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OM-4428 Page 55
10-6. Adjusting Engine Speed (Deutz F3L912-Powered Units)
803 658 / 134 730-C
! Stop engine.
Engine speeds have been factory
set and should not require adjust-
ment. After tuning engine, check
engine speeds with a tachometer.
See table for proper no load speed.
If necessary, adjust speed as fol-
lows:
1 Speed Adjustment Screw
2 Locknut
Loosen nut. Start engine.
Turn screw until engine runs at
weld/power speed. Tighten locknut.
. Do not set engine speed higher
than specified.
! Stop engine.
Close side door.
RPM (Hz)
1850
Engine Speed
(No Load)
Weld/Power
Tools Needed:
9/16, 7/8 in
1
2
(61.6 Hz)
10-7. Servicing Optional Ether Starting Aid (Deutz F3L912-Powered Units)
ether2 7/96 − ST-153 382-A / Ref. 202 705 / 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 5-5.
1
2
15 oz33 oz
(935 g) (425 g)
3
Full Empty