Lincoln Electric LN-8 SVM132-A Manuel d'utilisateur télécharger pdf (Page 66)

INTERNAL VOLTAGE TEST (continued)

TABLE F.1 – VOLTAGE TEST POINTS

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC

Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC

F-16

TROUBLESHOOTING AND REPAIR

F-16

LN-8

ACCEPTABLE

CHECKPOINT TEST VOLTAGE

LOCATIONS DESCRIPTION LEAD NO. READING

Input Circuit Breaker Input voltage before the #31 and #32 103 to 126VAC

and circuit breaker and 2

Resistor R4 ohm resistor (R4).

Input Circuit Breaker Input voltage after the #31 and #32A 103 to 126VAC

and circuit breaker.

Resistor R4

Input Circuit Breaker Input voltage after the #531 and #32A 103 to 126VAC

and circuit breaker and 2

Resistor R4 ohm resistor (R4).

Gun trigger receptacle Check voltage across #524 (pin A) and 34 to 42VDC

pins A and C gun trigger - #528 (pin C)

- trigger open.

Terminals #7 and #32A Auxiliary terminals #7 and #32A 103 to 126VAC

located on relay board (gas solenoid)

Note: Gun trigger must

be activated.

Terminals #626 and Drive motor field #626 and #627 102 to 125VDC

#627 located on relay voltage.

board

Terminals #539 and Drive motor armature #539 and #541 4VDC (min) -

#541 located on control voltage. 90VDC (max).

board Note: Gun trigger must

be activated and

armature voltage will

be dependent upon wire

speed setting.

Control board Check that 115VAC is #32A (pin 12) and 103 to 126VAC

connector plug being applied to control #7 (pin 2)

board when gun trigger

is activated.

Relay board connector Check that 115VAC is #32A (pin 1) and 103 to 126VAC

plug being applied to the #531 (pin 4)

control board.

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 98 99

Commentaires sur ces manuels

Pas de commentaire

Lincoln Electric LN-8 SVM132-A Manuel d'utilisateur Page 66

Commentaires sur ces manuels

Produits connexes et manuels pour Système de soudage Lincoln Electric LN-8 SVM132-A