Shark SGP-302517, SGP-303037, SGP-353037, SGP-353037E, SGP-403537E Operator's Manual

OPERATOR’S MAN U AL
MODEL # ORDER #
SGP-302517 SGP-303037
SGP-353037 SGP-353037E SGP-403537E
To locate your local Shark Commercial Pressure Washer Dealer nearest you,
1.110-059.0
1.110-054.0
1.110-055.0
1.110-056.0
1.110-057.0
visit www.shark-pw.com
9.801-192.0
CONTENTS
Introduction & Important Safety Instructions 3-5
Component Identifi cation 6
Assembly Instructions 7
Operating Instructions 8-9
Detergents and Cleaning Tips 10
Shut-Down and Clean Up 11
Storage 11
Maintenance 12-14
Troubleshooting 15-17
Maintenance & Oil Change Charts 18
Exploded View - 059.0 19
Exploded View - 054.0, 055.0, 056.0, 057.0 20-21
Exploded View Parts Lists 22-25
Control Panel -059.0 & Parts List 26-27
Control Panel - 054.0, 055.0, 056.0, 057.0 & Parts List 28-29
Hose & Spray Gun Assembly & Parts List 30
Downstream Injector Assembly 31
Hose Reel Option 32
UU1 Unloader Exploded View and Parts List 33
KS.2 Pump Exploded View and Parts List 34-35
KG.2 Pump Exploded View and Parts List 36-37
Burner Specifi cations 38
Warranty 39
Model Number ______________________________
Serial Number ______________________________
Date of Purchase ____________________________
The model and serial numbers will be found on a decal at tached
to the pressure washer. You should record both serial number and
date of purchase and keep in a safe place for future ref er ence.
2
9.801-192.0 • Rev. 02/11
INTRODUCTION & IMPORTANT SAFETY INFORMATION
PRESSURE WASHER
Thank you for purchasing this Pressure Washer.
We reserve the right to make changes at any time without incurring any obligation.
Owner/User Responsibility:
The owner and/or user must have an understanding of the manufacturer’s operating instructions and warnings before using this pressure washer. Warning information should be emphasized and understood. If the operator is not fluent in English, the manufacturer’s instructions and warnings shall be read to and discussed with the operator in the operator’s native language by the purchaser/owner, making sure that the operator com­prehends its contents.
Owner and/or user must study and maintain for future reference the manufacturers’ instructions.
The operator must know how to stop the machine quickly and understand the operation of all controls. Never permit anyone to operate the engine without proper instructions.
This manual should be considered a permanent
part of the machine and should remain with it if machine is resold.
When ordering parts, please specify model and serial number. Use only identical replacement parts.
This machine is to be used only by trained op­erators.
IMPORTANT SAFETY
INFORMATION
WARNING: To reduce the risk of injury, read operating instruc­tions carefully before using.
1. Read the owner's manual thoroughly. Failure to follow instructions could cause mal-
READ OPERATOR’S
MANUAL THOROUGHLY
PRIOR TO USE.
2. Know how to stop the machine and bleed pressure quickly. Be thoroughly familiar with the controls.
3. Stay alert — watch what you are doing.
WARNING
KEEP WATER
SPRAY AWAY FROM
ELECTRICAL WIRING.
function of the machine and result in death, serious bodily injury and/or property dam­age.
WARNING: Keep wand, hose, and water spray away from electric wiring or fatal electric shock may result.
4. All installations must comply with local codes. Contact your electrician, plumber, utility company or the selling distributor for specifi c details.
9.801-192.0 • Rev. 02/11
WARNING
WARNING: This machine exceeds 85 db appropriate ear protection must be worn.
EAR PROTECTION
MUST BE WORN
WARNING
WARNING: High pressure spray can cause paint chips or other particles to become airborne and fl y at high speeds. To avoid personal injury, eye, hand and foot safety devices must be
USE PROTECTIVE
EYE WEAR
AND CLOTHING
WHEN OPERATING
THIS EQUIPMENT.
worn.
