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MTHTrains HO GP38-2 Engineer's Manual

Diesel engine
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M.T.H. HO GP38-2
Diesel Engine
(PS3)
Engineer's Guide
Congratulations! You've just purchased the most
feature-rich and technically advanced HO diesel
locomotive ever produced! This highly detailed
3
model includes a broader range of features than
you'll find on any other HO scale diesel, including
smooth perfor mance from a three-scale-mile-per-
hour crawl to full throttle; "cr uise control" for
steady speeds regardless of curves, switches and
grades; built-in decoders for DCC and the M.T.H.
Digital Command System (DCS); and a full range
of prototypical sounds. If you're looking for
motive power that' s accurately detailed, smooth
running, and a great deal of fun to operate, it
PFA
doesn't get any better than this.
Passenger/Freight
Announcements
Operates on 18" radius curves with Code 70,
Code 83 or Code 100 rails .
PLEASE READ THE MANUAL
BEFORE USE AND SAVE
WWW.MTHHOTRAINS.COM

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  • Page 1 M.T.H. HO GP38-2 Diesel Engine (PS3) Engineer's Guide Congratulations! You've just purchased the most feature-rich and technically advanced HO diesel locomotive ever produced! This highly detailed model includes a broader range of features than you’ll find on any other HO scale diesel, including smooth perfor mance from a three-scale-mile-per- hour crawl to full throttle;...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS UNPACKING Y OUR ENGINE ............4 Removing and Unwrapping Y our Engine............4 What Else is in the Bo x ?..................4 PRODUCT O VERVIEW ...............5 Getting to Know Your Engine...............5 SET-UP....................7 Installing Couplers ....................7 Snow Plo w Installation ..................7 Lubrication......................7 MODES OF OPERATION ..............8 FEATURES AND OPERATION ............9...
  • Page 3 5 seconds after removing power to insure the settings are stored in the engines memor y. Reapplying po wer in less than 5 seconds ma y result in losing the setting c hanges. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 4: Unpacking Y Our Engine

    Carefully remo ve any foam pac king pieces that ma y be surrounding the model. What Else is in the Bo x? The f ollowing items ar e pack ed with your engine. Engineer’ s Guide Snow Plow M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 5: Product O Verview

    (tw o blasts) and rev erse (three blasts) signaling and crossing signal sounds, all a vailable with one-touc h control from a DCS controller or through any DCC controller capable of accessing up to F28. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 6 M.T .H. HO Engines, we could write a book. But, that's no fun. So, if you haven't already done so , flip to the Quick Star t Guide and let's r u n your new engine!! M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 7: Set-Up

    , it's a good idea to remove the gearbox cover and re-grease using M.T .H. gear grease or equivalent. Lubricate Axles (L) Lubricate Axles (L) M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 8: Modes Of Operation

    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 GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 9: Features And Operation

    This can in voke the anti-jac k rabbit feature . The solution is to flip the direction switc h more quickly or disable the feature in DCC . Please see page 23 for more information. Don't w orry you won't hurt the engine. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 10 The headlight functions under r ule 17 and dims when stopped for a time or while bac k ing up . Of course, just as y ou begin to move forward, it g oes bright to show the w ay. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 11: Dcs Digital Command System

    You can either press the Doppler button on the remote to acti v ate what we refer to as “one-shot” Doppler , or, using DCS , you can program a Doppler loop that will peak at the same point on y our la yout, over and over. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 12 Lighting As with ev erything in DCS , this becomes a little more than ob vious. Pressing the “HEADLIGHT” button tur n s off the directional headlight and rev erse light (if equipped). M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 13: Dcc Digital Command Control

    F Function buttons . Your MTH PS3.0-equipped engine's default shor t address is 3. So all y ou have to do is power up your DCC system and call up Locomoti ve 3 to begin. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 14 . You will hear the engine sounds switc h from the cab to the station or yard with all the ambient sounds y ou'd hear in the real thing . M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 15: Crossing Signal

    This is tw o long, one short, one long whistle/horn blast. F11 – Cr o ssing Signal Pressing F11 twice (tog g ling on then off) will sound y our Crossing Signal. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 16 Once the engine has gone past that rev lev el, notch 6 in this example , the engine will then rev do wn normally , all the w ay to idle , as you decrease the speed. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 17 Pressing the F27 button (enable F27) will disable the Cab Chatter Pressing the F27 button ag a in (disable F27) will enable Cab Chatter . Cab Chatter is On b y default. F28 – F eature Reset This resets features to default. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 18: F-Function T Able

