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OM-225 590 Page 41
8-5. Adjusting Engine Speed
804 285-A
Engine speed is factory set and
should not require adjustment. Af-
ter tuning engine, check engine
speed with tachometer. See table
for proper no load speed. If neces-
sary, adjust speed as follows:
1 Adjustment Rod
2 Thumbwheels
Start engine and turn thumbwheels
to increase or decrease engine no
load speed.
3 Speed Control Lever
Rotating lever clockwise increases
engine speed.
! Stop engine.
Close side door.
3/8 in
RPM (HZ)
1850 (61.6)
Tools Needed:
Engine Speed
(No Load)
Weld/Power
1
2
3
2
8-6. Servicing Optional Ether Starting Aid
ether2 7/96 − 153 382-A / Ref. 225 543 / S-0692
! Stop engine.
! 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 5-16.
1
2
15 oz33 oz
(935 g) (425 g)
3
Full Empty