Precor EFX5.31 - User Manual

5.31, 5.33, 5.35, 5.37 Elliptical Fitness Crosstrainer
Warning: This service manual is for use by Precor trained service providers only.
If you are not a Precor Trained Servicer, you must not attempt to service any Precor Product;
Call your dealer for service.
This document contains information required to perform the majority of troubleshooting, and
replacement procedures required to repair and maintain this product.
This document contains general product information, software diagnostic procedures (when
available), preventative maintenance procedures, inspection and adjustment procedures,
troubleshooting procedures, replacement procedures and electrical block and wiring diagrams.
To move directly to a procedure, click the appropriate procedure in the bookmark section to the
left of this page. You may “drag” the separator bar between this page and the bookmark section
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© 2007 Precor Incorporated
Unauthorized Reproduction and Distribution Prohibited By Law
20039-155

Precor EFX5.31 Specifications

General

Brand	Precor
Model	EFX5.31
Category	Elliptical Trainer
Language	English

Summary

Section One - Things You Should Know

Right, Left, Front, and Back Conventions

Defines directional terms from user perspective.

Warning and Caution Statements and General Safety Guidelines

Outlines important safety warnings and caution statements for safe operation.

Required Tools and Equipment

TOOLS

Lists necessary hand tools for servicing the EFX.

EQUIPMENT

Lists necessary diagnostic and testing equipment.

Supplies

Lists consumable items required for maintenance.

Spares

Lists spare parts that might be needed.

Procedure 2.1 - Accessing the Hardware Validation Program

Hardware Validation

Lists tests performed during hardware validation.

Procedure

Steps to access the hardware validation program.

Procedure 2.2 - Accessing the Diagnostics Test

Diagnostics Test

Lists available diagnostic tests.

Procedure

Steps to access and navigate diagnostic tests.

Procedure 2.3 - Accessing the Set User Parameters Display

Diagnostics Test

Lists user parameter settings.

Procedure

Steps to access and modify user parameters.

Procedure 2.4 - Documenting Software Problems

When a problem occurs, record the following information:

Details information to collect for software issues.

Section Three - Preventive Maintenance

Regular Preventive Maintenance (Owner)

Owner's daily and weekly maintenance tasks.

On-Site Preventive Maintenance (Service Technician)

Technician's on-site maintenance tasks.

Section Four - Checking EFX Operation

Procedure

Steps for checking EFX operation after maintenance.

Procedure 5.1 - Measuring the Resistance of an Eddy Current Magnet

Procedure

Steps to measure eddy current magnet resistance.

Procedure 5.2 - Inspecting and Adjusting Belt Alignment and Tension

Procedure

Steps for inspecting and adjusting belt alignment and tension.

Procedure 5.3 - Calibrating the Lift Motor

Procedure

Steps to calibrate the lift motor using diagnostics.

Procedure 5.4 - Drive Input Assembly Adjustments

Input Drive Assembly Axle Alignment

Steps for aligning the drive input assembly axle.

Procedure 6.1 - Troubleshooting the Lower and Upper Data Cable

Procedure

Steps to troubleshoot data cable issues.

Procedure 6.2 - Troubleshooting the Keypad and Upper PCA

Procedure

Steps to troubleshoot keypad or upper PCA problems.

Procedure 6.3 - Troubleshooting the Speed Sensor

Circuit Description

Explains the speed sensor circuit operation.

Procedure

Steps to troubleshoot speed sensor issues.

Procedure 6.4 - Troubleshooting the Eddy Current System

Procedure

Steps to troubleshoot eddy current system problems.

Procedure 6.5 - Upper Display does not Illuminate

Procedure

Steps to troubleshoot an unilluminated upper display.

Procedure 6.6 - Troubleshooting the Lift System

Procedure

Steps to troubleshoot lift system malfunctions.

Procedure 7.1 - Replacing or Removing a Rear Cover Section

Procedure

Steps to remove rear cover sections.

Procedure 7.2 - Replacing a Display Front Panel, Upper PCA, Heart Rate PCA or Metrics PCA

Removing the Display Housing Front Panel

Steps to remove the display housing front panel.

Removing and Replacing the Upper PCA

Steps to remove and replace the upper PCA.

Procedure 7.3 - Replacing a Lower PCA

Procedure

Steps to replace the lower PCA.

Procedure 7.4 - Replacing a Lower or Upper Data Cable

Replacing an Upper Data Cable

Steps to replace the upper data cable.

Replacing the Lower Data Cable

Steps to replace the lower data cable.

Procedure 7.5 - Replacing a Power Entry Module

Procedure

Steps to replace the power entry module.

Procedure 7.6 - Replacing a Crankarm Assembly

Procedure

Steps to replace a crankarm assembly.

Procedure 7.7 - Replacing a Pillow Block Bearing

Procedure

Steps to replace a pillow block bearing.

Procedure 7.8 - Replacing an Input Drive Assembly

Procedure

Steps to replace the input drive assembly.

Procedure 7.9 - Replacing an Input Pulley Belt

Procedure

Steps to replace the input pulley belt.

Procedure 7.10 - Replacing a Step-Up Pulley Belt

Procedure

Steps to replace the step-up pulley belt.

Procedure 7.11 - Replacing a Step-Up Pulley Assembly

Procedure

Steps to replace the step-up pulley assembly.

Procedure 7.12 - Replacing a Speed Sensor Assembly

Procedure

Steps to replace the speed sensor assembly.

Procedure 7.13 - Replacing an Eddy Current Magnet Assembly

Procedure

Steps to replace the eddy current magnet assembly.

Procedure 7.14 - Replacing a Stairarm Pivot Block

Procedure

Steps to replace a stairarm pivot block.

Procedure 7.15 - Replacing a Wheel Assembly

Procedure

Steps to replace a wheel assembly.

Procedure 7.16 - Replacing a Stairarm Pedal

Procedure

Steps to replace a stairarm pedal.

Procedure 7.17 - Replacing a Stairarm

Procedure

Steps to replace a stairarm.

Procedure 7.18 - Replacing a Ramp Assembly

Procedure

Steps to replace a ramp assembly.

Procedure 7.19 - Replacing a Moveable Handlebar

Procedure

Steps to replace a moveable handlebar.

Procedure 7.20 - Replacing a Idler Pulley

Procedure

Steps to replace an idler pulley.

Procedure 7.21 - Replacing a Front Cover Section

Procedure

Steps to replace front cover sections.

Procedure 7.22 - Replacing an Outrigger Tube

Procedure

Steps to replace an outrigger tube.

Procedure 7.23 - Replacing a Ramp Mounting Bracket

Procedure

Steps to replace a ramp mounting bracket.

Procedure 7.24 - Replacing a Power Entry Module Fuse

Procedure

Steps to replace a power entry module fuse.

Procedure 7.26 - Replacing a Lift Motor

Procedure

Steps to replace a lift motor.

Procedure 7.27 - Replacing the PROM

Procedure

Steps to replace the PROM chip.

Procedure 7.28 - Incline Yoke Replacement

Procedure

Steps to replace the incline yoke.

Wiring Diagram 8.1 - 5.31, 5.33, 5.35, 5.37 EFX

Block Diagram 8.2 - 5.31, 5.33, 5.35, 5.37