Lincoln Electric RANGER 275 Operator's Manual page 42

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PROBLEMS
(SYMPTOMS)
Engine will not idle down to low
speed.
Engine will not go to high idle when
attempting to weld.
Engine will not go to high idle when
using auxiliary power.
Engine does not develop full power.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
1. Idler switch in High idle position.
2. External load on welder or auxil-
iary power.
3. Faulty PC board or idler solenoid.
1. Poor work lead connection to
work.
2. "Contactor" switch is in wrong
position.
3. Faulty PC board. Low idle speed
set too low.
1. Auxiliary power load is less than
100 watts.
2. Faulty PC board.
1. Fuel filter clogged.
2. Air filter clogged.
3. Fouled spark plugs.
4. Valves out of adjustment.
RANGER 275
1. Set switch to Auto.
2. Remove all external loads.
3. Contact your Local Lincoln Authorized
1. Make sure work clamp is tightly con-
2. Set to "Welding On" when welding
3. Contact your Local Lincoln Authorized
1. Idler may not respond with less than a
2. Contact your Local Lincoln Authorized
1. Replace.
2. Clean or replace.
3. Clean or replace.
4. Contact authorized engine service
CAUTION
RECOMMENDED
COURSE OF ACTION
Field Service Facility for technical
troubleshooting assistance.
nected to clean base metal.
without a control cable. Refer to
Operations chapter for proper use of
this switch.
Field Service Facility for technical
troubleshooting assistance.
100 watt load. Set idler to "High".
Field Service Facility for technical
troubleshooting assistance.
shop.
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