5. Eye, hand, and foot protection must be worn when using this equipment.
6. Keep operating area clear of all persons.
WARNING
WARNING: Flammable liquids can create fumes which can ig­nite, causing property damage or severe injury.
WARNING: Risk of explosion —
RISK OF EXPLOSION:
OPERATE ONLY WHERE
OPEN FLAME OR TORCH
IS PERMITTED
WARNING
Operate only where open fl ame or torch is permitted.
WARNING: Risk of fi re — Do not add fuel when the product is operating or still hot.
WARNING: Do not use gasoline crankcase draining or oil con-
RISK OF FIRE. DO NOT ADD FUEL WHEN OPERATING
MACHINE.
taining gasoline, solvents or alcohol. Doing so will result in fi re and/or explosion.
WARNING: Risk of fi re — Do not
Spray fl ammable liquids.
WARNING: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. Operation of this equipment may create sparks that can start fi res around dry vegetation. A spark arrestor may be required. The operator should contact: Local fi re agencies for laws or regulations relating to fi re prevention requirements.
7. Allow engine to cool for 1-2 minutes before refu­eling. If any fuel is spilled, make sure the area is dry before testing the spark plug or starting the engine. (Fire and/or explosion may occur if this is not done.)
OPERATOR’S MAN U AL
3
IMPORTANT SAFETY INFORMATION
Gasoline engines on mobile or portable equipment
shall be refueled:
a. outdoors;
b. with the engine on the equipment stopped;
c. with no source of ignition within 10 feet of
the dispensing point; and
d. with an allowance made for expansion of the
PRESSURE WASHER
fuel should the equipment be exposed to a higher ambient temperature.
In an overfi lling situation, additional precautions are
necessary to ensure that the situation is handled in a safe manner.
WARNING: Risk of injury. Disconnect battery ground terminal before servicing.
8. When in use , do not place machine near fl ammable
OPERATOR’S MANUAL
objects as the engine is hot.
9. Oil burning appliances shall be installed only in locations where combustible dusts and fl ammable gases or vapors are not present. Do not store or use gasoline near this machine.
10. Use No. 1 or No. 2 heating oil (ASTM D306) only. NEVER use gasoline in your fuel oil tank. Gasoline is more combustible than fuel oil and could result in a serious explosion. NEVER use crankcase or waste oil in your burner. Fuel unit malfunction could result from contamination.
11. Do not confuse gasoline and fuel oil tanks. Keep proper fuel in proper tank.
WARNING
WARNING: Risk of injury. Hot surfaces can cause burns. Use only designated gripping areas of spray gun and wand. Do not place hands or feet on non-insu­lated areas of the pressure
RISK OF INJURY.
HOT SURFACES
CAN CAUSE BURNS
washer.
12. Transport/Repair with fuel tank EMPTY or with fuel shut-off valve OFF.
CAUTION: Hot discharge fluid. Do not touch or direct discharge stream at persons.
WARNING: This machine pro­duces hot water and must have
HOT DISCHARGE FLUID:
DO NOT TOUCH OR
DIRECT DISCHARGE
STREAM AT PERSONS.
insulated components attached to protect the operator.
WARNING
WARNING: Grip cleaning wand securely with both hands before starting. Failure to do this could result in injury from a whipping wand.
14. Never make adjustments on machine while in operation.
TRIGGER GUN KICKS
BACK - HOLD WITH
BOTH HANDS
15. Be certain all quick coupler fi ttings are secured before using pressure washer.
WARNING
WARNING: High pressure devel­oped by these machines will cause personal injury or equip­ment damage. Keep clear of nozzle. Use caution when oper­ating. Do not direct discharge
RISK OF INJECTION OR SEVERE INJURY TO PERSONS. KEEP CLEAR OF NOZZLE.
WARNING
stream at people, or severe in­jury or death will result.
WARNING: Protect machine from freezing.
