Wilks USA TX750 Manual Download Page 20

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TX750 / TX750i

Fault

Probable

Cause

Repair

Engine

won’t start

Low

engine

output

Engine

runs

erratically

Insufficient

compression

Loose spark plug

Tighten plug

Loose cylinder head bolt

Tighten bolt

Damaged gasket

Replace gasket

Sufficient

compression

Fuel System Problems

No fuel supplied to

combustion chamber

Insufficient pulling speed for recoil starter

Pull rope sharply

Foreign matter in fuel tank

Clean tank

Clogged fuel line

Clean fuel line with suppliers

advice

No fuel in tank

Add fuel

Fuel tap not open

Open fuel tap

Fuel System Problems

Combustion chamber

(Poor spark)

Spark plug dirty with carbon or wet with

fuel

Remove carbon or dry spark plug

Damaged spark plug

Replace spark plug

Faulty magneto

Consult dealer

Combustion chamber

(Good spark)

Improper adjustment of carburettor

Insufficient pulling speed for recoil starter

Pull rope sharply

Wrong grade of fuel

used

Check grade of fuel

Overloading

Check working conditions

Overheating

Troubleshooting

Summary of Contents for TX750

Page 1: ...LURE TO DO SO MAY RESULT IN INJURY PROPERTY DAMAGE AND MAY VOID WARRANTY KEEP THIS MANUAL FOR FUTURE REFERENCE Products covered by this manual may vary in appearance assembly inclusions specifications description and packaging V 1 0 Gasoline Pressure Washer TX750 TX750i ...

Page 2: ...e Engine 11 Pre Operation Inspection 12 Fuel and Fuel Tank Fuel Tank Filter Oil Level Switch Air Filter 13 Storage Winter and Long Term Storage 14 Maintenance Exhaust Control System Maintenance Replacement of Parts Modifying Problems Affecting Exhaust Emissions Water Suction Filter Checking 15 Spark Plug Maintenance Carburettor Idling Adjustment 16 Transport Storage Prepare for Storage 17 Removal ...

Page 3: ...ssure safety catch located on the gun when not in use Do not step stand on the high pressure hose Ensure the nozzle is securely attached before using the Product High pressure can cause it to be fired from the lance with considerable force and could cause injury damage Be ready for the kick back force and the sudden torque on the spray assembly when operating the trigger A high pressure jet can re...

Page 4: ...cal appliances or the machine itself Wear protective gloves Warning Risk of injury Pay special attention Wear safety shoes Caution Be aware of potential risks hazards Model TX675 TX700 TX725 TX750 Max Pressure 13Mpa 1885 PSI 17Mpa 2465 PSI 18Mpa 2610 PSI 27Mpa 3950 PSI Continuous Pressure 10Mpa 1450 PSI 15Mpa 2175 PSI 16Mpa 2320 PSI 22Mpa 3200PSI Max Flow Rate 9 2L min 9 2L min 9 2L min 10L min En...

Page 5: ...rom the refuelling areas before restarting the engine Store fuel for short periods only in a suitable container away from heat and direct sunlight Clean the pressure washer thoroughly after each use Regularly check external nuts and fixings to ensure vibration caused by normal caused y normal use has not loosened them Remove the spark plug ignition lead HT Lead from the back of the spark plug and ...

Page 6: ...ews Fig 01 Fig 02 Assemble the wheel on the axle and fix it with a nut In the direction of the arrow fix the hose reel on the frame TX750i only Fig 03 Fig 04 Fig 05 Fig 06 Fig 07 In the direction of the arrow insert the handle of the frame into the frame lock it by lock catch A In order to avoid the hose reel moving fix it with screw and nut In the direction of the arrow insert the handle into the...

Page 7: ...ng the engine Fig 08 Engine Oil fig 08 09 Warning The engine is not provided with oil It is necessary to fill the unit before starting the engine The engine has two oil fill points at the front and back of the engine Remove the desired cap and fill with the engine oil specified to the upper level mark or base of threads Fig 09 Pump Oil fig 10 Warning The YELLOW pin must be removed from the RED bre...

Page 8: ... air temperature is warm Turn the engine switch clockwise to the ON Position Connect a water supply hose not supplied to the water inlet connection of the pressure washer Turn on the water supply and pull the trigger until water is continually flowing out of the nozzle WATER SUPPLY FROM A CONTAINER STANDING WATER Unscrew the coupling part for the water inlet Screw the suction hose with filter not ...

Page 9: ...or most cleaning applications Low Pressure Nozzle Black This is used for chemical application only The nozzle created the required back pressure to draw detergent from the tank Adjusting the Spray Pattern Pull the black handle on the Recoil Starter gradually until you feel resistance then make a rapid pull Fig 20 Fig 21 Fig 22 Push the Choke lever B to the left closing the Choke for initial start ...

