Rail King 4-6-4 J3a Hudson Manuel de l'opérateur télécharger pdf (Page 15)

Maintenance

The engine should be well oiled and greased in order to run properly.

You should regularly lubricate all side rods and linkage components to prevent them from

squeaking. Use light household oil and follow the lubrication points marked “L” in

Fig. 9. Do not over-oil. Use only a drop or two on each pivot point.

You should also grease the leading and trailing locomotive truck tongues to enhance their

ability to slide on the chassis. Follow the grease points shown on Fig. 10.

The locomotive’s internal gearing was greased at the factory and should not need

additional grease until after 50 hours of operation or one year, whichever comes first. To

access the gear box and axles, do the following:

1. Turn the engine upside down and remove the leading truck mounting screws (you will

have to remove the leading truck plate as well) to gain access to the front boiler mounting

screw. Remove that screw and the two rear boiler mounting screws as seen in Figure 11.

Figure 9: Lubricating The Chassis

Figure 10: Greasing the leading and trailing truck pivot points.

4-6-4 J3a Hudson Steam Locomotive

Lubricate Side Rods and Linkage (L) (Both Sides)

Lubricate Axle Bushings (L)

Grease Pivot Point (G)

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Rail King 4-6-4 J3a Hudson Manuel de l'opérateur Page 15