Precor 9.35i User Manual

9.31, 9.33, 9.35 Treadmill
Page 1
9.31, 9.33, 9.35 Treadmill
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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© 2003 Precor Incorporated
Unauthorized Reproduction and Distribution Prohibited By Law

Precor 9.35i Specifications

General

Brand	Precor
Model	9.35i
Category	Treadmill
Language	English

Summary

Section One - Things You Should Know

Section Two, Software Features

Covers diagnostic and setup features available on the treadmill.

Section Three, Checking Treadmill Operation

Provides a quick method for checking treadmill operation post-maintenance.

Section Four, Inspection and Adjustment Procedures

Details procedures for inspecting and adjusting treadmill components.

Section Five, Troubleshooting Procedures

Guides users in isolating problems to specific treadmill components.

Section Six, Replacement Procedures

Step-by-step instructions for removing and replacing treadmill parts.

Section Seven, Technical Diagrams and Parts Lists

Includes wiring diagrams and parts lists for the treadmill models.

Technical Specifications

Physical Specifications

Details physical dimensions, motor type, speed range, incline, and power requirements.

Procedure 2.1 - Accessing the Hardware Validation Program

Procedure 2.2 - Accessing the Information Display Program

Procedure 2.3 - Accessing the User Parameter Program

Procedure 2.4 - Documenting Software Problems

Section Three - Checking Treadmill Operation

Procedure 4.1 - Calibrating the Lift Motor

Procedure 4.2 - Adjusting Drive Belt Tension

Procedure 5.1 - Troubleshooting the Keypad and Upper PCA

Procedure 5.2 - Troubleshooting the Lift System

Procedure 5.3 - Troubleshooting the Speed Sensor

Procedure 5.4 - Troubleshooting the External A.C. Power Source

Procedure 6.1 - Replacing the Lift Motor

Procedure 6.2 - Replacing the Lift Platform

Procedure 6.3 - Replacing the Lower PCA

Procedure 6.4 - Replacing the Speed Sensor

Procedure 6.5 - Replacing Drive Motor

Procedure 6.6- Replacing the Circuit Breaker

Procedure 6.7 - Replacing the Line Filter

Procedure 6.8 - Replacing the Line Cord

Procedure 6.9 - Replacing the Drive Motor Cooling Fan (9.35 Only)

Procedure 6.10 - Replacing the Drive Motor Brushes

Procedure 6.11 - Removing and Replacing the Hood

Procedure 6.12 - Replacing the PROM

Wiring Diagram 7.1 - 9.31, 9.33, 9.35

Block Diagram 7.2 - 9.31, 9.33, 9.35