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Pressure equalizing screw

The scored screw knob in the lower part of the

pump is used to equalize both pressures. 

Checking the value of the created vacuum

To check the value of the negative 

pressure (vacuum) created, use the supplied 

pressure gauge. 

Both scales are calibrated in mercury (Hg) column

height. The inner scale is in (mm) and the outer scale

in inches.

Bleeding the break system

To bleed the system follow the sequence below: 

Main brake cylinder - if it is equipped with a socket for hose connection. 

Break callipers in the following order; start with the wheel closest to the main brake cylinder and move on

gradually towards the most distant wheel. 

Bleed the main brake cylinder if it is equipped with a socket for hose connection. 

If you installed a new brake cylinder you must always bleed the cylinder. 

Choose the suitable hose coupling adapter and slide it into the hose. 

Place the adapter on the bleeding screw. 

Press the pump 10 - 15 times to create the necessary vacuum. 

Check the value of the vacuum on the pressure gauge. 

Turn the bleeding screw 1/4 up to 1/2 of a turn and fill about half of the container with the break fluid. 

Close the bleeding screw to close it. 

Turn the pressure equalizing screw to equalize the pressure in the system with the atmospheric pressure

outside. 

Empty the drained fluid from the container. 

Refill the engine break fluid reservoir with new break fluid, all the way to the line marked "max." 

Move on to bleed the next wheel. 

Repeat the above steps until you bleed all wheels.

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After you finish your work

Clean and flush the entire set with water, disassemble all parts and let it dry. 

Remove (unscrew) the scored screw knob for pressure equalizing and apply few drops of oil inside the hole.

Screw the knob back in and press the pump handle several times to evenly distribute the oil inside.

Other possibilities where you may use your set:

There are many other possibilities where you may use your set. It all depends on the technical parameters of

the equipment and on the objective that you want to achieve.

Inspection of electronically controlled engine

You may check the atmospheric pressure sensor (BARO) 

Crankcase ventilation system (PCV) 

Exhaust gases recalculation system (EGR) 

Vacuum sensor (MAP) 

Ignition accessories 

Vacuum regulated advanced spark 

RCV valve 

SDV valve 

System testing 

Air-condition and heating vehicle systems 

Speed control system 

Headlights positioning system 

Fuel system and fuel tank leakage inspection 

Door control system 

Brake system 

ABS bleeding 

Break system bleeding 

Brake fluid draining operations 

Inspection of vacuum operated break booster

Summary of Contents for HS998

Page 1: ...ng a claim you must present the warranty card showing the date of the purchase the serial number of the machine vendor stamp and signature of sales clerk as well as the proof of purchase receipt 5 Warranty claim shall be made at the vendor shop where you bought your machine or you may mail it to a service centre The vendor is obligated to fill out the warranty card date of sale serial number vendo...

Page 2: ...els on the machine Never remove or damage them Please write information such as the invoice number and the number of the sale receipt here in this box Hand operated pump is needed during the break fluid changing procedure and during bleeding operation Your set includes extension pieces for bleeding operation of break systems of common type of vehicles hoses and break fluid collection container Neg...

Page 3: ...liar with hazards and risk that may occur if not used correctly Pay special attention to safety notes and safety labels on the machine Do not remove or damage them If the warning label becomes unreadable please contact your vendor Keep your working place clean Dirty and disorganized workplace may cause accidents Never work in poorly lit narrow or too crowded rooms Make sure the floor is solid and ...

Page 4: ...other conditions that may have a negative effect on the proper function of your machine If not stated otherwise in this manual all damaged parts and safety elements must be repaired or changed Fine mechanics Never use a vise to hold your machine Protect your machine from fall and impact After work store all tools and equipment back to the briefcase Assembly Do not use the machine unless completely...

Page 5: ...les and regulations Your product is made of metal and plastic parts that may be recycled when separated 1 Disassemble all parts 2 Separate all parts according to the material they are made of e g metals rubber plastics etc Take the separated parts to the recycling facility near you for further processing More information about dangerous waste disposal may be obtained from your local authority or f...

Page 6: ...zing screw to equalize the pressure in the system with the atmospheric pressure outside Empty the drained fluid from the container Refill the engine break fluid reservoir with new break fluid all the way to the line marked max Move on to bleed the next wheel Repeat the above steps until you bleed all wheels 7 After you finish your work Clean and flush the entire set with water disassemble all part...

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