Lincoln Electric SVM153-A service manual Maintenance

D-7 D-7

MAINTENANCE

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COOLING SYSTEM: The cooling system of the Deutz engine needs to be checked and cleaned periodically. Consult the engine Operation Manual for the proper frequency and procedure.

COOLING BLOWER BELT: The following procedure should be followed to replace the cooling blower belt:

1.Allow the machine to cool.

2.Unfasten and slide the battery holder out from the welder.

3.Disconnect the negative battery cable.

4.Remove the engine case side.

5.Loosen the air cleaner hose clamp and detach the hose.

6.Remove the engine end panel with air box and air cleaner attached for access to the engine.

7.See Figure D.4. Loosen the alternator mounting bolts (1, 2, 3) and rotate the alternator toward the engine.

8.Remove the old cooling blower belt and install a new one.

9.Push outward on the alternator (4) and adjust the cold belt tension to 63-73 lbs. (10-15 mm maxi- mum deflection) midway between any two pulleys. Tighten bolts (1), (2), (3).

10.Reinstall the air cleaner hose, engine case side, and engine end panel. Reattach the negative bat- tery cable. Slide in and refasten the battery holder.

11.Check the cooling blower belt tension after 100 hours of operation. (Follow seps 1-6; 9 and 10.)

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FIGURE D.4 – COOLING BLOWER BELT REPLACEMENT AND ADJUSTING

1

2

4

3

COMMANDER 500