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UNION PACIFIC 4-8-8-4 BIG BOY, ELECTRIC

INSTRUCTION MANUAL

33268 Cental Avenue

Union City, CA 94587

Tel: (510) 324-3399

Fax: (510) 327-3366

www.accucraft.com

Copyright 2006

Summary of Contents for UNION PACIFIC 4-8-8-4 BIG BOY

Page 1: ...UNION PACIFIC 4 8 8 4 BIG BOY ELECTRIC INSTRUCTION MANUAL 33268 Cental Avenue Union City CA 94587 Tel 510 324 3399 Fax 510 327 3366 www accucraft com Copyright 2006 ...

Page 2: ...f the Big Boy Not only were these locomotives the largest ever built but they were highly successful and reliable The Big Boy moved monumental amounts of freight during their short 18 year working career and helped win World War 2 The entire first group of Big Boys ran over 1 million miles and the last group ran over 800 000 miles In many peoples minds no other steam locomotive in history exemplifie...

Page 3: ...Wiring Diagram at the rear of this manual The lights on this locomotive are LEDs rated at 6 volts Your locomotive and tender are electrically connected via a 12 prong plug at the rear of the locomotive under the rear deck This plug takes the place of the usual wireless drawbar that has traditionally been found on metal locomotive models The drawbar on this model is just what the name implies a dra...

Page 4: ...nches 851 mm Width 4 25 inches 108 mm Height 6 3 inches 160 mm Tender Information Length 17 inches 432 mm Width 4 05 inches 103 mm Height 6 37 inches 162 mm Recommended Radius 3M 10ft Power Two Pittman GM94 13 2 0 24V DC 11 5 1 Gear Ratio Peak rated output torque 187 oz in Output Shaft stall torque 911 oz in Be sure to leave at least a 3 clearance measured from the inner rail to allow for overhang...

Page 5: ...bby gear lubricant To access the many moving parts of this model using a soft towel or foam sheet the model should be carefully placed on its side A drop of light oil on every moving part is necessary there are many moving parts on this locomotive Be sure to lubricate all the crank pins crosshead slides piston rods etc that are visible to you Make sure you lubricate the locomotive and tender axle ...

Page 6: ... clean the electrical pickup units when needed Replacement electrical pickup units can be ordered from Accucraft Trains Lighting This model features directional lighting Sound installation if not factory installed Several manufactures have sound systems that are acceptable for your new Big Boy locomotive Sound system power connectors are available for the power distribution board in the tender and...

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