E-5
TROUBLESHOOTING
E-5
MOBIFLEX 400-MS(/HE) BASE UNIT & LFA 3.1/4.1 MOBILE MANUAL/AUTOMATIC
Observe all Safety Guidelines detailed throughout this manual
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.
CAUTION
LFA 3.1/4.1 MOBILE MANUAL/AUTOMATIC
LFA 3.1/4.1 MOBILE AUTOMATIC ONLY:
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
Extraction hood not in balance.
Extraction hood does not stay in
desired position.
Not enough friction.
Adjust balance.
See Balance
Check
.
Extraction hood not in balance.
Extraction hood canʼt be moved in
desired position.
Too much friction.
Adjust friction.
See Balance
Check
.
Extraction capacity insufficient.
Pollution of the facility.
Throttle valve closed.
Open throttle valve.
Flexible hose(s) torn or loose.
Replace flexible hose(s) or apply
correctly.
Rubber seal(s) torn.
Replace rubber seal(s).
Worn out steel cable.
Replace steel cable and lubricate.
Worn out bearing of balance wheel.
Replace bearing and lubricate.
Halogen lamp defective.
Replace halogen lamp.
Extraction arm not in balance.
Entire arm falls on its own.
Lack of spring tension fan side.
Increase spring tension.
See
Balance Check
.
Extraction arm not in balance.
Hood section falls on its own.
Lack of spring tension hood side.
Increase spring tension.
See
Balance Check
.
Extraction arm creaks or squeaks.
Excessive wear of parts.
Insufficient lubrication in hinges.
Lubricate hinges using oil or
grease.
See Maintenance
Section
.
Insufficient light to the workpiece.
No clear view.
Weld spatters on glass spatter
guard.
Replace glass spatter guard.