Maddox MH5-1 Скачать руководство пользователя страница 5

Page 5

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Item 64918

3.  Before removing the spark plugs, 

clean the area around the spark 
plugs using compressed air.  
It is important to prevent foreign 
materials from falling into the cylinders 
once the spark plugs are removed.

4.  Disconnect the coil wire from the 

coil, and remove all spark plugs.  
Note the position of the wires so that the 
correct wire may be replaced on each 
plug at the end of the job.  On engines 
with two spark plugs per cylinder, 
remove only one plug per cylinder.

5.  Remove the oil dipstick, radiator 

cap, and disconnect one end of 
the PCV hose.  If the engine has a 
carburetor, remove the air cleaner and 
open the throttle all the way.  If the 
engine is fuel injected, remove the air 
cleaner or open the throttle body.

6.  Position the cylinder to be tested 

at TDC on the compression stroke 
so all valves are closed. 

7.  Install correct size Spark Plug 

Adapter onto end of Adapter Hose, 
then thread Adapter with attached 
Hose into spark plug hole of cylinder 
to be tested.  Connect the male 
end of the Adapter Hose to the 
female coupler on the Tester.

8.  Turn the Pressure Regulator Knob 

fully counterclockwise.  Connect 
a compressed air source (not 
included) to the air inlet plug on 
the Cylinder Leak-Down Tester.

9.  Turn the Regulator Knob clockwise 

until the regulated Pressure Gauge 
reaches desired input test pressure.  
Make sure the test pressure used 
is 10 PSI less than the maximum 
pressure produced by the air source, 
but not greater than 100 PSI.

NOTICE:

 DO NOT operate this Tester 

with the input air pressure set higher than 
100 PSI, which can damage the tool. 

10.  The pressure in the cylinder being 

tested is indicated on the Leakage 
Gauge.  The amount of leakage 
in the cylinder is determined by 
comparing the difference in pressure 
between the two gauge readings.

11.  Turn the Pressure Regulator Knob 

fully counterclockwise before 
disconnecting the Adapter Hose.  Test 
the remaining cylinders to determine 
which cylinders are bad, if any.  

12.  Use the diagnostic techniques 

in the next section to determine 
the cause of the problem.

SUPERIOR AUTOMOTIVE TOOLS

Содержание MH5-1

Страница 1: ...ference 19f When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2019 by Harbor Freight Tools A...

Страница 2: ...t intended 6 Dress properly Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically nonconductive clothes and nonskid footwear are recommended when working...

Страница 3: ...g engine Engine should be off during distributor adjustment 18 The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may...

Страница 4: ...6 The lower the sound pitch of escaping pressure indicates a larger leak Small leaks will typically make a higher pitched sound 7 If the engine has multiple problems the Cylinder Leak Down Tester may...

Страница 5: ...Adapter with attached Hose into spark plug hole of cylinder to be tested Connect the male end of the Adapter Hose to the female coupler on the Tester 8 Turn the Pressure Regulator Knob fully countercl...

Страница 6: ...hardware misalignment or binding of moving parts cracked or broken parts any other condition that may affect its safe operation If any abnormality is found have the problem corrected before further u...

Страница 7: ...ver Plate Part Description 5 10mm Spark Plug Adapter 6 12mm Spark Plug Adapter 7 18mm Spark Plug Adapter 8 Adapter Hose with 14mm threads 1 2 3 5 4 8 6 7 Record Serial Number Here Note If product has...

Страница 8: ...above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advant...

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