16. To keep machine in best operating conditions, it is important you protect machine from freezing. Failure to protect
PROTECT FROM
FREEZING
machine from freezing could cause malfunction of the
machine and result in death, serious bodily injury, and/or property damage. Fol­low storage instructions specifi ed in this manual.
17. Inlet water must be clean fresh water and no hotter then 90°F.
WARNING
WARNING: Risk of asphyxiation. Use this product only in a well ventilated area.
18. Avoid installing machines in small areas or near exhaust
RISK OF ASPHYXIATION: USE THIS PRODUCT ONLY
IN A WELL
VENTILATED AREA.
fans. Adequate oxygen is needed for combustion or dangerous carbon monoxide will result.
19. Manufacturer will not be liable for any changes made to our standard machines or any components not purchased from us.
20. The best insurance against an accident is precau­tion and knowledge of the machine.
13. To reduce the risk of injury, close supervision is necessary when a machine is used near children. Do not allow children to operate the pressure
4
washer. This machine must be attended during operation.
9.801-192.0 • Rev. 02/11
IMPORTANT SAFETY INFORMATION
PRESSURE WASHER
WARNING
WARNING: Be extremely careful when using a ladder, scaffolding or any other relatively unstable location. The cleaning area should have adequate slopes and drainage to reduce the pos-
RISK OF INJURY
FROM FALLS WHEN
USING LADDER.
21. Do not allow acids, caustic or abrasive fl uids to pass
through the pump.
22. Never run pump dry or leave spray gun closed
longer than 1-2 minutes.
23. Machines with shut-off spray gun should not be
operated with the spray gun in the off position for extensive periods of time as this may cause dam­age to the pump.
24. Protect discharge hose from vehicle traffi c and
sharp objects. Inspect condition of high pressure hose before using or bodily injury may result.
25. Before disconnecting discharge hose from water
outlet, turn burner off and open spray gun to al­low water to cool below 100° before stopping the machine. Then open the spray gun to relieve pres­sure. Failure to properly cool down or maintain the heating coil may result in a steam explosion.
26. Do not overreach or stand on unstable support.
Keep good footing and balance at all times.
27. Do not operate this machine when fatigued or under
the infl uence of alcohol, prescription medications, or drugs.
28. In oil burning models, use only kerosene, No. 1
home heating fuel, or diesel. If diesel is used, add a soot remover to every tankful.
sibility of a fall due to slippery surfaces.
Follow the maintenance instructions specifi ed in the manual.
OPERATOR’S MAN U AL
5
9.801-192.0 • Rev. 02/11
COMPONENT IDENTIFICATION
Gasoline
Tank
Discharge
PRESSURE WASHER
OPERATOR’S MANUAL
Nipple
Collar
Detergent
Injector
Quick
Coupler
Spray
Gun
Pressure
Switch
Unloader
Water Supply
Hose
(not included)
Pump
Battery Box
Swivel
Connector
High Pressure
Hose
Trigger
Pump — Develops high pressure.
Starter Grip — (Not Shown) Used for starting the
en gine man u al ly.
Spray Gun — Controls the application of water and de ter gent onto cleaning surface with trigger device. In cludes safe ty latch.
Detergent Injector — Allows you to siphon and mix de ter gents.
6
9.801-192.0 • Rev. 02/11
Wand Coupler
Nozzle
Quick
Coupler
Variable Pressure
Control wand
Control Wand
Handle
Brass
Soap
Nozzle
Variable Pressure Control Wand — Must be con-
nect ed to the spray gun. This wand handle controls dishcharge flow from one tube to both wand tubes. When water is discharged from both tubes you will have a pres sure loss and allows chemical siphoning when used in combination with a detergent injector.
High Pressure Hose — Connect one end to water pump dis charge nipple and the other end to spray gun.
Note: If trigger on spray gun is released for more than 2 minutes, water will leak from valve. Warm water will dis charge from pump protector onto floor. This sys tem pre vents internal pump dam age.
