Page 1
Cam Spray
520 Brooks Road
Iowa Falls, IA 50126
toll free: 1.800.648.6007
fax: 1.641.648.5013
e-mail: [email protected]
Cam Spray Hot Water Models
Gas-powered, diesel-fired hot water power washers
Manual Version 082501
MMooddeell
1700SHDR
25006QD
3000QB
3000QD
3000QH
4000QB
2000TRDH
3000TRDH
3000TRDB
4000TRDB
HHoorrsseeppoowweerr
6.0 Robin
6.5 Diesel
13.0 Vanguard
10.0 Diesel
13.0 Honda
16.0 Vanguard
11.0 Honda
13.0 Honda
13.0 Vanguard
16.0 Vanguard
FFuueell ttyyppee
For all:
No. 1
diesel,
No. 2
diesel,
or
kerosene
WWeeiigghhtt sshhiipp//nneett ((llbb))
380
380
570
570
570
600
600
600
600
600
GGPPMM
3.0
3.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
PPSSII
1700
2500
3000
3000
3000
4000
2000
3000
3000
4000
Images, from left, illustrate SH-style, Q-style, and TR-style pressure washers.
SH Series TR Series
OPERATORS MANU
AL
Q Series
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Thank you
Statement of warranty
Thank you for selecting our products. Our personnel have proudly made every effort to ensure that your new
pressure washer is of the quality you expect. But things do occasionally g o wrong. This is why every pressure
washer is covered b y a limited warranty. Among other things, this warranty provides for the replacement of parts
found to be defective during the operation of your new pressure washer. Please note that the owner/operator
has certain obligations under the ter ms of the warranty. Be sure to read this manual for directions on proper
installation, start-up, use, and storage of your pressure washer.
Y our new pressure w asher w as tested after production for proper pressure and flow. Please note that this process
will sometimes leave a water residue in the pump. The dealer you have purchased your new machine from should
review with you the proper installation, start-up, use, and storage. Most ‘big’ problems occur when shortcuts are
taken in one of these processes. If a problem occurs that you need some assistance with, please feel free to contact us at the listing below:
Be familiar with the model plate located on your machine.
Warranty Ser vice Center
520 Brooks Road
Iowa Falls, IA 50126
1.800.648.6007
The manufacturer of this pressure washer agrees to repair or re place designated par ts that prove defective within one year from date of original purchase. Specific limitations and exclusions apply. To make claim under the
terms of the warranty, all parts said to be defective must be returned to the Warranty Service Center listed above
for warranty inspection. The judgments and decisions of the factory personnel concerning the validity of warranty claims are final.
Items not covered by the warranty given by us include motors, engines, and pumps. These components are covered by warranties given by their respective manufacturers. These war ranties pass through to the end user. As a
factory authorized and trained warranty ser vice center, the factor y will honor the ter ms of all component warranties and satisfy claims of the appropriate warranty provisions.
Normal wear items are not covered by this warranty. Nor mal wear items include hoses, nozzles, filters,
valves, and seals.
This warranty does not cover the following: machines used for rental purposes, damage resulting from shipping,
accident, abuse, misuse, or neglect. Also not covered is damage from repairs or alterations perfor med by nonfactory authorized personnel or failure to install and operate equipment according to the guidelines put forth in
the instruction manual.
The manufacturer will not be liable to any persons for consequential damage, for personal injury, or for commercial loss.
Engine exhaust from this product contains chemicals known to
the State of California to cause cancer, bir th defects, or other
reproductive harm.
2
Please make note of Model Identification
Model
Code
Serial #
Always have this information when calling
Warranty Service Center.
WARNING
Page 3
WARNING
The following warnings must be followed.Failure to follow these w arnings could result in
serious personal injury or death!
Never allow children or untrained personnel to operate machinery.
Gun kicks back--hold with both hands.
Electrical equipment can cause shock and sparks.
Do not bypass or remove the grounding prong in any electrical plug.
Keep electrical plugs, connections, and cords out of water and moisture.
Disconnect from power source before servicing.
Inspect and repair damaged or exposed electrical components prior to use.
Never splice electrical cords on pressure washers.
Be sure electrical service is adequately sized for the equipment.
Exhaust fumes contain harmful gasses.
Exhaust gasses can cause death or serious injury.
Use only in well ventilated areas or vent the exhaust to the outside.
High pressure water can cause death or serious injury.
