, U.S.A.
WORK IN A VENTILATED AREA
Engine exhaust fumes can cause sickness or death. If
it is necessary to run an engine in an enclosed area,
remove the exhaust fumes from the area with an exhaust
pipe extension.
If you do not have an exhaust pipe extension, open the
doors and get outside air into the area.
HANDLE FUEL SAFELY-AVOID FIRES
Handle fuel with care: it is highly ammable. Do not re-
fuel the machine while smoking or when near open ame
or sparks.
Always stop engine before refueling machine. Fill fuel
tank outdoors.
Prevent res by keeping machine clean of accumulated
trash, grease and debris. Always clean up spilled fuel.
DRAIN GASOLINE WHEN STORING
MACHINE
Gasoline stored in fuel tank can explode.
Never store equipment with gasoline in the tank inside a
building where fumes may reach an open ame or spark.
Always drain gasoline from fuel tank and carburetor bowl
when storing machine. Allow engine to cool before storing.
AC-Series Operator’s Manual-E/F 7
CLEANING DETERGENT PRECAUTIONS
Know the detergent being used. Be prepared to tell a
physician exactly what you are using in the event of an
emergency. Read all detergent labels and follow all
instructions exactly regarding preparation, use, safety,
transportation, and disposal. Keep all detergents out of
the reach of children, pets and livestock.
NEVER spray combustible liquids of any kind.
Do not use highly corrosive detergents or acid-type
cleaners with this washer.
HANDLE CHEMICAL PRODUCTS SAFELY
Direct exposure to hazardous chemicals can cause injury.
Potentially hazardous chemicals used with the pressure
washer includes such items as detergents.
A Material Safety Data Sheet (MSDS) provides specic
details on detergents; physical and health hazards,
safety procedures and emergency response techniques.
Check the MSDS before you start any job using a deter-
gent. That way you will know exactly what the risks are
and how to do the job safely. Then follow procedures and
recommended equipment. (See your John Deere dealer
for MSDS Sheets on products used with this equipment.)
MSDS
8 AC-Series Operator’s Manual-E/F
WEAR PROTECTIVE CLOTHING
Wear close tting clothing and safety equipment appropri-
ate to the job.
Prolonged exposure to loud noise can cause impairment or
loss of hearing.
Wear a suitable hearing protective device such as earmuffs
or earplugs to protect against objectionable or uncomfort-
able loud noises.
Operating equipment safely requires the full attention of
the operator. Do not wear radio or music headphones while
operating machine.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: To reduce the risk of injury, read this operator’s
manual completely. When using this product, the following
basic precautions should always be followed:
1. Read all the instructions before using the product.
2. High pressure water spray can cut skin. Do not “lock”
trigger in the open position. Do not direct spray at
persons. Keep operating area clear of all persons
and pets. Warn children that the water spray can
cut. Supervise children closely.
3. Do not allow children or untrained persons to operate
the washer.
4. Do not spray electrical switches, receptacles or light
bulbs, or glass or fragile objects that may shatter
5. Dirt and debris removed by spray can cause eye
injury. Wear eye protection.
6. Do not move washer with engine running. Always stop
engine and allow washer to cool before handling.
7. Wet surfaces can be slippery. Wear shoes and keep
both feet on the ground. Do not climb on items being
cleaned. Do not overreach or stand on unstable
support. Keep good footing and balance at all times.
8. When the spray trigger is released, water pressure
is trapped in the discharge hose. Release trapped
pressure by triggering the spray gun after the washer
is turned off.
9. Do not operate the washer when fatigued or under
the inuence of drugs or chemicals. Stay alert.
Watch what you are doing.
10. Do not operate the washer if fuel, pump oil or water
leaks are visible. Resume operation ONLY after
washer has been inspected and repaired.
11. Follow the maintenance instruction specied in this
manual.
AC-Series Operator’s Manual-E/F 9
INSPECT HIGH PRESSURE WASHER
Be sure all covers, guards and shields are in place.
Locate all operating controls and safety labels.
Keep all hardware and plumbing ttings tight.
PREPARE FOR EMERGENCIES
Be prepared if a re starts.
Keep a rst aid kit and re extinguisher handy.
Keep emergency numbers for doctors, ambulance service,
hospital and re department near your telephone.
SERVICE HIGH PRESSURE WASHER SAFELY
Before servicing washer, disconnect spark plug wire, relieve
water pressure and allow unit to cool down.