ASSEMBLY INSTRUCTIONS
PRESSURE WASHER
Spray
Gun
Safety
Latch
High Pressure
Hose
STEP 1: Attach the high
pres sure hose to the spray gun using teflon tape on hose threads.
DipStick
Oil Window
Soap
Nozzle
Wand
Coupler
STEP 2: Pull the spring-load ed col lar
of the wand coupler back to in sert your choice of pres sure noz zle.
Discharge Fitting
Coupler Collar
High Pressure Hose
Pressure
Nozzle
Wand
Coupler
Wand Collar
STEP 3: Release the coupler col lar
and push the nozzle until the collar clicks. Pull the nozzle to make sure it is seated properly.
Cold
Water
Source
Garden
Hose
OPERATOR’S MAN U AL
STEP 4: Remove shipping cap
and install oil dipstick. Check pump oil level by using dip stick
STEP 5: Connect the high pres sure hose to the pump discharge fitting. Push
cou pler collar forward until secure. or observe oil level in oil win­ dow (if equipped). Use 30 wt. non detergent oil.
Garden
Hose
Pump
Water Inlet
STEP 7: Connect the garden hose to pump wa ter inlet. In spect inlets.
CAUTION: Do not run the pump without wa ter or pump damage will result.
STEP 6: Connect garden hose to the cold water source.
7
9.801-192.0 • Rev. 02/11
OPERATING INSTRUCTIONS
Oil Dipstick
PRESSURE WASHER
STEP 1: Check engine oil level. Oil level should be level with the bottom
of the oil filler neck. Be sure the ma chine is level when checking the oil level. (Refer to the en gine's op er at ing manual included with machine.) We rec om mend that the oil be changed after the first 5 hours of use, then once every 50 hours. Note: Im prop er oil levels will cause low oil sensor to shut
OPERATOR’S MANUAL
off engine. IMPORTANT! Do not run engine with high or low oil levels as this will cause engine damage.
Cold
Water
Source
Gas
Tank
STEP 2: Fill gas tank with un lead ed
gasoline. Do not use leaded gas o ­line. Caution: Read warnings on
pg. 4 and engine manual.
Garden
Hose
STEP 3: Connect garden hose
to the cold water source and turn wa ter on completely. Never use hot wa ter.
Fuel
Valve
STEP 4: Trigger the spray gun to
elim i nate trapped air then wait for a steady flow of water to emerge from the spray noz zle.
STEP 5: Rotate the fuel shut-off valve to the "On" po­ si tion. Slide the fuel valve lever to the "ON" position. When the engine is not in use, leave the fuel valve in the "OFF" position.
Choke
Lever
STEP 6: Pull the choke lever out to the "Choke" po si tion
(on a warm engine, leave the choke lever in, in the run po si tion). Push the choke lever to the "Closed" po si tion. To restart a warm engine, leave the choke lever in the "Open" position.
8
9.801-192.0 • Rev. 02/11
OPERATING INSTRUCTIONS
Throttle
STEP 7: Turn the engine to "Run" position. STEP 8: Pull the starter grip. If the engine fails to start
after 2 pulls, squeeze the trigger gun to release pres sure and repeat step. Return start er gently. After the en gine warms up enough to run smoothly, move choke to run position and throt tle to fast position.
CAUTION: Small engines may kick back. Do not hold pull starter grip tightly in hand.
PRESSURE WASHER
OPERATOR’S MAN U AL
Temperature
Gauge
Burner
Swutch
STEP 9: If hot water is required.
Adjust temperature gauge to prop er temperature (200°). Turn on Burn er switch to begin heat ing water.
Variable Pressure
Brass Soap
Nozzle
High
Pressure
Nozzle
Variable Pressure
Control Handle
Wand (VP)
Trigger
Safety
Latch
WARNING! Never replace noz­ zles without engaging the safe ty latch on the spray gun trig ger.
