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OM-480 Page 29
7-6. Overload Protection
Ref. ST-156 199-B / ST-801 320-B
Y Stop engine.
. When a fuse opens, it usually
indicates a more serious prob-
lem exists. Contact a Factory
Authorized Service Agent.
1 Magnetic Shutdown Switch
MS1 (Optional)
2 Fuse F (See Parts List)
Fuse F protects magnetic shut-
down switch MS1. If fuse F opens,
the engine stops.
3 Throttle Solenoid Fuse F4
(Optional)
Fuse F4 protects the throttle sole-
noid from overload on models with
automatic idle option. If fuse F4
opens, the engine does not run at
idle speed.
Check fuses and replace if open.
1
2
3
Tools Needed:
7-7. Servicing Optional Ether Starting Aid
ether2 7/96 – ST-153 382-A / S-0692
Y Stop engine.
Y Improper handling or expo-
sure to ether can harm your
health. Follow manufactur-
er’s safety instructions on
cylinder.
If engine does not start in cold
weather, check ether cylinder as
follows:
Remove cylinder from valve.
1 Ether Cylinder
2 Valve
3 Scale
Weigh cylinder to see if it is empty.
Be sure atomizer is not plugged and
valve fitting is clean.
Replace cylinder according to
Section 4-5.
1
2
EmptyFull
15 oz33 oz
(935 g) (425 g)
3