Service washer in a clean dry at area. If applicable, block
wheels to prevent unit from rolling.
10 AC-Series Operator’s Manual-E/F
SAFETY SIGNS FOR AC-2000GH, AC-2400GH, AC-2600GH, AC-2700GH, AC-3300GH,
AC-2400GS, AC-2700GS AND AC-3000GS
SAFETY SIGNS FOR AC-2500GH
Location: Beltguard-Inside
Location: Beltguard-Left Side
Location: Fuel Tank-Top
Location: Beltguard-Top
Location: Beltguard-Backside
34-0768
Location: Fuel Tank-Top
AC-2000GH & AC-2600GH= 34-1023 / AC-2400GH=34-0760 / AC-2700GH=34-0759 / AC-3300GH=34-0761
AC-2400GS=34-1379 / AC-2700GS=34-1380 / AC-3000GS=34-1381
Location: Handle Placard
34-0767
Location: Fuel Tank-Top
34-0568
34-0768
34-0767
34-0567
34-1011
CAUTION/ATTENTION
RISQUE DE FEU: Ne pas
ajouter de combustible lorsque
le produit est en marche ou
encore chaud. Laisser le
moteur refroidir pendant 2
minutes avant de faire le plein.
34-0768-E/F-122199-ENG.
RISK OF FIRE: Do not
add fuel when the
product is operating or
hot. Allow engine to cool
for 2 minutes before
refueling.
WARNING/AVERTISSEMENT
RISQUE DE BRULURES:
SURFACES CHAUDES LE
TUYAU D'ÉCHAPPEMENT ET
LES RÉGIONS ADJACENTES
PEUVENT DÉPASSER LES 65°C.
34-0767-E/F-052901-ENG.
RISK OF BURNS:
HOT SURFACES.
MUFFLER AND
ADJACENT AREAS
MAY EXCEED 150°F.
WARNING/AVERTISSEMENT
Water under pressure may cause serious
injury. Do not point spray nozzle at any
part of the body or place in mouth. Do not
point spray nozzle at any persons.
L'eau sous pression peut provoquer des
blessures. Ne pas diriger la buse de
pulverisatior vers toute partie du corps et
ne pas la placer dans la bouche. Ne pas
diriger la buse de pulverisatior vers toute
personnes.
34-0568-E/F-071801-ENG.
CAUTION/ATTENTION
RISQUE DE FEU: Ne pas
ajouter de combustible lorsque
le produit est en marche ou
encore chaud. Laisser le
moteur refroidir pendant 2
minutes avant de faire le plein.
34-0768-E/F-122199-ENG.
RISK OF FIRE: Do not
add fuel when the
product is operating or
hot. Allow engine to cool
for 2 minutes before
refueling.
WARNING/AVERTISSEMENT
RISQUE DE BRULURES:
SURFACES CHAUDES LE
TUYAU D'ÉCHAPPEMENT ET
LES RÉGIONS ADJACENTES
PEUVENT DÉPASSER LES 65°C.
34-0767-E/F-052901-ENG.
RISK OF BURNS:
HOT SURFACES.
MUFFLER AND
ADJACENT AREAS
MAY EXCEED 150°F.
AC-Series Operator’s Manual-E/F 11
SAFETY SIGNS FOR AC-3500GH
CAUTION/ATTENTION
RISQUE DE FEU: Ne pas
ajouter de combustible lorsque
le produit est en marche ou
encore chaud. Laisser le
moteur refroidir pendant 2
minutes avant de faire le plein.
34-0768-E/F-122199-ENG.
RISK OF FIRE: Do not
add fuel when the
product is operating or
hot. Allow engine to cool
for 2 minutes before
refueling.
RISK OF INJECTION OR SEVERE INJURY. 
Never put your hand, fingers or body directly 
over the spray nozzle.
34-1269-E/F-031501-ENG.
WARNING
AVERTISSEMENT
D'INCEDIE OU INJECTION OU BLESSURES
À LA SÉVÈRE. Ne jamais mettre la main, les
doigts ou une partie du corps directement sur
la buse de pulvérisation.
WARNING/AVERTISSEMENT
RISQUE DE BRULURES:
SURFACES CHAUDES LE
TUYAU D'ÉCHAPPEMENT ET
LES RÉGIONS ADJACENTES
PEUVENT DÉPASSER LES 65°C.