NOZZLES
The four color-coded quick con nect noz zles provide a wide array of spray widths from 0° to 40° and are easily accessible when placed in the con ve nient rubber nozzle holder, which is provided on the front of the ma chine.
NOTE: For a more gentle rinse, se lect the white 40° or green 25° noz zle. To scour the surface, select the yellow 15° or red 0° nozzle. To apply de ter gent select the black noz zle.
Selection of high or low pressure is accompanied by turn ing the han dle. NOTE: High pressure nozzle must be in sert ed at end of wand to obtain high pressure. To apply soap read operator's manual.
9
9.801-192.0 • Rev. 02/11
WARNING
DETERGENTS AND CLEANING TIPS
WARNING: Some de ter gents may be harm ful if in haled or in ­gest ed, caus ing severe nau sea, fainting or poi son ing. The harm ­ful el e ments may cause prop er ty dam age or severe injury.
STEP 1: Connect detergent in jec -
PRESSURE WASHER
Connect high pres sure hose to in jec tor with quick coupler(check to make sure locking coupler sleeves are in proper position be fore ap ply ing water pressure
Detergent
OPERATOR’S MANUAL
STEP 3: Apply safety latch to spray gun trig ger. Turn
variable pressure control handle until discharge wa ter exits both tubes. Secure black de ter gent noz zle into quick cou pler if you have a single wand. NOTE: De­ ter gent can not be ap plied us ing Red, Yel low, Green or White noz zles.
the detergent in jec tion sys tem after each use by plac ing the suction tube into a buck et of clean wa ­ter, then run the pres sure wash er in low pres sure for 1-2 min utes.
10
tor to discharge nip ple on ma chine,
Discharge
Nipple
Injector
Control
Handle
High Pressure
Hose
STEP 2: Use detergent de signed
spe cif i cal ly for pres sure washers. House hold de ter gents could dam ­age the pump. Pre pare de ter gent so lu tion as re quired by the man u ­fac tur er. Fill a con tain er with pres ­sure wash er de ter gent. Place the fil ter end of de ter gent suc tion tube into the de ter gent con tain er.
STEP 4: With the engine run ning, pull trig ger to op er ate ma chine. Liq uid detergent is drawn into the ma chine and mixed with water. Apply de ter gent to work area. Do not al low de ter gent to dry on sur face.
IMPORTANT: You must flush
Quick
Coupler
9.801-192.0 • Rev. 02/11
THERMAL PUMP PROTECTION
If you run the engine on your pres sure wash er for 3-5 min utes with out pressing the trig ger on the spray gun, cir cu lat ing water in the pump can reach high tem per a­ tures. When the water reaches this tem per a ture, the pump pro tec tor engages and cools the pump by dis­ charg ing the warm water onto the ground. This ther mal de vice pre vents internal dam age to the pump.
CLEANING TIPS
Pre-rinse clean ing surface with fresh water. Place de­ ter gent suc tion tube di rect ly into clean ing solution and ap ply to sur face at low pressure (for best re sults, limit your work area to sec tions approximately 6’ square and always ap ply de ter gent from bottom to top). Allow de ter gent to re main on sur face 1-3 min utes. Do not al­ low de ter gent to dry on sur face. If sur face appears to be drying, sim ply wet down sur face with fresh water. If need ed, use brush to re move stub born dirt. Rinse at high pres sure from top to bottom in an even sweep ing mo tion keep ing the spray nozzle ap prox i mate ly 1’ from cleaning sur face. Use over lap ping strokes as you clean and rinse any sur face. For best surface clean ing action spray at a slight an gle.
Recommendations:
• Before cleaning any surface, an inconspicuous area should be cleaned to test spray pattern and dis tance for maximum cleaning results.
• If painted surfaces are peeling or chipping, use ex treme caution as pressure washer may re move the loose paint from the surface.
• Keep the spray nozzle a safe distance from the sur face you plan to clean. High pressure wash a small area, then check the surface for damage. If no dam age is found, continue to pressure wash ing.
