Husqvarna 326 E Workshop Manual page 64

Crankshaft and crankcase
Fit the pressure test nipple (B) 503 84 40-01 in
the spark plug hole.
Connect meter 531 03 06-23 and check
for leakage.
531 03 06-23
503 84 40-01
Fit the pressure test nipple (B) 503 84 40-01 in
the spark plug hole.
Connect meter 531 03 06-23 to the nipple
and pump up a pressure of
50 kPa (0.5 kp/cm 2 ) in the crankcase.
Max. permitted leakage: 20 kPa
2
(0.2 kp/cm ) per 30 seconds.
Connect meter 531 03 06-23 to the nipple
and lower the pressure in the crankcase to
2
50 kPa (0.5 kp/cm ).
Max. permitted leakage: 20 kPa
(0.2 kp/cm 2 ) per 30 seconds.
Any leakage can be diffi cult to localise if
the crankcase is depressurised.
When leakage has been established with
a vacuum, you can apply a slight overpres-
2
sure (0.1–0.3 kp/cm ) and at the same
time apply a layer of thin oil to the joints
and the sealing ring contact surfaces on
the crankcase to make leak detection
easier. Bubbles clearly mark the position
of the leakage.
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