E-4

TROUbLESHOOTING

E-4

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PRObLEMS

(SYMPTOMS)

POSSIbLE

CAUSE

RECOMMENDED

COURSE OF ACTION

 

Engine will not go to high idle when

1.

Auxiliary power load is less than

 

 

 

using auxiliary power.

 

100 watts. Idler may not respond

 

 

 

 

 

with less than a 100 watt load. Set

 

 

 

 

 

idler to "High".

 

 

 

 

 

2.

Faulty PC board.

 

 

 

 

 

 

 

 

 

 

Engine will not go to high idle

1.

Faulty idler solenoid. Check for

 

 

 

under weld or auxiliary loading.

 

bent linkage or broken spring

 

 

 

 

 

 

 

 

 

Engine does not develop full

1.

Fuel filter clogged, Replace.

 

 

 

power. Engine runs rough.

2.

Air filter clogged, clean or replace.

 

 

 

 

3.

High idle setting incorrect, check

 

 

 

 

 

and adjust if required.

 

 

 

 

4.

Valves out of adjustment.

 

 

 

 

5.

Fuel contaminated with water or

 

 

 

 

 

sediment. Check fuel pre-filter

 

 

 

 

 

and empty of water, bleed fuel

 

 

 

 

 

system. Replace fuel in tank if

 

 

 

 

 

needed.

 

 

 

 

 

 

 

 

 

 

 

Engine will not go to high idle when

1.

Broken spring on Idle Solenoid,

 

 

 

attempting to weld or using auxil-

 

solenoid linkage binding, Faulty

 

 

 

iary power. Switching to manual

 

PC board, low idle speed set too

If all recommended possible

areas

 

high idle does not work.

 

low on idle solenoid.

of misadjustment have

been

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

 

 

 

Engine will not shut off.

1.

Fuel Shutdown

solenoid not

Contact your local Lincoln

 

 

 

functioning properly / linkage

Authorized Field Service Facility.

 

 

 

binding. Stop engine by shutting

 

 

 

 

 

off valve located on main fuel fil-

 

 

 

 

 

ter. Contact authorized local

 

 

 

 

 

Engine Service Shop.

 

 

 

 

 

 

 

 

Engine does not develop full power.

1. Fuel filter dirty/clogged. Replace.

 

 

 

Low weld and auxiliary output.

2. Air filter dirty/clogged. Replace

 

 

 

Engine runs rough.

 

Air Filter Element.

 

 

 

 

 

3. Fouled fuel injector(s). Contact

 

 

 

 

 

authorized Engine Service Shop.

 

 

 

 

4. Fuel contaminated with water.

 

 

 

 

 

Check Main Filter Bowl and Inline

 

 

 

 

 

Fuel filters for water. Clean and

 

 

 

 

 

replace as needed. Replace fuel

 

 

 

 

 

in tank.

 

 

 

 

 

 

5. Cracked

or loose fuel hose.

 

 

 

 

 

Replace

hose

and tighten

 

 

 

 

 

clamps.

 

 

 

 

 

 

6. Valves out of adjustment. Contact

 

 

 

 

 

authorized local Engine Service

 

 

 

 

 

Shop.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

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.

RANGER® 305D

Page 36
Image 36
Lincoln Electric 305D manual Functioning properly / linkage