34-0767-E/F-052901-ENG.
RISK OF BURNS:
HOT SURFACES.
MUFFLER AND
ADJACENT AREAS
MAY EXCEED 150°F.
34-0767
Location: Fuel Tank-Top
34-0768
Location: Fuel Tank-Top
34-1011
Location: Beltguard-Inside
34-01269
Location: Lance
34-1010
Location: Beltguard-Backside
12 AC-Series Operator’s Manual-E/F
D
B
A
C
D
B
A
C
Controls
AC-2000GH
PIC161-101599R1
AC-2500GH
AC-2700GH
AC-2400GH
PIC164-101599R1
AC-2400GS
AC-2700GS
PIC62-101599R1
PIC161R-121902R0
PIC62R-121902R0
D
B
A
C
D
B
A
C
B
A
D
B
A
C
AC-2600GH
PIC60-101599R0
D
B
A
C
PIC60-101599R0
AC-Series Operator’s Manual-E/F 13
K
J
H
I
A-- Water Supply Inlet
B-- High Pressure Outlet
C-- Detergent Hose
D-- Pressure Adjusting Knob
E-- High Pressure Hose
F-- Gun
G-- Nozzle
H-- Engine On/Off Switch
I -- Throttle
J-- Choke
K-- Fuel Shut-off Valve
AC-3300GH
HONDA ENGINE
PIC63-101599R0
PIC66-101599R0
Controls
AC-3000GS
SUBARU ENGINE
PIC66R-121902R0
GUN, WAND, HOSE
PIC65-101599R1
D
B
A
C
D
B
A
C
K
J
H
I
G
E
F
AC-3500GH
PIC63R-121902R0
JCW-3504-0JHB
D
B
A
14 AC-Series Operator’s Manual-E/F
CHECK ENGINE OIL
NOTE: All washers are shipped with engine oil. Check
proper level. (AC-2400GH illustrated.)
1. Place unit on level surface.
2. Remove oil ller cap/dipstick (A) and wipe it clean.
3. Insert ller cap/dipstick into oil ller neck, but DO NOT
screw it in.
4. Remove dipstick. Proper oil level is at midpoint of
dipstick (A). Add oil if necessary to bring oil level to
top of threads (B).
5. Install and tighten cap.
NOTE: Oil can be checked using ller cap on either side
of engine.
PIC67-102899R1
Preparing the Washer
GASOLINE ENGINE OIL
Use oil viscosity based on the expected air temperature
range during the period between oil changes.
John Deere TURF-GARD
TM
is preferred. Also
recommended is John Deere PLUS-4
®
.
Other oils may be used if they meet one or more of the
following:
•API Service Classication SH
•API Service Classication SG
•CCMC Specication G4
•CCMC Specication G5
DWG13-102299R0
-40°F
-22°F
-4°F
14°F
32°F
50°F
68°F
86°F
104°F
122°F
50°C
40°C
30°C
20°C
10°C
0°C
-10°C
-20°C
-30°C
-40°C
SAE 10W-40
SAE 10W-30
SAE 5W-30
PIC110-102899R0
A
B
AC-Series Operator’s Manual-E/F 15
FILLING FUEL TANK
CAUTION: Risk of re. Handle fuel carefully.
-Do not add fuel when product is operating. Stop
engine and allow engine to cool for two minutes
before refueling. Hot surfaces can cause burns
and ignite spilled fuel. Do not touch mufer.
-Fill fuel tank outdoors away from ames and
open sparks.
-Do not smoke when lling fuel tank.
-Do not overll fuel tank. (There should be no
fuel in ller neck.)
-Avoid spilling fuel. Wipe clean after refueling.
-Move from refueling area before starting.
-Prevent fires by keeping engine clean of
accumulation, grease, trash and debris.
IMPORTANT: Do not permit dirt or other foreign matter
to enter the fuel system. This will cause
hard starting, poor performance and
engine damage. Always use clean fuel
storage containers and funnels.
Use clean, fresh, lead-free gasoline. Do not use stale
gasoline or gasoline that has been stored for a long
time. Stale gasoline does not vaporize properly, causing
hard starts. Use of TY15977 gasoline stabilizer is highly
recommended . Use of leaded gasoline or gasohol is NOT
recommended.
IMPORTANT: Do not mix oil with gasoline.
