Alternator Testing; Alternator Detail - Stairmaster 8G Gauntlet Service Manual

Alternator Testing

All Stepmills
This document details the procedure for troubleshooting and testing a suspected bad alternator. It
applies to any unit that uses the
SM20205 alternator was used on the 7000PT and SM916 units and can be replaced by the new alter-
nator, however light users will have difficulty making the steps move on those units.
To verify the type of alternator on an older machine, check the manufacturer's label on it.
Model: 8AL2111F
SM20205 Alternator - 7000PT & SM916
Tools Required
• Jumper wire
• ½" socket
• ¼" socket
• Multimeter
Alternator
SM22900 or SM20205 (not available from Core) alternator. The older
Main Cable Assembly to Relay Board

Alternator Detail

Model: 8AL2117F
SM22900 Alternator - (all current models)
W-6 : Black
W-5 : White
W-4 : Blue
W-3 : Brown
Doc. #637-4509
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