M.T.H. F-3 POWERED B-UNIT Manuel utilisateur

ELECTRIC TRAINS

MTH F-3 POWERED B-UNIT

OPERATING INSTRUCTIONS

Thank you for purchasing the MTH Electric Trains F-3 B-Unit

locomotive. This ¼” scale reproduction of the famous F-3 B-Unit

locomotive measures over 13 1/2” in length and weighs over 3.5 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 8 for a

complete list of compatible transformers and wiring instructions) and is

completely compatible with past MTH F-3 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.

MTH F-3 B-Unit Operating Manual

Table Of Contents

QUICK START - BASIC OPERATION 3

DCRU® Reverse Unit Operation 3

USING YOUR POWERED F-3 B UNIT WITH PFA/FYS

EQUIPPED F-3 AA OR ABA 4

OIL & LUBRICATION INSTRUCTIONS 5

TRACTION TIRE REPLACEMENT INSTRUCTIONS 6

O-31 OPERATION 7

TRANSFORMER WIRING CHART 8

PARTSLIST 9

EXPLODED VIEW 10

SERVICE AND WARRANTY INFORMATION 11

HOW TO GET SERVICE 11

LIMITED ONE YEAR WARRANTY 11

MTH F-3 B-Unit Operating Manual

QUICK START - BASIC OPERATION

The MTH F-3 B Unit contains state-of-the art electronics with several

built-in automatic features for incredibly realistic operation. The F-3

B-Unit is easy to operate with your existing MTH F-3 AA or ABA units

using any compatible standard AC transformer (see the compatibility chart

on page 8). The F-3 powered B-Unit is controlled by a DCRU® electronic

reverse unit which unit operates in the same manner that all reverse units

function by using forward, neutral and reverse states that are entered each

time the throttle is turned on and off or by using the transformer direction

switch (if so equipped). Simply plug the B-Unit wire harness into the

existing sockets of the F-3 AA or ABA set to allow Proto-Coupler®

equipped engines and directional lighting systems to function. Once

connected, advance the transformer throttle to cycle all AA and B units

together from RESET to Forward as explained in the DCRU section below.

DCRU® REVERSE UNIT

As mentioned in the Basic Operating section, the engine is controlled by a

DCRU® reverse unit that contains the standard forward-neutral-reverse

states found on most reverse units. However, when power is first applied to

the track, the reverse unit begins in RESET or what seems like a neutral

state. Power must be interrupted again to get the locomotive to enter the

forward state. The system will enter RESET whenever power to the track is

off for three or more seconds. NEUTRAL should be referred to as the state

between Forward and Reverse.

Because the ProtoSound® system or DCRU® reverse unit found in your

powered MTH F-3 A unit is not directly connected to the DCRU® unit in

your powered F-3 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. If you choose to operate your existing F-3

A units in a “locked-out” state, a lockout switch on the powered F-3 B-Unit

has been provided so that you can manually “lock-out” the B-Unit in the

same direction the powered A Units are configured.

RESET

Neutral

Reverse

Neutral

Forward

Figure 2: DCRU™ Cycle Phases

USING THE POWERED F-3 B-UNIT WITH

PFA/FYS EQUIPPED MTH F3 AA OR ABA

You can utilize the PFA/FYS that came equip on previous MTH Premier F3

AA or ABA by reading the following instructions. Refer to your Premier F3

AA or ABA for operation instruction of PFA/FYS. Your MTH Premier

Powered F3 B-unit has a DCRU installed in it, which is not directly connected

to the ProtoSound of your powered A unit. Because the Powered B-unit is not

directly connected to the ProtoSound, the Powered B-unit will cycle its

directional states while the ProtoSound A unit is playing the PFA/FYS events.

To operate the Powered F-3 B-unit with your ProtoSound A unit, the only

thing to remember is not to set the voltage on the transformer too high, not

above 8-10 volts. If the voltage is set to high, the Powered B-unit will begin

vibrating on the track, as its motors will be turning. Since the directional

cycles of the DCRU are insink with the number of events played during the

PFA/FYS, the Powered B-unit will start in the same direction as the

ProtoSound A unit after the PFA/FYS has finished playing.

MTH F-3 B-Unit Operating Manual

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.

3 below.

