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MTHTrains HO 4-8-2 Mohawk Engineer's Manual

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M.T.H. HO 4-8-2 Mohawk
Steam Engine
(PS3)
ENGINEER'S GUIDE
Congratulations! You've just purchased the most
3
feature rich and technically advanced HO steam
engine ever produced! In addition, it happens to be
produced by MTH, the leader in digital sound and
control technology for model railroading. There will
be many more engines to follow.
We hope you will enjoy them.
Now, let's get started.....
Freight Yard Sound
Passenger Station Announcement
PLEASE READ THE MANUAL BEFORE USE AND SAVE
WWW.MTHTRAINS.COM

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Summary of Contents for MTHTrains HO 4-8-2 Mohawk

  • Page 1 M.T.H. HO 4-8-2 Mohawk Steam Engine (PS3) ENGINEER’S GUIDE Congratulations! You've just purchased the most feature rich and technically advanced HO steam engine ever produced! In addition, it happens to be produced by MTH, the leader in digital sound and control technology for model railroading.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS UNPACKING YOUR ENGINE Removing and Unwrapping Your Engine What Else is in the Box? PRODUCT OVERVIEW Getting to Know Your Engine Engine Diagram SET-UP Engine and Tender Connection Smoke Unit Preparation and Use Removal/Installation of Drive Wheel Sets Lubrication FEATURES AND OPERATION Modes of Operation...
  • Page 3 Step 4: Add the engine to your system and start her up… Step 5: Turn the throttle and move out…. CAUTION: M.T.H. HO engines DO NOT OPERATE ON AC VOLTAGE. Applying AC power to your locomotive could cause permanent damage and will void your warranty. M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 4: Unpacking Your Engine

    Rear Drive Wheel Set without Traction Tires (1) For Those who prefer not to use traction tires. 3mm Nut Driver (1) In case you want to install the drivers with traction tires or replace the standard drive wheels. M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 5: Product Overview

    (when operated in DCS mode with the DCS Commander or DCS software version 4.0 or greater). Also included is a Grade Crossing Whistle M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 6 There are so many more things to learn and enjoy about the Mohawk, we could write a book. But, that's no fun. So, if you haven't already done so, flip to the Quick Start Guide and let's run your new engine!! M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 7: Engine Diagram

    ENGINE DIAGRAM Boiler Sliding Roof Vent Smoke Stack Cab Interior Light Fireman/ Engineer Figures Front Coupler Apron Drawbar Drive Wheels Pilot Truck Tender Rear Coupler Drawbar Receiver M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 8: Set-Up

    Using the 3mm nut driver tool we provided in the box, carefully remove the drive rod screws (2) on the rear set of drive wheels. There's one on each side. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 9 Now, remove the two screws holding the gearbox cover in place. Then carefully remove the gearbox cover and set it aside. Driver springs Traction tire Brake Shoe Detail/bottom plate Nontraction tire M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 10: Lubrication

    Your gearbox is properly greased at the factory and probably never needs service however, if you run excessive hours pulling heavy loads, it's a good idea to remove the 2 screws from the gearbox cover and re-grease using M.T.H. gear grease or equivalent. Lubricate Axles (L) M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 11: Features And Operation

    DCC but, we recognize it's importance to many HO operators. So, we loaded our engine with more DCC features easily accessible to the operator than any HO engine ever built previously. You DCC guys are in for a real treat! M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 12 Then align the two U-shaped clips with the catwalk and press the clips onto catwalk. It is recommended to install one smoke deflector then the other. Then squeeze them together using your thumb and forefinger. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 13 You should notice the speed remains constant up and down grades, around curves, and with varying loads. This is no accident. You've got the most precise speed control system available today. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 14 The first thing to know about the lighting is there aren't any bulbs. It's all LEDs so, if you look for a section on how to replace them, you won't find it. You should never have to. M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 15: Dcc Digital Command Control

    When your done, press the F3 key again, your engine will shut down. To be clear, pressing F3 when the engine is shut down will start it up. Pressing F3 when the engine is started up will shut it down. Pretty clever, eh? M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 16 The engine sounds will switch over to the cab again. When the bell begins to ring, advance the throttle to move the engine out of the station or yard. The bell will shut off automatically. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 17 F0 – Headlight Toggles the headlight on/off. F5 – Cab Interior Light Toggles all lighting on/off, including Marker LED's. When on, all lighting behaves automatically as described elsewhere. When F5 is off, all lighting is off. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 18 Cycles smoke volume through min, med, and max output levels. F18 – Whistle Toot Plays a single short whistle toot so you can make up your own signal patterns. F19 – Coupler Close Plays the sound of 2 couplers crashing together and closing. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 19 F28 – Train Wreck Causes a calamity of sounds that simulate a train wreck. After the crash, sounds remain a hissing pile of wreckage until you press start up to clear the effect. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 20 Bits 5 = ext. addr; bit 1 = speed/dir method Short Address (controllers that prohibit addr POM) 50 & 51 Extended Address (controllers that prohibit addr POM) Reset - send value = 55 to addr 55 M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 21 This is like a mixer so you can set up the engine fit your specific tastes and sense of realism. Oh, they all move relatively up or down with the master volume settings. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 22 As with everything in DCS, this becomes a little more than obvious. Pressing the “HEADLIGHT” button turns of the directional head and taillight. Pressing the Interior light will turn off the cab interior light. M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 23: Specifications

    Default Addresses DCS DCC short DCC extended Cab No. or 3333 US PATENTS US 6,457,681 Oct. 2, 2002 US 6,619,594 Sept. 16, 2003 US 6,655,640 Dec. 2, 2003 ©2008, M.T.H. Electric Trains Columbia, MD 21046 M.T.H. HO 4-8-2 Mohawk Steam Engine...

  • Page 24: Care And Maintenance

    Low or Med. With the engine running in DCS or DCC set the smoke back to High. It’ll remember what you last set it as when you run it again in Conventional DC M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 25 Check to see if you have any kind of binding on the side rods. There may be a chuck of your favorite, perfectly scaled pine tree stuck in there. M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 26 DCS mode you may have toggled it there (If you don’t have F17 on your DCC handheld you will have to put it back into DCS mode and change it from there) M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 27 Shut Down Solution Okay, I give up. What do I have to do Well, you can either remove power to shut it down? from the track or press F3 again M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 28 This is normal. You will need to press the Doppler shift but then the engine Doppler button again to turn Doppler off. Your sounds fade out and I can’t get them engine sounds will now return to normal back M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 29 Solution Okay, I give up. What do Well, you can either remove power from the track I have to do to shut it or press or press Shut-Down. Button on the DCS down? Remote M.T.H. HO 4-8-2 Mohawk Steam Engine...
  • Page 30 M.T.H. Electric Trains. The manufacture date of an item can be verified on the item's detail page “shipping date field” on the M.T.H. website (www.mthtrains.com). This warranty does not cover damages caused by improper care, handling, or use. Transportation costs incurred by the customer are not covered under this warranty.

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