Lincoln Electric OUTBACK SVM204-A Service Manual page 56

F-16
ENGINE RPM ADJUSTMENT PROCEDURE (continued)
LOW IDLE ADJUSTMENT
Vibratach Method
A Vibratach is used to measure the vibrations
caused by the running engine. It can be positioned
anywhere where the engine vibration is reasonably
strong.
1. Read and understand the manufacturer's
instructions for the Vibratach.
2. Start the engine and place the idle switch in the
"HIGH IDLE" position. Make sure there is no
load on the machine.
3. Position and adjust the Vibratach; is should
read between 3700 and 3800 RPM.
TROUBLESHOOTING AND REPAIR
FIGURE F.3 – VIBRATACH METHOD
HIGH IDLE ADJUSTMENT
OUTBACK® 185
4. Move the idle switch to the "AUTO IDLE" posi-
tion and wait for the idle solenoid to energize,
and the engine RPM to drop and stabilize at the
low idle RPM.
5. Position and adjust the Vibratach; it should read
between 2250 and 2500 RPM.
6. If either of the readings is incorrect, proceed to
the Throttle Adjustment Procedure later in
this section.
F-16
TOP VIEW OF ENGINE