    Rev Up Rev Down One Shot Doppler Coupler Slack Coupler Close Single Horn Blast Engine Sounds Brake Sounds (On/Off) Cab Chatter (On/Off) Feature Reset *Refer to pages 23-25 for CV Data and Function ID M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 19 3. Hit Enter twice so the LCD displa ys “Adr” 4. Type in the new Shor t Address (1-127) that y ou want and hit Enter 5. The engine will gi ve you a tw o whistle/horn blast response M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 20 • Send a decimal 128 to reset only address v alues bac k to factory default • T his is the same as writing 55 to CV55 to engine address 55 Note: The engine address has to be something other than address M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 21: Factory Reset 55-55-55

    55 to CV55. Ag a in, MTH engine's will listen to the 55-55-55 reset command even though the engine's address isn't actually 55 (and it can't be for the 55-55-55 reset to w ork). M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 22: Advanced Dcc Operation

    CV115- MTH Function Assignments – See table of supported CV’s and manual section on how CV170 to re-arrange them for further information 1. CV52, bit0 must = 1. This will enable PWM Mode. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 23 Cab Chatter On/Off Low Byte 0-255 Alternate Speed Curve Step 27 Feature Reset High Byte 0-255 Alternate Speed Curve Step 28 Feature Reset Low Byte 0-255 Reverse Trim 0-255 User ID #1 0-255 User ID #2 M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 24 (Alt Lighting/Countr y ) Start Up/Shut Down Train W reck ELECTRIC SMOKE Trolley Man ual Mode Electric Boiler Star t -Up Trolley Lear n Mode Electric Pressure R elease Trolley A uto Mode M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 25 Write a v alue of 18 to CV25. Y our engine will no w use the speed curve #18 below If you want to create y our own speed table using CV's 67-94 then write a v a lue of 0 or 1 to Cv25 M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 26: Advanced Consisting

    F Functions the consist responds to. See diag ram below for example Engine 3 - Rear Engine 1 - Front Engine 2 - Middle Normal F orward Direction of Travel M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 27 CV change. Some DCC systems ma y already do this for you but the instr uctions assume y our system does not. If you are in doubt then g o ahead and follo w step 5 as it will do no har m M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 28 Functions F0, F9-F12 are used in a consist: 7 (128) 6 (64) 5 (32) 4 (16) 3 (8) 2 (4) 1 (2) 0 (1) (Decimal Value) Used Used (Engine (Engine Function Used Used Facing Rev) Facing Fwd) M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 29 You will note that there is no F0 in CV21. T his is because that function (FL) is controlled b y CV22. Please refer to the Adv a nced Consisting section for more information regarding CV22. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 30: Programming T Rack

    - tak e 128 (the new bit y o u want to set) + 5 (the existing bit that y ou do not want to alter) = 133. Y ou would then write a v a lue of 133 to CV19. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 31: Specifications

    DCC - Digital Command Control DCS - Digital Control System Default Addresses DCC short DCC extended 3333 US PATENTS US 6,457,681 Oct. 2, 2002 US 6,619,594 Sept. 16, 2003 US 6,655,640 Dec. 2, 2003 M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 32: Care And Maintenance

    New engines may take a little bit to get everything running, even after they are lubricated. Be patient and let it run for a bit. It should clear up shortly after lubricating and running. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 33 When I run Doppler I can hear the F21 button again to turn Doppler off. Your Doppler shift but then the engine engine sounds will now return to normal. sounds fade out and I can’t get them back. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 34 Try to get a hold of the engine on its last known long address Place the engine on the Programming Track output on your DCC system and write a value of 3 to CV1 M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 35 This is normal. You will need to press the Doppler shift but then the engine Doppler button again to turn Doppler off. sounds fade out and I can’t get Your engine sounds will now return to them back. normal. M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...
  • Page 36 Delete the engine from your DCS remote, address I believe it to be set at and attempt to re-add it. On the DCS Remote, hit Menu > System > Engine Setup > Recover Engine M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 37: Ho W To Order P Arts

    Replacement parts are a vailable directly from the M.T.H. Parts Department Order online: www .mthtrains .com E-mail: par ts@mth-railking .com Fax: 410-423-0009 Phone: 410-381-2580 Mail: 7020 Columbia Gatew ay Drive Columbia MD 21046-1532 M.T.H. HO GP38-2 Diesel Engine w/Proto-Sound 3.0...

  • Page 38: Service & Warranty Information

    This w arranty is for the original purc haser and is non-transferable . See our w ebsite www .mthtrains.com to identify an M.T .H. Authorized R etailer near y o u. M.T.H. products may be registered online in adv ance of warranty w ork at www .mthtrains.com/w arranty.

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