The locomotive’s internal gearing in both power trucks has been greased at

the factory and shouldn’t need additional grease until after 50 hours of

operation or one year whichever comes first. Grease cannot be added to the

internal gearing until the body is removed from the chassis which is held in

place by four Phillips screws. The screws are located on each end of the

chassis as seen in Fig. 5 on the following page. After removing the screws,

lift the body away from the chassis and lay the body next to the chassis.

Next, remove the truck blocks from the chassis by unscrewing the large

Phillips motor mount screw on the bottom of each truck block (See Fig. 5).

Once the motor mount screw has been removed, pull the motor away from

Figure 3: Lubricating The Chassis

GREASE

Figure 4: Greasing The Chassis Trucks

MTH F-3 B-Unit Operating Manual

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. When reassembling the chassis and

body, be very careful that the lighting wire harnesses are not caught

between the body and chassis as this can lead to a short which may damage

the electronic circuit boards beyond repair.

In addition to the truck block internal gearing, it is a good idea to lubricate

the outside truck block “idler" and “drive" gears with grease. Use the

diagram shown in Fig. 4 above as a guide and add grease to the points

marked with a “G".

Periodically, check the locomotive wheels and pickups for dirt buildup as

this can significantly affect the engine’s ability to perform properly. Dirty

track and dirty wheels can cause both poor electrical contact as well as poor

traction, especially on elevated track sections. Finally, dirt and oil build up

can prematurely wear out the neoprene traction tires.

TRACTION TIRE REPLACEMENT

INSTRUCTIONS

Your locomotive is equipped with two neoprene rubber traction tires on

each power truck. While these tires are extremely durable and long-lasting

there may arise a time where they will need to be replaced. Should this

occur, you will need to remove the truck sides from the truck block from the

chassis in order to slip the new tire over the grooved drive wheel. The truck

Motor Mount Screw

Body Mount Screws

Figure 5: Removing The body From The Cahssis

MTH F-3 B-Unit Operating Manual

sides can be removed from the truck block by turning the engine upside

down and unscrewing the two phillips head screws.

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. Be careful to avoid twisting the tire when stretching it

over the wheel. If a twist occurs, the tire will have to be removed and

reinstalled or a noticeable wobble in your engine will occur when operating

the locomotive. In addition, it is important to make sure that the tire is

fully seated inside the groove. Any portion of the tire extending out of the

groove can cause the engine to wobble. A razor blade can be used to trim

away any excess tire that doesn’t’t seat itself inside the groove properly.

Once the new tire(s) are in place, reassemble the truck sides to the truck

blocks and then reassemble the chassis to the body. Replacement tires are

available directly from MTH Electric Trains.

O-31 OPERATION

While the MTH F-3 B-Unit is more than capable of operating on O-31

curves and switches, you may find that certain light freight cars are prone to

derailing when being pulled or pushed by the MTH F-3 through O-31

switches. Should this occur, we suggest adding weight to the cars making

them heavier and less likely to derail.

MTH F-3 B-Unit Operating Manual

TRANSFORMER WIRING CHART

ProtoSounds® is designed to work with any standard AC transformer that

uses a “Pure Sine-Wave" format. The chart below lists the many Lionel®

compatible transformers, such as the Lionel KW or ZW models. In

addition, the chart details how the terminals on these compatible

transformers should be attached to your layout. The Trainmaster system

from Lionel® (marked with an asterisk below) will not function correctly

with ProtoSounds without disrupting the sound effects. Therefore,

whenever ProtoSounds senses that the Trainmaster system is being used, it

automatically disables ProtoSound’s sound effects. The operator retains

control over the engine, but no sound effects will play.

*ProtoSounds needs over 14 volts of power to work properly. Overloading or using in-line

accessories with this transformer may lower the peak voltage below ProtoSound’s

requirements.

Transformer

Model Center Rail Outside Rail Min/Max.

