Congratulations!
2
2
C
ongratulations! You now own one
of the most sophisticated model
trains ever built—the Lionel
TrainMaster Command-equipped GP-
20 diesel locomotive.
From the crisp detail and expert dec-
oration on the outside to the advanced
technology and brute power under its
hood, your Lionel GP-20 is ready for
duty on your model railroad.
Read this instruction manual thor-
oughly for important tips on operating
and maintaining your GP-20 locomo-
tive. When properly cared for, it will
last a lifetime. Experience the superior-
ity of today’s Lionel.
• Powerful Lionel Pullmor
®
motor
• Liontech Command
TM
LCRU2 reverse unit
for use with the Lionel TrainMaster
®
Command
TM
model railroad control system
• Magne-Traction
®
• Railsounds
TM
diesel sound system—
digital samples from a real GP-20
• Die-cast Electrocouplers
TM
or die-cast
magnetic uncouplers
• Directional headlights, strobe light, and
interior illumination
• CrewTalk
™
and TowerCom
™
(in command mode)
Table of contents
Transformer operations
Running your GP-20 with a Lionel transformer 3
Using your GP-20’s Electrocouplers
TM
4
Using your GP-20’s magnetic uncouplers 4
A note on Magne-Traction 5
Your GP-20’s Railsounds system—the basics 5
Experiencing the range of your GP-20’s Railsounds system 6
Notes on Railsounds 6
Installing the Lionel no. 610-5906-001 sound activation button 7
TrainMaster Command operations
The Command control environment 8
Running your GP-20 in the TrainMaster Command environment 9
CAB-1 commands for your GP-20 9
CAB-1 numeric keypad commands for your GP-20 10
Tuning your GP-20’s performance 11
Assigning your GP-20 a new ID# 12
Maintaining and servicing your GP-20 diesel locomotive
Lubricating your GP-20 13
Lubricating your GP-20’s Pullmormotor armature 14
Reprogramming LCRU circuit boards to restore features 14
Replacing your GP-20’s lamps 15
Lionel Service 16
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