Warning--high temperature water.
Wear protective clothing and face shield.
Do not direct water stream toward self or others.
All hoses should be secured in the lines to be cleaned at least five feet.
Pressurized fluid streams and ruptured pressure vessels can cause death or serious
injury.
High pressure fluid can create a high pressure stream or ruptured vessel.
Wear a safety face shield.
Relieve pressure before servicing.
Do not modify, repair, or rework vessel or change safety relief or pressure setting.
Do not direct stream toward self or others.
Fire can cause death or serious injury.
Kerosene, fuel oil, and gasoline will burn when ignited.
Wear face shield and protective clothing.
Do not expose fuel to flames, sparks, or other sources of ignition.
Use in well ventilated area or vent to outside area.
Save these instructions
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Page 4
Initial setup and operation of your new pressure washer
When you receive your pressure washer, be sure you check for concealed freight damage. Any
damage should be noted with the delivering carrier. If you have any questions related to freight,
call the 800 number listed in the front of the manual.
Check all oil levels in the pump or engine, if applicable. Failure to check all levels will result in
equipment damage. Most pumps are shipped with oil from factory and the crankcase are sealed,
you may have to remove a shipping plug and install a dipstick in the pump.
Most engines are
shipped without
oil, be sure to check these oil levels.
Your water supply must provide water to the equipment that exceeds the Gallon Per Minute
(GPM) rate of your machine. You can check your GPM by using a five gallon bucket and a
timer. If your machine is five GPM or less and the bucket fills in less than a minute you have
adequate supply. Some systems are effected by things like washing machines, livestock watering systems, and flushing toilets. Be sure the supply is still adequate when these operations are
taking place. The water temperature cannot exceed 145 degrees Fahrenheit. Water pressure
should not exceed 60 PSI.
Failure to secure adequate water supply will result in pump
damage. Do not run pump dry.
Your water should not contain particles larger than 80 microns. Although there are small filters
installed on pressure washers that filter the water, they can only filter poor quality water for a
short period of time before they clog. Clogging would result in damage to the machine.
Therefore you should insure no sand or scale particles are present in the water supply.
Hook a garden hose from the hydrant to the machine, when doing this be sure to check the
inlet water filter or screen. This hose should be at least 5/8’ diameter and a length at least 15
feet. This 15 foot length helps isolate the water supply from pulsations from the pump.
Many
states require a Vacuum Break or backflow preventer be installed at the hydrant
,
before the garden hose, to insure the water source cannot be contaminated. Be sure to check
local and state regulations upon installation.
Turn on the water supply and open the trigger gun, this will purg e all the air from the system.
Look for water leaks and stop any leak found. Leaks can cause erratic pump behavior.
Turn equipment off and allow time to cool before refueling. Fill the burner tank labeled ‘fuel’.
Be sure the fuel is clean and free from moisture and particles.
Use only No. 1, No. 2 or
kerosene, no other fuel should be used!
There is a fuel filter in the line. Check this filter
prior to operation. Do not run fuel pump dry, doing so will damage the fuel pump.
Prior to starting the engine, check the oil in the engine and pump. Be sure they are at proper
operating levels and that the correct oil for the conditions is being used. Check your engine
manual for oil type and conditions and the pump breakdown for proper oil for the pump.
Be sure your engine is full of fresh, clean fuel.
Start your engine following the instructions in the engine manual. Be familiar with fuel shutoff,
throttle control, choke, and shutoff switch before starting. Allow engine to warm at half throttle for one to two minutes before operating washer. Run engine at half throttle for one to two
minutes before shutting down.
Inspection
for freight
damage
Inspection
of oil levels
Water supply
Water quality
Supply hose
Purge air
Burner fuel
Pump/
engine
Fuel
Starting
engine
4
Page 5
Shut down procedure
Initial setup and operation of your new pressure washer, cont.
The pressure was set at the factory during the testing procedure, no adjustments to the machine
should be required for operation. During operation the burner may cycle on and off. The
adjustable thermostat may be set to desired temperature. Water temperature will not ex ceed 190
degrees, the safety switches will shut the burner down.
During operation do not leave the
machine running for more than two minutes without the trigger gun being pulled.
Although your machine has a by-pass v alve on it and may have a thermal relief system, this can
cause extensive pump damage.
If machine will not be discharging water for more than
two minutes, shut the machine off.