Page 10: ...the required pressure to draw detergent Using the Detergent Facility Before using the pressure washer to clean patio paving slabs it is advisable to test a small area first as some paving slabs are manufactured from inferior materials and the use of a pressure washer could damage the surface If at any time the flow rate stutters or is inconsistent release the trigger and switch OFF the machine Squ...

Page 11: ...commended for general all temperature use 3 Remove Dipstick and clean it fig 28 4 Re insert the Dipstick into the oil filler port without screwing it in lift out to check oil level 5 If the oil level is too low add the required amount of engine oil to the oil filler mark or to the lowest thread 6 Replace the Dipstick securely Pre Operation Inspection Running with insufficient engine oil may damage...

Page 12: ...ll the fuel when refuelling Spilled fuel or vapour may ignite If any fuel is spilled make sure the area is dry before starting the engine Warning After every 150 hours of running or every three months the fuel tank filter should be removed and cleaned Remove the fuel tank filler cap and filter clean thoroughly using environmentally friendly water based de greasing agent and re fit Fuel Tank Filter...

Page 13: ...il starter handle until the piston is on the compression stroke when resistance is felt then stop pulling 5 Store the pressure washer in a dry well ventilated place under a cover to prevent any dust or debris from accumulating on the pressure washer If the pressure washer is not being used for more than three months or if there is any danger of ice or frost where the unit is stored especially duri...

Page 14: ...ll be necessary Replacement of Parts We recommend that you use parts that are supplied by the manufacturer or equivalent quality parts Replacement parts of an inferior quality may impair the effectiveness of the exhaust control system Modifying Modifying the exhaust control system may make the exhaust emissions exceed statutory limits Illegal modifications are 1 Dismantling or modifying any part o...

Page 15: ... least once every 100 hours of operation so as to keep it in good condition Warning The muffler is very hot hen the engine is running and remains hot for a prolonged period after the engine has stopped Only service after the engine cools down completely Unscrew two nuts and remove the exhaust elbow from the engine body Unscrew five screws from the muffler guard and take it out Unscrew from the spa...

Page 16: ... is stored correctly Make sure the storage area is dry and free of dust Prepare For Storage Disconnect the spark plug Put a spoonful of fresh engine oil into the cylinder and rotate the engine to distribute the oil evenly Replace the spark plug Pull the recoil starter handle until you feel resistance and then keep pulling so as to align the arrow of the starting sleeve with the hole of the starter...

Page 17: ...extremely flammable and explosive under certain conditions Keep cigarettes naked flames and sparks away from the operating site Service Schedule To keep the engine in sound condition the user should maintain it according to the table below Caution Use parts that are supplied by the manufacturer otherwise damage to the engine may occur Warning Stop the engine before servicing If servicing is requir...

Page 18: ...lace as necessary Clean and replace as necessary Clean and replace as necessary Spark Plugs Check Clean Clean and replace as necessary Clean and replace as necessary Clean and replace as necessary Clean and replace as necessary Service and maintenance tasks to be conducted by qualified technicians authorized repair centres only Service Schedule Table 1 For the convenience of transport the Pump is ...

Page 19: ...ot reach the required pressure Pump sucking in air from connections or hose Check tightness of all connections Suction delivery valves are clogged Clear or replace valves Have machine checked by Service Centre Unload valves are stuck Loosen and re tighten regulating screw Lance or nozzle worn out Check and or replace Pump is running but no water delivery Kinked inlet and or pressure hose Check str...

Page 20: ...Foreign matter in fuel tank Clean tank Clogged fuel line Clean fuel line with suppliers advice No fuel in tank Add fuel Fuel tap not open Open fuel tap Fuel System Problems Combustion chamber Poor spark Spark plug dirty with carbon or wet with fuel Remove carbon or dry spark plug Damaged spark plug Replace spark plug Faulty magneto Consult dealer Combustion chamber Good spark Improper adjustment o...

Page 21: ...ring 73 2 65 34 nut M6 58 o ring 3 68 1 78 11 piston seat 35 regulating nut 59 fixed injector 12 screw 8 25 36 regulating pressure spring 60 o ring 4 2 65 13 oil seal12 20 6 37 washer 61 unilateral valve core 14 washer 38 valve cover 62 unilateral valve spring 15 o ring 22 4 1 8 39 o ring 12 42 1 78 63 o ring 9 1 8 16 seal washer 12 20 4 40 backup ring6 2 64 nozzle 17 packing supt 41 o ring 6 07 1...

Page 22: ...X750i Union Mart Ltd Unit 4 Mauretania Rd Nursling Industrial Estate Nursling Southampton SO16 0YS UK Union Mart Ltd Unit 4 Mauretania Rd Nursling Industrial Estate Nursling Southampton SO16 0YS UK Michael S McQuaide Unit 4 Mauretania Rd Nursling Industrial Estate Nursling Southampton SO16 0YS UK Petrol Pressure Washer Wilks USA TX750 TX750i Petrol High Pressure Washer Wilks USA TX750 TX750i ISET ...

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