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DAPOL British Rail Class 121 Owner's Manual

Diesel railcars o gauge model
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Introduction
British Rail Class 121 & 122
Diesel railcars
O Gauge Model
Owner's manual

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Summary of Contents for DAPOL British Rail Class 121

  • Page 1 Introduction British Rail Class 121 & 122 Diesel railcars O Gauge Model Owner’s manual...

  • Page 3: Table Of Contents

    Fitting accessory items Installing a DCC decoder Speaker installation Fitting an optional speaker DC lighting control DCC Factory Fitted models Dapol Imperium 3 decoder Third party fitted decoders DCC Sound Factory Fitted models 13 Automatic sounds Spare parts Warranty Contact information...

  • Page 4: A History Of The Br Railcar

    Thank you for purchasing this Dapol product. A history of the BR railcar Nicknamed ‘Bubblecars’ the class 122 and 121 were built by two companies in consecutive batches. Class 122: 20 were ordered by the British Transport Commission (BTC) in 1956 and built by the GRC&W Co.

  • Page 5: Specification

    Specification Specification: • Diecast metal chassis • Diecast bogie frame and wheels • Twin low-profile motors • radius (1028mm) ability • All wheel pickup • Brass bearings • DCC Ready (21-pin) • Optional speaker in luggage area (standard with factory-fitted sound) •...

  • Page 6: Quick Start

    BR classes 121 & 122 Quick start: We know you would like to have your model running as quickly as possible; please spare a moment to read this section first. • An accessory pack containing optional hoses. Models factory fitted with optional DCC or •...

  • Page 7: Operation

    A Non-DCC fitted model will not operate on a DCC controlled track. DCC address is factory set to address #3. The decoder fitted is either a Dapol Imperium 3 (DCC) or Zimo MX644C (DCC Sound). A DCC fitted model will ‘autodetect’ and...

  • Page 8: Maintenance

    BR classes 121 & 122 Maintenance: Warning: Mineral oil types or thicker oils may damage your locomotive paint finish or components and invalidate your warranty. The model is designed using components which require little maintenance. We suggest that the drive train and gear box are lubricated after every 100 hours running using a light synthetic lubricating oil such as Dapoil or Locolube™.

  • Page 9: Fitting Accessory Items

    BR classes 121 & 122 Fitting of accessory items: Couplings: The model is fitted with two instanter style couplings Buffer beam pipes: are fitted in the following locations: A small drop of flexible [rubber] adhesive can be used to permanently attach these parts Page | 6 O 121 &...

  • Page 10: Installing A Dcc Decoder

    BR classes 121 & 122 Installing a DCC decoder : (DCC Ready models) Dapol recommend an 8 function Dapol Imperium decoder. The decoder chosen must offer a minimum of 4 functions and be of the ‘logic level’ output type. An 8-function decoder will produce best results.

  • Page 11: Removing The Body

    BR classes 121 & 122 Removing the body : The body is held in place with four (Phillips 00) screws located on the underside of the chassis, a little inboard of the front wheels. After removal of these screws the body will lift off the chassis.
  • Page 12 BR classes 121 & 122 Fitting an optional speaker : If required, an optional 8-ohm bass enhanced speaker can be fitted into the luggage area (DCC Supplies part No: 100790). The 2nd speaker must be correctly matched with the speakers fitted in the chassis to produce a total impedance suitable for your decoder’s amplifier.
  • Page 13 BR classes 121 & 122 The model speakers are wired as shown below: Speaker A & B – Chassis mounted speakers Speaker C – Optional luggage area speaker. Recommended speaker permutations when using Zimo or ESU decoders: 1 x 8 or 4 ohm (speaker C) ONLY. •...

  • Page 14: Lighting Control

    BR classes 121 & 122 DC lighting control : Four switches are located on the underside of the front (non-exhaust) end, additional switches are located on the DC blanking plug. Each switch controls a particular lighting function as shown below. SW1 –...

  • Page 15: Dcc Factory Fitted Models

    CV 53 = 16 CV 54 = 0 If a full decoder reset is performed (CV8 = 4) re-set CVs to the values shown in the table below. Using a Dapol Imperium 3 decoder: The Imperium 3 decoder has 8 functions CV Value and will operate all features of this model.

  • Page 16: Third Party Fitted Decoders

    Please refer to your decoder and control system manuals for further guidance. Dapol recommend using an 8-function decoder; use of a decoder with fewer functions will prevent higher numbered features from operating. Function Function...
  • Page 17 BR classes 121 & 122 DCC manual functions White marker When ON, the white marker lights lights will be illuminated at the leading (directional) and of the Railcar. Whilst ON and with the speed set to 0 the engines start-up is heard. On Start-up and pressing F1 again (F1 OFF) and with shutdown...
  • Page 18 BR classes 121 & 122 When F7 is pressed, a brake application sound will be heard. Pressing F7 again (F7 OFF) ‘releases’ Brake the brake. If 'RealDrive' is activated, application and the working brake will be applied release (F7 ON) and released (F7 OFF). Note that if the working brake is left ON, the loco will not accelerate!! On pressing F8, the sound of the...

  • Page 19: Automatic Sounds

    BR classes 121 & 122 On pressing F13, the sound of the internal sliding door to the cab Cab sliding door being opened is heard. Pressing F3 open/close* again (F13 OFF) simulates shutting the door. AWS warning Pressing F14, sounds the AWS siren warning buzzer.

  • Page 20: Spare Parts

    BR classes 121 & 122 Spare parts: When ordering parts, please ensure you quote Dapol’s part number and the model’s running number/livery, as parts and colours will vary between versions. Additional parts to those illustrated may be available, please check dapolspares.dccsupplies.com...
  • Page 21 BR classes 121 & 122: Spare parts Page | 18 O 121 & 122 1.0...

  • Page 22: Warranty

    Dapol. For these reasons, we offer a 12-month manufacturer’s repair warranty on this product in addition to your statutory rights.
  • Page 23 Warranty VERY IMPORTANT: Please ensure that your dealer has supplied a proper printed receipt with (Cont.) your purchase. Without this, our service agents are unable to offer warranty service. Repairs will be charged at the prevailing rate. Your statutory rights with the place of purchase are unaffected.
  • Page 24 Requests for outright refund or replacement should be directed to the place of purchase. 3. In the event the model cannot be repaired, at Dapol’s sole option, you may be offered: a new replacement model (subject to availability), a refund voucher (for exchange at the place of purchase) or the return of the model in an unrepaired condition.
  • Page 25 9. Dapol and its agents shall be the sole arbiters as to the warranty status of the model and their decision is final. 10. Whilst every effort will be made to protect such, Dapol and its agents shall not be liable for damage or alteration to any ‘super detailing’...

  • Page 26: Contact Information

    Contacts Contact information: Dapol Customer service Telephone: 01691 774455 Email: sales@dapol.co.uk Website: www.dapol.co.uk Service and Spares Centre: DCC Supplies Ltd. Telephone: 01905 621999 Email: dapol@dccsupplies.com Website: dapolspares.dccsupplies.com Page | 23 O 121 & 122 V1.0...
  • Page 27 Notes Page | 24 O 121 & 122 V1.0...
  • Page 28 Notes Dapol Limited. Unit 7 Gledrid Industrial Park, Chirk, Wrexham LL14 5DG Telephone: 01691 774455 Website: www.dapol.co.uk Email: sales@dapol.co.uk Spares: dapolspares.dccsupplies.com Page | 25 O 121 & 122 V1.0...

This manual is also suitable for:

British rail class 122

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