Operating instructions

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ELECTRIC TRAINS

MTH PA POWERED B-UNIT

OPERATING INSTRUCTIONS

Thank you for purchasing the MTH Electric Trains PA B-Unit locomotive.

This ¼” scale reproduction of the famous PA B-Unit locomotive measures

over 16 1/2” in length and weighs over 4.5 pounds. Despite its scale size, the

locomotive is capable of operating on O-31 3-rail track with any compatible

AC transformer (see the chart on page 10 for a complete list of compatible

transformers and wiring instructions) and is completely compatible with past

MTH PA AA and ABA diesel sets.

The locomotive is equipped with several deluxe features that are simple and

fun to operate. Each feature is described among the following pages which

should be read before the engine is operated. For those of you who can’t wait

to get started, the Quick Start Basic Operating Instructions found on Pages 3

and 4 should be read so that you understand the basics of the operating system.

Notice: This PA B Unit should only be run with engines equipped with

original Proto-Sound from QSI. It will not work with engines equipped

with Proto-Sound 2.0

Summary of content (12 pages)

PAGE 1
MTH PA POWERED B-UNIT OPERATING INSTRUCTIONS ELECTRIC TRAINS R Thank you for purchasing the MTH Electric Trains PA B-Unit locomotive. This ¼” scale reproduction of the famous PA B-Unit locomotive measures over 16 1/2” in length and weighs over 4.5 pounds.
PAGE 2
Table Of Contents QUICK START - BASIC OPERATION DCRU® Reverse Unit Operation 3 3 USING YOUR POWERED PA B UNIT WITH PFA/FYS EQUIPPED PA AA OR ABA 4 OIL & LUBRICATION INSTRUCTIONS 5 TRACTION TIRE REPLACEMENT INSTRUCTIONS 6 O-31 OPERATION 7 SMOKE UNIT OPERATION 8 TRANSFORMER WIRING CHART 10 SERVICE AND WARRANTY INFORMATION 11 HOW TO GET SERVICE 11 LIMITED ONE YEAR WARRANTY 11 2 Premier PA B-Unit Operating Manual
PAGE 3
Quick Start - Basic Operation The MTH PA B Unit contains state-of-the art electronics with several built-in automatic features for incredibly realistic operation. The PA B-Unit is easy to operate with your existing MTH PA AA or ABA units using any compatible standard AC transformer (see the compatibility chart on page 8).
PAGE 4
Because the ProtoSound® system or DCRU® reverse unit found in your powered MTH PA A unit is not directly connected to the DCRU® unit in your powered PA B-Unit, you must cycle the power on and off slowly to maintain proper synchronization between each powered unit’s reverse unit. If the units should become unsynchronized, simply shut down power for three or more seconds. Upon repowering, each unit should come up in RESET.
PAGE 5
Oil & Lubrication Instructions In order for the engine to perform correctly and quietly, it is important that the chassis be lubricated before operation. Lubrication should include all truck block bushings and pickup rollers to prevent them from squeaking. Use light household oil and follow the lubrication points marked “L" in Fig. 2 below.
PAGE 6
the truck block and lightly coat the motor worm gear and bronze drive gear (in the truck block) with grease. Reassemble the truck and motor, being careful not to pinch the pickup and ground wires between the truck block and motor mount. Repeat the procedure for the other motor and truck and then reassemble the chassis to the body.
PAGE 7
Before the new tire can be installed, you must make sure the old tire has been completely removed from the groove in the drive wheel. Use a razor blade or small flatblade screwdriver pry away any remains left from the old tire that may still be in the drive wheel groove. Once the old tire has been completely removed, slip the new tire onto the wheel. You may find it useful to use two small flatblade screwdrivers to assist you in stretching the tire over the wheel.
PAGE 8
ProtoSmoke® Unit Operation This Premier diesel locomotive contains a self-powered smoke unit that outputs smoke through the smokestack on the roof of the engine. The smoke unit is essentially a small heating element and wick that soaks up and then heats a mineral oil-based fluid that emits a harmless smoke. The smoke is then forced out of the stack by a small electric fan. Smoke volume is controlled by the Proto-Sound 2.0 system.
PAGE 9
If you experience poor or no smoke output when the smoke unit is on and has fluid, check the wick to see if it has become hard, blackened, and unabsorbent around the heating element. Remove the smoke unit inspection cover from the smoke unit’s body (see Fig. 7 on pg. 8). After removing the chassis and inspection cover screws, lift the inspection plate away and inspect the wick. If it is darkly discolored and hard, it should be replaced.
PAGE 10
Transformer Wiring Chart 10 Premier PA B-Unit Operating Manual
PAGE 11
Premier PA B-Unit Operating Manual
PAGE 12
Service & Warranty Information How to Get Service Under the Terms of the Limited One-Year Warranty For warranty repair, do not return your product to the place of purchase. Instead, follow the instructions below to obtain warranty service as our dealer network is not prepared to service the product under the terms of this warranty. 1. First, write, call or FAX M.T.H. Electric Trains, 7020 Columbia Gateway Drive, Columbia, MD 21046, (Tel 410-381-2580; FAX No.: 410-423-0009; e-mail: service@mth-Railking.