OM-495 Page 51
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9-5. Adjusting Engine Speed (Deutz F4L2011-Powered Units)
802 313-A
Stop engine and let cool.
Engine speed is factory set and
should not require adjustment. Af-
ter tuning engine, check engine no
load speed with a tachometer or fre-
quency meter (see table for no load
speeds). If necessary, adjust speed
as follows:
Start engine and run until warm.
On CC Models, place Stick/TIG
switch in Stick position.
On CC/CV models, turn Process/
Contactor switch to Stick
−
Elec-
trode Hot position.
Standard Models:
1
Engine Speed Adjustment
Screw
2
Locking Nut
Loosen nut. Turn screw until engine
runs at weld/power speed. Tighten
nut.
Do not set engine speed higher
than specified.
Models With Automatic Idle
(Optional)
3
Throttle Rod
4
Locknut
Loosen locknuts. Place engine
control switch in Run/Idle position.
Turn throttle rod until engine runs at
idle speed. Tighten locknuts.
5
Engine Speed Adjustment
Screw
6
Locknut
Place engine control switch in Run
position.
Loosen locknut. Turn screw until
engine runs at weld/power speed.
Tighten locknut.
Do not set engine speed higher
than specified.
Stop engine.
Close door.
4
3
5
6
1
2
3/8, 7/16 in
Standard Models
Models With Automatic Idle (Optional)
1850 rpm Max.
(61.6 Hz)
1250 rpm
(41.5 Hz)
Tools Needed:
Содержание Big Blue 402D
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