Your machine is supplied with interchangeable spray tips. The colored tips are for high-pressure rinse at different spray angles. The red tip sprays at zero degrees; yellow, fifteen degrees;
green, twenty-five degrees; and white, forty deg rees. The yellow tip is used for most standard
applications.
Be sure the quick coupler is fully engaged before pulling the trigger gun.
Failure to do so may result in the tip becoming a projectile and may be lost and damage to property and persons may occur.
Your pressure washer is supplied with a downstream chemical injector. The 1/4” clear vinyl
tube is to be inserted into the desired chemical to apply. Be sure the nozzle with the large hole,
approximately 1/8”, is used when desiring to inject chemical. The chemical injector will only
open up and allow chemical into the line when this tip is used. This tip enables the pressure to
drop to approximately 250 PSI to draw chemical. This is done by turning the side handle on
the wand, this is a valve that allows the water to flow through the wand and through the chemical tip. The rate of injection can also be set by turning the knob that the clear vinyl tube attaches to.
Be sure to flush injection system with clear water after use.
If an accurate injection rate is desired, use this formula.
(GPM x 128) / ounces drawn in one minute = x: 1
IE: If a 2.0 GPM machine draws eight ounces of chemical in one minute: 2 x 128
8 = 32:1
1. Turn off the power switch on the burner. Continue to r un the pressure washer and pull
the trigger to circulate water through to cool the coil.
2. After several minutes when water is cool, shut off the pressure washer motor or engine.
3. Shut off water supply and disconnect g arden hose.
4. Be sure to double check for water leaks or oil leaks that should be repaired before the next
operation.
If you are going to store the machine for extended period of times in cold climates be sure to
winterize the equipment. If you have a gas engine, be sure to treat the fuel for storage. A fifty
percent anti-freeze solution may be drawn in through the inlet of the pump using a short remnant of garden hose. This fluid should be r un through the pump and coil. When the fluid is
discharged from the coil discharge your machine is winterized.
Do not allow machine to
freeze.
The pump oil should be changed after the first fifty hours of operation, then every year for
average service or more frequently for extensive use or hostile environments (dusty or high
moisture).
During
operation
Interchange-
able tips
Chemical
injector use
Calibration
Storage
Winter
storage
Pump
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Page 6
Engine oil should be changed per the manufacturers recommendations.Refer to enclosed manufacturer’s literature.
Water, oil, fuel filters, hoses and fittings should be checked prior to every operation for cleanliness, leaks and needed re pair and replacement.
Engine
Filters
Shut down procedure, cont.
Troubleshooting: common problems and solutions
Cause
-Switch in ‘off’ position
-Low oil level in engine
-Circuit breaker tripped
-Water supply not turned on
-Plugged nozzle on wand
-Trigger gun off or malfunctioning
-Plugged spray nozzle
-Inlet screen is plugged
-Insufficient water supply
-Unloader valve stuck open
-Plugged inlet or discharge hose
-Use of additional lengths of hose
-Soap control valve open
-Partially plugged spray nozzle
-Worn nozzle
-Soap (low pressure tip installed)
-Restricted or leaking water hose
-Cavitation (inadequate water supply)
-Worn pump packings
-Fouled inlet or discharge valves
-Broken valve spring
-Worn or restricted unloader valve
-Restricted discharge
-Valve on gun/wand not open
-Injector valve not turned on
-Discharge hose too long
-Clogged injector pick-up hose
-Clogged injector
-Worn plungers or packings
Malfunction
PPrreessssuurree wwaasshheerr wwiillll nnoott rruunn
UUnniitt rruunnss bbuutt nnoo wwaatteerr ddiiss-
cchhaarrggeess
LLooww nnoozzzzllee pprreessssuurree
SSuurrggiinngg pprreessssuurree oorr ddrroopp iinn
pprreessssuurree
PPrreessssuurree aatt ppuummpp bbuutt llooww ddiiss-
cchhaarrggee pprreessssuurree aatt gguunn
CChheemmiiccaall iinnjjeeccttoorr nnoott wwoorrkkiinngg
pprrooppeerrllyy
WWaatteerr lleeaakkss ffrroomm ppuummpp mmaannii-
ffoolldd
Remedy
-Turn switch to ‘on’ position
-Fill oil to proper level
-Reset circuit breaker in main panel
-Turn on water supply
-Remove, clean, or replace nozzle
-Remove, repair, or replace trigger gun
-Remove nozzle and clean or replace
-Remove filter and clean or replace
-Secure adequate water supply
-Disassemble and clean; repair or replace
-Flush or replace hoses
-Reduce discharge hose length.
