Introduction
Only Precor certified technicians are authorized to service Precor equipment. If you are not
a Precor certified servicer, you must not attempt to service any Precor product. Call your
dealer for service information
WARNING: This service documentation is for use by Precor certified servicer pro-
viders only. Personal injury can result from electrical shock and/or mechanical mov-
ing parts.
This service manual applies to the EFX400-14/18 Precision™ Series 400 Line ellipticals.
Model Configuration
EFX423
R20 console, Fixed Arms with variable CrossRamp, 15-40 degs, Stride
Length 21-24" (53-61 cm), Resistance 20 levels.
EFX425
R20 console, Moving Arms with fixed ramp, Stride Length 21-24" (53-61
cm) , Resistance 20 levels.
EFX427 R20 Convertible Arms (moving or fixed) with CrossRamp, 15-40 degs,
Stride Length 21-24" (53-61 cm), Resistance 20 levels
EFX443 R40 console, Fixed Arms with variable CrossRamp, 15-40 degs, Stride
Length 21-24" (53-61 cm) , Resistance 20 levels.
EFX447 R40 Convertible Arms (moving or fixed) with CrossRamp, 15-40 degs,
Stride Length 21-24" (53-61 cm), Resistance 20 levels
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 1
1 Introduction