1. Wipe dust and dirt from around fuel tank. Remove
ller cap (A) and place cap in a clean area away from
mufer.
2. Slowly ll the fuel tank to bottom of ller neck with lead
free gasoline. Do not overll, leave approximately 5mm
(0.19 in.) of open space at the top of the tank for fuel
expansion.
3. Replace and tighten ller cap.
Fuel Tank Capacity
AC-2000GH .................................. 1.72L (0.46 gal)
AC-2400GH .................................. 3.60L (0.95 gal)
AC-2400GS .................................. 3.60L (0.95 gal)
AC-2500GH .................................. 6.51L (1.72 gal)
AC-2600GH .................................. 1.72L (0.46 gal)
AC-2700GH .................................. 3.60L (0.95 gal)
AC-2700GS .................................. 3.60L (0.95 gal)
AC-3000GS .................................. 6.00L (1.58 gal)
AC-3300GH .................................. 6.51L (1.72 gal)
AC-3500GH .................................. 6.51L (1.72 gal)
A
Preparing the Washer
16 AC-Series Operator’s Manual-E/F
INLET WATER SUPPLY REQUIREMENTS
1. Inlet water supply must be a minimum of 20 PSI (1.4
bar).
Attempting to operate the washer with less than
adequate water supply will cause rapid wear of
packings, valves and bearings that will dramatically
shorten pump life. Symptoms of inadequate water
supply are pump shuddering and attening of the
supply hose.
2. Inlet water ow must be at least 125% of pump rated
ow (see table below). Check volume by timing how
long it takes to ll a 5 gallon (19 L) container. For
example, a ow rate of 3.0 GPM would ll a 5 gallon
container in 5/3 minute (100 seconds).
3. Water supply hose should be a good grade of garden
hose with a minimum I.D. 5/8 in. (16mm) and no longer
than 50 ft. (15.24 m). If longer supply hose must be
used, check to be certain ow is at least equal to the
“GPM Supply Required” value listed at the bottom of
this page for your washer.
4. If non-pressurized (static draw) water supply is used,
check to be certain ow is at least 125% of pump
rated ow (see table below). In static draw situations,
water ow rate (GPM) can be increased by elevating
the water supply tank or changing to a larger inside
diameter water supply hose.
5. Adding on extension to the supply hose will reduce
water ow rates. Check for adequate water ow rate
each time an extension is added. Water ow rates
can be increased by using the largest possible internal
diameter supply hose.
IMPORTANT: Inlet water temperature must not be more
than 125° F (60° C). Damage to the pump
may result.
Washer Rated Flow GPM Supply
(GPM) Required
AC-2000GH ............... 2.5 ............................3.1
AC-2400GH ............... 2.4 ............................3.0
AC-2400GS ............... 2.4 ............................3.0
AC-2500GH ............... 4.4 ............................5.5
AC-2600GH ............... 2.4 ............................3.0
AC-2700GH ............... 2.4 ............................3.0
AC-2700GS ............... 2.4 ............................3.0
AC-3000GS ............... 3.0 ............................3.8
AC-3300GH ............... 3.3 ............................4.1
AC-3500GH ............... 3.7 ............................4.6
PIC4-092299R0
Preparing the Washer
AC-Series Operator’s Manual-E/F 17
PIC72-101199R0
CHECK PUMP OIL
1. Put unit on level surface.
2. Check oil as follows:
•ALL MODELS: View level through clear window (A). Oil
should ll sight glass.
•Additional method for AC-2500GH, AC-2700GH,
AC-3300GH, AC-2700GS, AC-3000GS and AC-3500GH
only:
- Remove dipstick (B) and wipe clean. Put dipstick
in hole. Remove dipstick and check level. Oil level
should be located at notch (C) on AC-2500GH and
at dipstick ring (D) on AC-2700GH, AC-3300GH,
AC-2700GS, AC-3000GS and AC-3500GH.
3. Add HY-GARD
®
or SAE75W-90 Synthetic oil if
necessary. Do not overll.
HY-GARD
®
SAE75W-90 Synthetic
AC-2500GH AC-2000GH
AC-2700GH AC-2400GH
AC-2700GS AC-2400GS
AC-3000GS AC-2600GH
AC-3300GH
AC-3500GH
PIC69•101199R1
PIC71•102299R0
PIC70-101199R0
D
C
AC-2000GH / AC-2400GH
AC-2600GH / AC-2400GS
AC-2500GH
AC-2700GH / AC-3300GH
AC-2700GS / AC-3000GS / AC-3500GH
A
B
A
A
B
Preparing the Washer
18 AC-Series Operator’s Manual-E/F
CONNECT DISCHARGE HOSE TO GUN
CAUTION: Check pressure rating printed on the
hose. Use proper hoses.