-Close valve
(refer to pg 11 gun/wand breakdown)
-Remove nozzle and replace or clean
-Remove and replace nozzle
-Remove and install one of the nozzles
-Check inlet hose and filter; clean or replace
-Secure adequate water supply
-Inspect and replace worn packings
-Inspect valves and clean or replace
-Inspect and replace valve spring
-Inspect unloader and repair or replace
-Check for discharge obstructions in injector
-Open valve by turning forward handle counterclockwise. (see wand breakdown page 10)
-Turn on injector by turning fitting on injector
-Reduce hose length or reposition injector to
within forty feet of trigger gun
-Remove and clean or replace
-Disassemble, clean, and reassemble
-Inspect and replace
Despite the complexity of your power washing equipment, a number of common complaints stem from relatively simple problems. With guidance, the user can identify and remedy many common problems.
Always disconnect the power supply before attempting to service any equipment.
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Page 7
Cause
-Leak in trigger or discharge
-High humidity or direct water spray
-Worn seals
-Burner switch in ‘off’ position
-Burner switch on but pump switch off
-Inadequate fuel supply
-Plugged fuel filter
-Trigger gun not pulled on
-Thermostat turned off
Malfunction
UUnnllooaaddeerr ccyycclleess wwhheenn gguunn iiss
sshhuutt ooffff
WWaatteerr iinn ccrraannkkccaassee
WWiillll nnoott pprroodduuccee hhoott wwaatteerr
Remedy
-Inspect leaking fittings and repair or replace
-Reduce oil change intervals
-Replace seals
-Turn burner switch on
-Turn on pump switch (must be on for heater to
operate properly)
-Fill tank with kerosene, no. 1 or no. 2 diesel
-Replace fuel filter
-Pull trigger gun (water flow must go through
coil to operate heater
-Turn thermostat dial to the ‘on’ position
Troubleshooting: common problems and solutions, cont.
For problems beyond those listed, refer to flow chart included with the burner breakdown.
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Page 8
Burner troubleshooting
Pump is running
Burner is running
Burner will not fire
Check fuel supply
Check transformer by arching an
insulated handle across contacts.
Disconnect power supply. Is fuel filter
clean? Does fuel flow freely? Is fuel at
bleeder on fuel pump?
Test fuel solenoid circuit:
1. Disconnect power supply
2. Unplug black & yellow leads
3. Plug black female into yellow male
4. Connect power supply
5. Start machine using normal procedure
Does burner fire?
Test Thermostat circuit:
1. Disconnect power supply
2. Connect the yellow leads together
3. Plug orange male into black female
4. Connect power supply
5. Start machine using normal procedure
Does burner fire
Replace thermostat
While machine is running, disconnect
fuel line at burner housing. Is fuel
flowing?
Fill fuel tank
Replace transformer
Check for plugged burner nozzle and
properly spaced electrodes. If ok,
replace electrodes.
Clean or replace filter. Clean or look
for pinched hoses.
Clean or replace fuel solenoid
Test flow switch circuit:
1. Disconnect power supply
2. Connect the black leads together
3.Plug the yellow male into the orange
female
4. Connect power supply
5. Start machine using normal procedure
Does burner fire?
Tank empty
Tank full
Transformer does not operate
No
No
No
Transformer operates
No
Yes
Yes
Yes
Yes
Clean or replace flow switch
Yes
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Page 9
Reference
Pump may look different but the locations of these items are similar.
