Miller Trailblazer 280 NT Manual do Proprietário - Página 31

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7-7. Overload Protection

A. Welding

Trouble

No weld output.

Check control settings.

Check weld connections.

Disconnect equipment from auxiliary power receptacles during start-up.

Place Output (Contactor) switch in On position, or move switch to Remote 14 position and connect

remote contactor to Remote 14 receptacle RC1 (see Sections 4-8 and 5-1).

Check fuses F1 and F2, and replace if necessary (see Section 7-7).

Have Factory Authorized Service Agent check brushes, slip rings, and field current control board PC2.

Y Stop engine.

Tools Needed:

3/8 in

CB5 protects the 24 volt ac output

to Remote 14 receptacle RC1. If

CB5 opens, 24 volt ac output to

RC1 stops.

CB6 protects the 115 volt ac output

to Remote 14 receptacle RC1. If

CB6 opens, 115 volt ac output to

RC1 stops.

Press button to reset breaker.

F6 protects the engine wiring sys-

tem from overload. If F6 opens,

engine will not crank.

Remove side panel.

F1 protects the exciter excitation

winding from overload. If F1 opens,

weld and auxiliary power output

stops.

F2 protects the stator winding from

overload. If F2 opens, weld output

stops. Auxiliary power will still be

available.

Replace any open fuses. Reinstall

cover before operating unit.

Remedy

When a circuit breaker or fuse

opens, it usually indicates a