Use ONLY hose #851-0338, working pressure of
4000 PSI with the AC-3300GH and AC-3500GH
pressure washer.
Hose #851-0007, with working pressure of
3000 PSI can safely be used on AC-2000GH,
AC-2400GH, AC-2400GS, AC-2500GH, AC-2600GH,
AC-2700GH, AC-2700GS and AC-3000GS.
1. Retract locking ring (A) of hose quick-connect tting
and insert gun quick-connect male tting.
2. Slide locking ring forward. Tug hose gently to ensure
solid connection.
NOTE: Some hoses are pre-assembled to the gun and can
not be detached.
IMPORTANT: DO NOT attach nozzle wand to gun handle
until water system is primed.
PIC74•102299R0
PIC75•102299R0
Preparing the Washer
A
AC-Series Operator’s Manual-E/F 19
Preparing the Washer
CONNECT HOSES AND PRIME PUMP
IMPORTANT: Be sure that inlet water screen (A) is clean and in
place before connecting water supply hose to
AC-200 0GH, AC-24 00GH, AC-26 00GH,
AC-27 00GH, AC- 3300G H, AC-240 0GS,
AC-2700GS and AC-3000GS washers. The
water pump and valves could be damaged
from contaminants.
IMPORTANT: If washer is to be connected to a well water
system, use 19-0206 water inlet lter (A). This
will increase sand ltering capability and
avoid damage to the pump.
NOTE: Filling supply hose with water before attaching to pump
will greatly reduce priming time.
1. Prime water supply hose. Shut off water.
2. Connect water supply hose (B) to washer inlet. Be sure
water supply and hose meet specications. Do not turn
water on at this time.
CAUTION: Check pressure rating printed on
the hose. Use proper hoses. Use ONLY hose
#851-0338, working pressure of 4000 PSI with the
AC-3300GH and AC-3500GH pressure washers.
Hose #85 1-00 07, w ith work ing pres sure of
3000 PSI can safely be used on AC-2000GH,
AC-2400GH, AC-2400GS, AC-2500GH, AC-2600GH,
AC-2700GH, AC-2700GS and AC-3000GS.
3. Connect high pressure hose (C) to washer outlet. Give
hose a slight tug to be sure hose is connected.
4. Open water supply. Squeeze trigger on gun. Allow water to
run (without engine running) until water runs out of pressure
hose. Start engine and cycle trigger on gun until “crackling”
sound (air in lines) stops. Turn off water supply.
PIC77•102299R1
PIC78•102299R1
PIC80-A•102299R1
AC-2000GH / AC-2400GH
AC-2600GH / AC-2400GS
AC-2700GH / AC-2700GS / AC-3000GS / AC-3500GH AC-2500GH
A
B
C
PIC79•102299R1
B
C
C
B
AC-2000GH / AC-2400GH
AC-2600GH / AC-2400GS
20 AC-Series Operator’s Manual-E/F
INSTALLING NOZZLE
CAUTION: To avoid injury from escaping uids
under pressure, relieve the pressure in the
system by stopping the washer and depressing
gun trigger. Lock trigger before changing or
adjusting nozzle.
Be sure nozzle is tightly attached before operating
to help prevent nozzle release.
1. Retract locking ring (A) of quick-connect tting and
insert male quick-connect tting of nozzle (B).
2. Push ring forward and lock nozzle in place. Be sure
nozzle is fastened to wand.
FINAL CHECKLIST
1. Check engine oil and fuel.
2. Check water pump oil level.
3. Open water supply completely.
4. Check all hose connections.
5. Check hoses for kinks.
PIC81•102299R0
Preparing the Washer
A
B
AC-Series Operator’s Manual-E/F 21
Operating the Washer
STARTING AND OPERATING ENGINE
CAUTION: Do not run engine in an enclosed area.
Exhaust gas contains carbon monoxide, an odorless
and poisonous gas that can cause sickness or
death.
IMPORTANT: To prevent possible pump damage, do not
allow washer pump to run in bypass (with gun
trigger released) for longer than 3 minutes.
