Stihl SR 430 User Manual

33SR 430, SR 450
Using the ZAT 3 ignition tester
5910 850 4520
– Before starting the test, install a
new spark plug in the cylinder
and tighten it down firmly.
– Connect spark plug boot to the
terminal (2).
: Attach the ground terminal (1) to
the spark plug.
: Use adjusting knob (3) to set the
spark gap to about 2 mm.
While using the ZAT 3, hold it only
by the handle (4) or position it in a
safe place. Keep fingers or other
parts of your body at least 1 cm
away from the spark window (3),
high voltage connection (2), ground
connection (5) and the ground
terminal (1).
High voltage – risk of electric shock.
296RA100 TG
1
2
3
165RA185 TG
1
2
3 4
5
– Crank the engine quickly with the
rewind starter and check spark in
the tester’s window (3).
The engine may start and
accelerate during the test.
If a spark is visible, the ignition
system is in order.
If no spark is visible in the
window (3), check the ignition
system with the aid of the
troubleshooting chart, b 5.7
5.4 Spark Plug Boot
The ignition module (1) and ignition
lead (2) form a unit. A new ignition
module must be installed if the
ignition lead is damaged.
– Pull off the spark plug boot
vertically.
– Remove the shroud, b 4.4
: Use suitable pliers to pull the leg
spring out of the spark plug boot.
– Unhook the leg spring from the
ignition lead.
– Pull the boot off the ignition lead.
0002RA074 TG
Installing
Do not shorten the ignition lead.
– Use a pointed tool to pierce the
center of the new ignition lead’s
insulation, about 15mm from the
end of the lead.
: Pinch the hook of the leg spring
into the pierced hole in the center
of the lead (arrow).
– Coat the inside of the spark plug
boot with STIHL press fluid,
b 13
: Hold the ignition lead and leg
spring together and push them
into the spark plug boot.
165RA188 TG
0002RA076 TG

Stihl SR 430 Specifications

General

Product type	Backpack garden sprayer
Product color	Black, Orange, White
Tank capacity	14 L

Weight and Dimensions

Weight	12200 g