Coupler, ssocket
527810
Pump aassly
TT9071GAFUIL
Wheel
524568
Cap, WWheel
509570
Coupler ddischarge
(527715)
Pressure aadjustment kknob
(Refer to pump breakdown)
Burner aassly
(CAM302)
Engine
11 hp Honda(2000) (510752)
13 hp Honda(3000) (510755)
13 hp B & S(3000) (509878)
16 hp B & S(4000) (509888)
Pop ooff vvalve
515500
Coupler ffitting
527715 M x F
Injector, cchemical
509555
9
Thermostat, aadjustable
540116.1
Burner aassly
CAM 301 (All Models)
Tank, ffuel
540091
Pressure ggauge
520902
Thermal vvalve
509306
Flow sswitch
540110 (not shown)
Unloader aassly
515810 (2000-3000)
GEN YU2140 (4000)
Pump aassly
XRCV4G30AD (2000)
RKV4G35HD-F24 (3000)
CAT 60G1 (4000)
Injector, cchemical
(509555)
Inlet ffitting
GEN 680006
Jumper hhose, 330”
509094
Engine,6hp RRobin
551100
Filter, ffuel
509117
Seperator, ffuel
510562
Flow sswitch
540110
Burner sswitch
526300
Thermostat, aadjustable
540116.1
Switch, bburner
526300
Inlet ffitting
GEN 100649
Pop ooff vvalve
515500
Page 10
Pop ooff vvalve
515500 (2500-3000)
CAT 33961 (4000)
Injector, cchemical
509555
Coupler ffitting
527715 M x F
Switch, BBurner
526300 (25006)
526295 (3000-4000)
Thermostat, aadjustable
540116.1
Burner aassly
12V DC Burner
Tank, ffuel
540178
Flow ssitch
GEN 100809
Relay 112V DDC
525105
Wheel
524518
Cap, wwheel
509570
10
Engine ccontrols
Throttle / Choke /
Fuel shut-off
Hour mmeter
509895
Switch, vvacuum
1010899
(gas engines only)
Engine
1B30E Hatz(25006QD) (
1B40E Hatz(3000QD) (IP1B40E)
13 HP Vangaurd(3000QB) (509878)
13 HP Honda(3000QH) (510755)
16 HP Vangaurd(4000QB) (509888)
Hose, jjumper
509094 (30”pump/coil)
Inlet ffitting
GEN 100649 (4000)
Filter, ffuel
509117
Pump aassly
TP2530J34UIL (25006)
GKC21/28-GR (2555)
EZ3040GUIL (3000)
MKL4.0/40-W (4000)
Thermal vvalve
509306
Pressure ggauge
520902
Page 11
DC burner breakdown
1 2
6
9
8
11
3
4
7
5
Description
Fuel pump w/ valve
Valve coil
Valve stem
Electrode set
Transformer (w/control
board & cad cell)
Motor
Coupler
Blower wheel
Gasket
Strainer kit
Vacuum switch
Relay
Part No.
B2184402U
B21754U
B21877U
B5780
B517760
B21699UF
B21405U
B21404U
B3616
B51843U
1010899
525105
No.
1
2
3
4
5
6
7
8
9
N/S
N/S
N/S
Electrode adjustments
5/32
1/4
5/32
Electrode
Nozzle
Page 12
Burner motor
Specifications
Lubrication
Brushes
1/4”
14 VDC, 1/6 horsepower, 13.5 Amps (max), 3450 RPM, CCW from shaft end, N.E.M.A. “M”
flange
Replaceable brushes
Note: If polarity is reversed, motor will run backwards.
The motor is permanently lubricated and has no need for oiling.
Check every 300 hundred hours of operation. If either of the brushes is shorter than 1/4”
replace them.
At no time allow the brushes to become shorter than 3/16”
12
Page 13
Gun/Wand breakdown
Replacement tips for all units
Replacement Hoses
Hose Extensions (with coupler ends)
Part no.
AR AL200
542002
510100
510065
527800
Flow
Tip description
Red
Yellow
Green
White
Soap
P
art no.
509073
509074
509080
509085
509081
Description
20’ x 3/8”
30’ x3/8”
40’ x 3/8”
50’ x 3/8”
100” x 3/8”
3 GPM
1700SHDR
00045 Q meg
15045 Q meg
25045 Q meg
40045 Q meg
4030
1/4 meg
4 GPM
3000 / 4000 Q and TR-style
0004 Q meg
1504 Q meg
2504 Q meg
4004 Q meg
4030
1/4 meg
Description
Gun section of wand
Dual wand 1/2
O-ring for Quick coupler and Twist-fast sockets
Quick coupler socket 1/4”
Twist fast socket 1/4” x 22mm
Forward ggrip/soap ccontrol vvalve.
Activates chemical injector by lowering pressure
and allowing water to go through soap tip. (Turn
handle counter clockwise to activate injector)
13
Twist-fast socket
(527800)
Quick coupler socket
(510065)
Soap tip
(4030 1/4
meg)
Part no.
527650
527651
527653
527660
Description
20’ x 3/8”
40’ x 3/8”
50’ x 3/8”
100’ x 3/8”
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