IMPORTANT: During rst two hours of engine operation,
engine may operate at low or erratic RPM as
the engine moving parts break in.
NOTE: AC-2000GH, AC-2400GH & AC-2400GS illustrated.
1. Set fuel valve lever (A) right to ON position. (Not applicable
on AC-2000GH / AC-2600GH.)
2. Move choke control lever (B) left to “CHOKE” position.
(AC-2000GH / AC-2600GH: Pull choke control lever (B)
out.)
NOTE: A warm engine requires less choking than a cold
engine.
3. Move throttle lever (C) to the left. (AC-2000GH / AC-
2600GH: Move throttle lever (C) upward.)
4. Turn engine switch (D) to “ON” position. (Not applicable
on AC-2000GH / AC-2600GH)
5. Place foot on washer frame.
6. Point nozzle away from people, animals or fragile materials
and squeeze gun trigger.
CAUTION: Be sure nozzle output end is not directed
at bystander or objects. Pressurized output spray
will start almost instantaneously at engine start-up
and can cause serious personal injury or property
damage. Release trigger immediately upon engine
start.
7. Pull recoil starter grip lightly until resistance is felt, then pull
briskly until engine starts.
IMPORTANT: Do not allow starter grip to snap back against
engine. Return it gently to prevent damage
to starter.
IMPORTANT: To avoid loss of lubrication to the engine,
operate engine on a level surface. Do not
exceed a 15° slope or automatic low oil
switch will stop engine. (Not applicable on
AC-2000GH / AC-2600GH)
8. As engine starts to falter, move choke control lever (B) right
to OPEN position.
9. Position throttle lever (C) to desired speed.
STOPPING THE ENGINE
AC-2000GH / AC-2600GH ONLY:
IMPORTANT: To stop engine in emergency, turn throttle (C)
down to ‘OFF” position.
1. Move throttle lever (C) to “OFF”.
2. Trigger gun to relieve spray.
ALL OTHER MODELS:
IMPORTANT: To stop engine in emergency, turn engine
switch (D) to ‘OFF” position.
NOTE: AC-2400GH and AC-2400GS illustrated.
1. Move throttle lever (C) fully to the right.
2. Turn engine switch (D) to “OFF” position.
3. Move fuel valve (A) left to “OFF” position.
4. Trigger gun to relieve spray.
PIC66R•121902R0
C
D
A
B
PIC158•113099R0
C
B
AC-2000GH
AC-2400GH
DWG14-102299R0
PIC66•102299R0
AC-2400GS
D
C
A
B
22 AC-Series Operator’s Manual-E/F
LOCKING GUN TRIGGER
CAUTION: Gun trigger should be locked when not
in use or whenever adjustments are being made
to gun or nozzle. This will help prevent accidental
discharge of high pressure uid.
1. Pivot lock (A) down to prevent trigger engagement.
2. Pivot lock up to release trigger.
ADJUSTING WATER PRESSURE
Turn pressure adjusting knob (A) clockwise to increase
pressure and counterclockwise to decrease pressure.
NOTE: Water pressure is preset on AC-2500GH washers
and should only be serviced by an authorized
dealer.
PIC83-090199R1
AC-2700GH / AC-3300GH
AC-2700GS / AC-3000GS / AC-3500GH
PIC155-113099R0
AC-2000GH / AC-2400GH
AC-2600GH / AC-2400GS
A
A
Operating the Washer
PIC73-102299R1
A
AC-Series Operator’s Manual-E/F 23
PIC81-102299R0
PIC85-102299R0
CHANGING NOZZLE
CAUTION: High pressure spray can cause serious
injury. Keep away from spray. Never point the gun
at yourself or anyone else. Never put your hand,
ngers, eyes or body directly over spray. Do not
point spray toward fragile materials.
CAUTION: To avoid injury from escaping uids
under pressure, relieve the pressure in the system
by stopping the washer and depressing gun
trigger. Lock trigger before changing or adjusting
nozzle.
Be sure nozzle is tightly attached before operating
to help prevent nozzle release.
1. Retract locking ring (A) of quick-connect tting and
remove nozzle (B).
2. Insert nozzle and push ring forward and lock nozzle in
place. Be sure nozzle is fastened to wand.
