Schwinn
®
Airdyne
®
AD2 (Model Year ’12)
004-4755.103012.B
Service Manual
Important Safety Instructions
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and
understand all Warnings on this machine.
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, outside U.S. +01-360-859-5180 | Printed in USA | © 2012
Nautilus, Inc., All rights reserved. ™ and ® indicate a trademark or registered trademark. Nautilus, Inc. (www.nautilus.com) trademarks include NAUTILUS®, BOWFLEX®, SCHWINN®
and UNIVERSAL® and respective logos. Other trademarks are the property of their respective owners.
Before servicing or using this equipment, obey the following warnings:
Read and understand the Service Manual before working on the machine. Failure to obey the instructions and safety
warnings could cause injury to the service technician or bystanders.
WA R N I N G
A T T E N T I O N
D A N G E R
IMMEDIATE ACTION REQUIRED
C A U T I O N
Disconnect all power and allow to sit for 5 minutes before you service this machine.
• Keep bystanders and children away from the product being serviced at all times.
• Make sure that the repair is done in an appropriate work space away from foot traffic and exposure to bystanders.
• Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do maintenance
steps involving these components. Do not try to do heavy or awkward steps on your own.
• Use only replacement parts and hardware that are supplied or approved by Nautilus. Failure to use Nautilus-approved replacement
parts can adversely affect the safety and functionality of the equipment creating a risk to users.
• Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition when doing
maintenance or replacing components. If necessary, request replacement warning stickers or placards from Nautilus customer
service.
• Do not try to change the design or functionality of the machine being serviced as this can adversely effect user safety.
• Do not put the machine back in service until all shrouds, instructions, warning labels and correct functionality have been verified
and tested for correct performance.
• This product contains magnets. Magnetic fields can interfere with the normal use of certain medical devices at a close range. Users
may come into proximity of the magnets in the assembly, maintenance, and/or use of the product. Given the obvious importance of
these devices, such as a pacemaker, it is important that you consult with your medical provider in connection with the use of this
equipment. Please consult the “Safety Warning Labels and Serial Number” section to determine the location of the magnets on this
product.
Important Safety Instructions
1
Safety Warning Labels and Serial Number
2
Reading the Serial Number
2
Specifications
2
Maintenance 3
Leveling/Moving the Machine
4
Troubleshooting 5
Mechanical Procedures
6
Fan Tension Adjustment
6
Belt Tension Adjustment
7
Electronics Procedures
8
Service Mode
8
Part Replacement
9
Pedals
9
Console
10
Handlebars and Footpegs
11
Arm Pivots
12
Shrouds and Vent Cover
13
Crank Arms
15
Crank Covers and Connector Arms
16
Fan Covers
19
Speed Sensor
21
Drive Belt
23
Belt Tensioner Assembly (Idler Assembly)
25
Fan Assembly and Fan Tensioner Assembly
27
Drive Pulley, Pulley Shaft and Crank Bearing
29
Maintenance Parts Exploded View
31
Table of Contents
