Pressure Test - Stihl MS 460 Service Manual

: Fit sealing plate (1)
0000 855 8106 between the heat
shield and cylinder exhaust port
and retighten the screws
moderately.
The sealing plate must completely
fill the space between the two
screws.
– Remove the carburetor, b
12.2.1
– Set the piston to top dead center
(T.D.C.). This can be checked
through the intake port.
: Check that the sleeve (1) and
washer (2) are in place.
MS 460, MS 460 C
1
1
Check that the pin (1) in test flange
1128 850 4200 is in hole No. 1
(arrow), fit if necessary.
3
4
: Push the test flange (1) into
position.
When fitting the test flange, make
sure the pin locates properly in the
impulse hose (2).
: Fit the sleeves (3)
0000 963 1008.
2
: Fit the nuts (4) and tighten them
1
down firmly.
6.2.2

Pressure Test

– Preparations, b 6.2.1
: Connect pressure hose (1) of
tester 1106 850 2905 to nipple
(arrow) on test flange.
1
2
: Close vent screw (1) on the
rubber bulb.
: Pump air into the crankcase with
rubber bulb until the gauge
(arrow) indicates a pressure of
0.5 bar. If this pressure remains
constant for at least 20 seconds,
the crankcase is airtight.
1
27