CAUTION - Never use:
• Bleach, chlorine and other corrosive chem i cals
• Liquids containing solvents (i.e., paint thinners, gas o line, oils)
• Tri-sodium phosphate products
• Ammonia products
• Acid-based products
These chemicals will harm the machine and will dam­ age the surface being cleaned.
RINSING
It will take a few sec onds for the de ter gent to clear. Apply safe ty latch to spray gun. Re move black soap noz zle from the quick cou pler. Select and in stall the de sired high pres sure noz zle. NOTE: You can also stop de ter gent from flow ing by sim ply re mov ing de ter gent si phon tube from bottle.
SHUTTING DOWN AND CLEAN-UP
STEP 1: Re move detergent suc tion
tube from container and insert into 1 gallon of fresh water. Turn vari able pressure wand handle for low pres­ sure or connect the black de ter gent noz zle. Pull trig ger on spray gun and si phon water for one minute.
On-Off Switch
STEP 2: Turn off the engine. STEP 3: Turn off water
supply.
PRESSURE WASHER
OPERATOR’S MAN U AL
Water
Inlet
STEP 4: Press
trig ger to re lease wa ter pres sure.
STEP 5: Disconnect the gar­ den hose from the water inlet on the machine.
STEP 6: Disconnect the high pres sure hose from high pres­ sure out let.
STORAGE
CAUTION: Al ways store your pressure washer in a lo ca tion where the temperature will not fall be low 32°F (0°C). The pump in this machine is sus cep ti ble to permanent dam age if fro zen. FREEZE DAM AGE IS NOT COV ERED BY WAR RAN TY.
1. Stop the pressure washer, squeeze spray gun trig­ ger to release pressure.
2. Detach water supply hose and high pressure hose.
3. Turn on the machine for a few seconds, until re­ main ing water exits. Turn engine off im me di ate ly.
4. Drain the gas and oil from the engine.
5. Do not allow high pressure hose to become kinked.
6. Store the machine and accessories in a room which does not reach freezing temperatures.
CAUTION: Fail ure to follow the above di rec tions will result in dam age to your pres sure washer.
When the pres sure washer is not being operated or is be ing stored for more than one month, follow these in struc tions:
1. Replenish engine oil to up per level.
2. Drain gas o line from fuel tank, fuel line, fuel valve and carburetor.
3. Pour about one teaspoon of engine oil through the spark plug hole, pull the starter grip several
9.801-192.0 • Rev. 02/11
High Pressure
Outlet
Safety
Latch
STEP 7: En gage the
spray gun safe ty lock.
times and re place the plug. Then pull the starter grip slow ly until you feel increased pres sure which indicates the pis ton is on its com pres sion stroke and leave it in that position. This closes both the intake and ex haust valves to prevent rusting of cylinder.
4. Cover the pressure washer and store in a clean, dry place that is well ventilated away from open fl ame or sparks. NOTE: The use of a fuel additive, such as STA-BIL
®
, or an equivalent, will minimize the for mu la tion of fuel deposits during shortage. Such ad di tives may be added to the gasoline in the fuel tank of the engine, or to the gasolinee in a storage con tain er.
After Extended Storage
CAUTION: Prior to restarting, thaw out any pos si ble ice from pressure washer hos es, spray gun or wand.
Engine Maintenance
During the winter months, rare atmosheric conditions may develop which will cause an icing con di tion in the car bu re tor. If this de vel ops, the engine may run rough, lose power and may stall. This temporary condition can be overcome by deflecting some of the hot air from the en gine over the carburetor area. NOTE: Refer to the en gine man u fac tur er's manual for service and main te ­nance of the engine.