SELECTING THE PROPER NOZZLE
Pressure and volume are partially determined by the size
of the orice in the nozzle. Standard numbers are on the
nozzles to indicate spray pattern and orice size. For
example, a nozzle stamped 25055 has a 25° spray pattern
and a 5.5 orice.
0° NOZZLE-RED
This nozzle is a blasting nozzle, delivering a concentrated
stream of water.
IMPORTANT: Care must be used to avoid gouging wood
or damaging fragile surfaces.
Recommended uses are as follows:
-Removing stains from concrete, masonry, aluminum
and steel.
-Remove weeds from sidewalk cracks.
-Remove caked-on mud from equipment.
-Clean lawn mower underdeck.
B
A
Operating the Washer
24 AC-Series Operator’s Manual-E/F
Operating the Washer
15° NOZZLE-YELLOW
This nozzle provides a chiseling effect suitable for surface
preparation. The spray should be directed at a 45° angle to
the surface. Recommended uses are:
-Removing peeling paint.
-Removing mildew stains.
PIC86-102299R0
25° NOZZLE-GREEN
This is a ushing nozzle. It produces a brush effect with
a narrower spray pattern and more concentrated spray
pressure. Recommended uses are:
-Wet sweeping leaves from walks and drives.
-Cleaning stable oors.
-Cleaning swimming pool bottoms.
-Cleaning barbecue grill.
PIC88-102299R0
40° NOZZLE-WHITE
This nozzle is a general purpose nozzle with a wide angle
spray pattern. It is recommended for rinsing and light
cleaning. Uses are as follows:
-Cleaning windows and aluminum siding.
-Vehicles (normal road dirt).
-Cleaning sidewalks, drives and patios.
PIC87-092299R0
DETERGENT INJECTOR NOZZLE-BLACK
(BRASS)
This nozzle must be used with and is included in the
detergent injector kit. This nozzle will allow a soft
spray to soak on a surface with a liquid detergent. It is
recommended for applying cleaning solution for removing
mildew and oxidation stain from houses; or cleaning
effervescent brick.
PIC89-102299R0
AC-Series Operator’s Manual-E/F 25
Operating the Washer
CLEANING HORIZONTAL SURFACES
Move nozzle wand from side to side. Direct spray at an
angle to force debris ahead and away from the cleared
area.
Depending on the material to be removed and nozzle
pressure, hold nozzle end 8 to 10 inches (20 to 25 cm) from
the surface and use slow, overlapping strokes. If debris
is easy to remove, move nozzle back to cover more area
for faster cleaning.
CLEANING VERTICAL SURFACES
IMPORTANT: Remember that the washer can deliver
a high pressure spray that can break
glass and gouge soft wood and other
materials.
When cleaning building interiors or exteriors without
detergents, work from top to bottom. This will help
eliminate streaks. In interiors, start with the ceiling rst,
then the walls and the oor last.
Clean around windows carefully. If glass panes are not
well-caulked and puttied, the high pressure spray could
break the glass.
Never spray directly overhead. Always spray ahead to
avoid dripping or falling debris.
8" - 10"
(2 0-25 cm)
26 AC-Series Operator’s Manual-E/F
Operating the Washer
REMOVING PAINT
IMPORTANT: Remember that high pressure spray can
gouge soft woods and other materials, as
well as loosen grout.
1. Direct spray at a 45° angle about 4 to 12 inches (10 to
30 cm) from surface.
2. Spray in a back and forth motion, try to get beneath
the loose and bubbled paint.
3. Do not be concerned with the paint that remains. It
should be sufficiently bonded so as not to cause
repainting problems.
4. Some remaining paint may curl up at the edges. These
edges should be scraped with a steel brush or scraper
just before painting.
CLEANING RADIATOR FINS
IMPORTANT: Some engine and radiator manufacturers
may not permit cleaning radiators with a
high pressure washer. See equipment
Operator’s Manual.
1. Use clean water without detergent.
IMPORTANT: Spray straight into the radiator to prevent
bending ns.
2. If possible, direct spray in the direction opposite to
normal air ow through the radiator.
AC-Series Operator’s Manual-E/F 27
Operating the Washer
DETERGENT USAGE GUIDE
CAUTION: Use detergents carefully. Read
labels thoroughly and follow all instructions
for preparation, use, safety, transportation and
disposal. Be prepared to tell a physician exactly
what detergents you are using in the event of an
emergency. Keep all detergents out of reach of
children.
