Also have a 2333 horizontal dual motor SF from Lionel; trying to make it run better; ran very sluggish, slow and pulled quite a bit of amps. Removed both motors, cleaned the commutator, brushes and lubed the motor shaft; also opened up the trucks and cleaned all the waxen grease from both the worm drive and spur gears; lubed the end bearings and all axles and pick up rollers. Runs much better but not as fast at 16 volts as other H drives I have tuned up. Starts moving at 9-10 volts and at 12 - 14 volts moves fine but pulling about 4.5 -4.8 amps on my Z4000. Checked field stakes, all tight. Also cleaned the e unit drum; only thing left is to replace all the wiring. Just does not move as fast as previous H drive tune ups; they were never super fast but I notice the difference at top end; at 16 volts the front motor does weep some very weak smoke! Bad indicator! Any ideas or input is appreciated; thanks much; Falcon70
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