11
MAINTENANCE
PREVENTATIVE MAINTENANCE
1. Check to see that the water pump is properly lu bri ­cat ed.
2. Follow Winterizing Procedures to prevent freeze dam age to the pump and coils.
3. Always neutralize and fl ush detergent from system af ter use.
PRESSURE WASHER
4. If water is known to be high in mineral content, use a water softener in your water system or de-scale as needed.
5. Do not allow acidic, caus tic or abrasive fl uids to be pumped through system.
6. Always use our high grade quality cleaning prod­ ucts.
OPERATOR’S MANUAL
7. Never run pump dry for extended periods of time.
8. Use clean fuel: kerosene, No. 1 fuel oil or diesel. Re place fuel fi lter every 100 hours of operation. Avoid water contaminated fuel as it will seize up the fuel pump.
9. If machine is operated with smoking or eye burning ex haust, coils will soot up, not letting water reach max i mum operating temperature. (See section on Air Adjustments.)
10. Never allow water to be sprayed on or near engine or burner assembly or any electrical com po nent.
11. Periodically delime coils as per instructions.
12. Check to see that engine is properly lubricated.
It is advisable, periodically, to visually inspect the burn er. Check air inlet to make sure it is not clogged or blocked. Wipe off any oil spills and keep this equipment clean and dry.
The areas around the pressure washer should be kept clean and free of combustible materials, gasoline and other flam ma ble vapors and liquids.
The flow of combustion and ventilating air to the burner must not be blocked or obstructed in any manner. Con­ sult factory if vent stacking is going to be used.
MAINTENANCE AND SERVICE
Unloader Valves:
Unloader valves are preset and tested at the fac to ry be fore shipping. Oc ca sion al adjustment of the unloader may be nec es sary to main tain correct pressure. Call your lo cal dealer for assistance.
Winterizing Procedure:
Damage due to freezing is not covered by warranty. Ad­ here to the following cold weather pro ce dures when ev er the wash er must be stored or operated out doors under freez ing conditions.
12
9.801-192.0 • Rev. 02/11
During winter months, when tem per a tures drop below 32°F, protecting your machine against freezing is nec­ es sary. Store the machine in a heated room. If this is not pos si ble then mix a 50/50 solution of anti-freeze/water into a 5 gal lon buck et. Place a short section of garden hose into the buck et and connect it to the ma chine. El e vate the buck et and turn the pump on to si phon the anti-freeze through the ma chine. If com pressed air is available, an air fitting can be screwed into the inlet con nec tor and, by injecting com pressed air, all water will be blown out of the system.
High Limit Hot Water Thermostat:
For safety, each machine is equipped with a high limit con trol switch. In the event that the temperature of the water should exceed its operating temperature, the high limit con trol will turn the burner off until the water cools.
Pumps:
Use only SAE 30W non-detergent oil. Change oil after the first 50 hours of use. Thereafter, change the oil ev ery three months or at 500 hour intervals. Oil level should be checked by using the dipstick found on top of the pump or the red dot visible through the oil gauge win dow. Oil should be maintained at that level.
Cleaning of Coils:
In alkaline water areas, lime deposits can accumulate rap id ly inside the coil pipes. This growth is increased by the extreme heat build up in the coil. The best pre ven tion for liming conditions is to use high quality cleaning de­ ter gents. In areas where alkaline water is an extreme prob lem, pe ri od ic use of our Deliming Powder (part #9-028008) will remove lime and other deposits before coil becomes plugged. (See Deliming Instructions for use of Deliming Powder.)
Deliming Coils:
Periodic flushing of coils is recommended.
1. Fill a container or optional fl oat tank with 4 gallons of wa ter, then add 1 lb. of deliming powder. Mix thor ough ly.
2. Remove wand assembly from spray gun and put spray gun into container. Secure the trigger on the spray gun into the open position.
3. Attach a short section (3-5 ft.) of garden hose to ma chine to siphon solution from an elevated con­ tain er. Turn pump switch on, allowing solution to be pumped through coils back into the container. So lu tion should be al lowed to circulate 2-4 hours.
4. After circulating solution fl ush entire system with fresh water. Reinstall wand assembly to spray gun.
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