Be aware that two detergents can be mixed
on the sprayed surface. In this regard, some
detergents may give off harmful fumes or start
an unpredictable chemical reaction when mixed
with another detergent.
NEVER SPRAY FLAMMABLE LIQUIDS such as
gasoline, fuel oil, alcohol, naptha, etc.
The washers are designed to dispense John Deere
approved cleaners and degreasers.
IMPORTANT: Using detergents other than John Deere
approved cleaners and degreasers is
NOT recommended.
If the use of detergents other than those approved by
John Deere is desired, be sure to read and follow all
detergent labels exactly regarding preparation, use,
safety, transportation, and disposal. Keep in mind that the
washer’s detergent system further dilutes the detergent
with water, and that some detergents may not be
concentrated enough to properly work with the system.
Some detergents may not give premix instructions and
may require experimenting to determine proper dilution
for your application.
If you are not familiar with the detergent, always test
a small area of the surface to be cleaned for adverse
reaction. Do this a day in advance. Thoroughly rinse
area with water.
28 AC-Series Operator’s Manual-E/F
CLEANING WITH DETERGENTS
(ACCESSORY ON AC-2500GH & AC-3500GH
ONLY)
CAUTION: Wear goggles, respirator, and
protective clothing to help prevent injury from
detergents and spray.
IMPORTANT: DO NOT direct pressure washer spray at
the washer.
1. Mix detergent as instructed by the manufacturer.
2. Be sure that water supply is adequate and turned on
fully.
3. Install detergent valve at location (A).
4. Insert detergent hose into solution. Be sure that hose
is clear and fully submerged in solution.
IMPORTANT: The detergent system will work only if the
detergent nozzle is installed.
5. Install detergent nozzle (B). (Black nozzle with brass
body.)
6. Start washer and squeeze gun trigger. If detergent
does not spray within one minute, check to make
sure the detergent hose is in the solution and is not
plugged.
PIC90-101599R1
PIC89-102299R0
AC-2500GH Illustrated
Operating the Washer
PIC55-101599R0
Detergent Injector
A
B
AC-Series Operator’s Manual-E/F 29
Operating the Washer
NOTE: Detergent ow rate (concentration) can be adjusted
using plastic knob for AC-2700GH / AC-2700GS and
AC-3300GH / AC-3000GS / AC-3500GH washers.
Turn knob counterclockwise for increased detergent
ow (higher concentration). Siphon ratios will vary
due to temperature and viscosity of detergent.
7. To help avoid streaking, apply detergent to the lowest
surface rst, and move up, using long overlapping
strokes. Allow solution to soak for several minutes.
IMPORTANT: Remember that high pressure spray can
gouge soft woods, damage other materials
and loosen grout.
8. Install a pressure nozzle. With the nozzle approximately
6 to 10 inches (15 to 25 cm) and at an angle to the
surface, power rinse the area from the top down.
9. If surface is not clean, repeat the above procedures.
IMPORTANT: To avoid damage and contamination with
other detergents, siphon a gallon (3.78 L) of
clear water through the system after each
use.
PIC92-102299R1
A
AC-2700GH / AC-3300GH
AC-2700GS / AC-3000GS / AC-3500GH
30 AC-Series Operator’s Manual-E/F
SHUTDOWN
IMPORTANT: Shutdown procedures should be followed
at the end of each cleaning operation.
1. If a detergent was used, place detergent inlet strainer
in CLEAN water and operate trigger to spray water for
a period of three minutes. This will ush the system of
detergents and help prevent the detergent valve from
sticking or corrosion.
2. Run engine at idle for 2-3 minutes.
3. Turn engine off:
AC-2000GH / AC-2600GH:
a. Move throttle lever (A) to “OFF”.
ALL OTHER MODELS: (AC-2400GH / AC-2400GS
illustrated.)
a. Move throttle lever (A) fully to the right.
b. Turn engine switch (B) to “OFF” position.
c. Move fuel valve (C) left to “OFF” position.
4. Turn inlet water supply off. Squeeze trigger momentarily
to relieve pressure. Disconnect hoses.
5. Allow engine to cool, then wipe washer down with a
damp cloth.
PIC93-102299R0
PIC158•113099R0
A
A
B
C
AC-2000GH / AC-2600GH
AC-2400GH
Operating the Washer
AC-2400GS
PIC93R-121902R0
B
A
C
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