Hobart Welding Products 3025 manual Auxiliary Power, Necessary parts

Trouble	Remedy
Remote contactor control does not	Check and tighten connections to Remote 14 receptacle RC5 (see Section 4-8).
activate contactor.
Lack of high frequency; difficulty in	Use proper size tungsten for welding amperage.
establishing Gas Tungsten Arc Weld-
ing arc.
	Reduce leakage of high frequency from torch or work cable (check grounding, remove excessive
	coils from weld cables, use shorter weld cables, etc.).
	Check cables and torch for cracked or deteriorated insulation or bad connections. Repair or replace
	necessary parts.
Wandering arc – poor control of arc	Reduce gas flow rate.
direction.
	Select proper size tungsten. Properly prepare tungsten.
Tungsten electrode oxidizing and not	Shield weld zone from drafts.
remaining bright after conclusion of
weld.
	Increase postflow time.
	Check and tighten all gas fittings.
	Properly prepare tungsten.
No 115 volts ac output at Remote 14	Reset circuit breaker CB12 (see Section 7-8).
receptacle RC5.
No 24 volts ac output at Remote 14 re-	Reset circuit breaker CB11 (see Section 7-8).
ceptacle RC5.

B. Auxiliary Power

Trouble	Remedy
No power output.	Reset circuit breakers (see Section 6-1).
	Have Factory Authorized Service Agent check brushes, slip rings, voltage regulator board PC8, intercon-
	necting board PC2, and control board PC1.
Low power output.	Check air cleaner, and clean or replace element if necessary.
	Check engine speed, and adjust if necessary (see Section 7-7).
	See engine manual.
High power output.	Check engine speed, and adjust if necessary (see Section 7-7).
Erratic power output.	Check receptacle wiring and connections.
	Check governor according to engine manual.
	Have Factory Authorized Service Agent check brushes, slip rings, voltage regulator board PC8, intercon-
	necting board PC2, and control board PC1.

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