Voltage Power

Rating Transformer

Type

Lionel 1032 UA5-16v* 90-Watt Standard

Lionel 1032M UA5-16v* 90-Watt Standard

Lionel 1033 UA5-16v* 90-Watt Standard

Lionel 1043 UA5-16v* 90-Watt Standard

Lionel 1043M UA5-16v* 90-Watt Standard

Lionel 1044 UA5-16v* 90-Watt Standard

Lionel 1053 UA8-17v 60-Watt Standard

Lionel 1063 UA8-17v 60-Watt Standard

All-Trol Left Terminal Right Terminal 0-24v 300-Watt Electronic

Cab-1/Powerma

st er AU0-18v 135V.A. Electronic

Dallee Hostler Left Terminal Right Terminal

Lionel LW AU8-18v 75-Watt Standard

Lionel KW A or B U6-20v 190-Watt Standard

MRC Tech II Left Terminal 2ndFrom Left 0-15v* 40V.A. Electronic

Lionel MW (not

recommende d) Outside Track

Terminal Inside Track

Terminal 5-16v* 50V.A. Electronic

R.O.W. Red Terminal Black Terminal 0-24v 384-Watt Standard

Lionel RS-1 Red Terminal Black Terminal 0-18v 50V.A. Electronic

Lionel RW UA9-19v 110-Watt Standard

Lionel SW UAUnknown 130-Watt Standard

Lionel TW UA8-18v 175-Watt Standard

Lionel ZW A or D U8-20v 275-Watt Standard

MTH Z4000 Red Black 5-21v 390-Watt Electronic

MTH F-3 B-Unit Operating Manual

Parts

Name and NumberPart#

1.)Shell ( AT & SF )FC-2100094

1.)Shell ( C& O #8506 )FC-2100095

1.)Shell ( B & M )FC-2100096

1.)Shell ( L & N #701 )FC-2100097

1.)Shell ( RI )FC-2100098

1.)Shell ( ARR #1503 )FC-2100099

2.)Vent(right)(AT&SF)(silver)FC-2110012

2.)Vent(right)(C&O)(blue)FC-2110013

2.)Vent(right)(B&M)(maroon)FC-2110014

2.)Vent(right)(L&N)(blue)FC-2110015

2.)Vent(right)(RI)(black)FC-2110016

2.)Vent(right)(ARR)(blue/yellow)FC-2110017

3.)Vent(left)(AT&SF)(silver)FC-2120012

3.)Vent(left)(C&O)(blue)FC-2120013

3.)Vent(left)(B&M)(maroon)FC-2120014

3.)Vent(left)(L&N)(blue)FC-2120015

3.)Vent(left)(RI)(black)FC-2120016

3.)Vent(left)(ARR)(blue/yellow)FC-2120017

4.)Vent(top)(AT&SF)(silver)FC-2100100

4.)Vent(top)(L&N)(blue)FC-2100101

4.)Vent(top)(ARR)(blue)FC-2100102

4.)Vent(top)FC-2100103

(RI,B&M,C&O)(black)

5.)DiaphramFI-0000017

6.)Handrail (18.5mm long)FC-2100104

7.)Handrail (31.5mm long)FC-2100105

8.)Lens (portal)(11.0mm)FA-0000001

9.)RubberbandBI-4500004

10.)Motor BE-0000022

11.)DCRU boardAC-0000001

12.)ScrewIA-0000055

13.)ScrewIA-0000094

14.)BracketIH-0000039

15.)ChassisDH-2100006

16.)Motor mountBI-0000009

17.)Spacer (2.0X4.5X14.5mm)ID-0000050

18.)PCB board (w/wire harness)BB-0000014

19.)ScrewIA-0000095

20.)ScrewIA-0000044

21.)Ladder (chassis)( silver )FC-2100106

21.)Ladder (chassis)( black )FC-2100107

22.)ScrewIA-0000037

23.)Ladder (truckside)(silver)FC-2100108

23.)Ladder (truckside)(black)FC-2100109

24.)Truckside (silver )DB-2100005

24.)Truckside (black )DB-2100006

25.)ScrewIA-0000003

26.)Wire strapIH-0000012

27.)Fuel tank (silver)FC-2100110

27.)Fuel tank (black)FC-2100111

28.)Switch (small)BB-0000009

29.)ScrewIA-0000076

30.)ScrewIA-0000001

31.)ScrewIA-0000012

32.)ScrewIA-0000041

33.)ScrewIA-0000015

34.)Insulator (top)(square)BD-0000015

35.)ScrewIA-0000016

36.)Traction tiresDE-0000018

37.)Truckblock(2axle)DA-2000002

Parts

Name and NumberPart#

38.)NutIC-0000005

39.)Insulator (bottom)(rect.)BD-0000039

40.)Pick-upBD-0000025

41.)E-clipIF-0000002

42.)WasherID-0000026

43.)SpringIE-0000007

44.)T-barIG-0000001

45.)Coupler (non-operating)DD-4000005

46.)Wire harnessBC-0000011

* Requires Exchange

Premier Powered B Unit

MTH F-3 B-Unit Operating Manual

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