Pro-Form TRAINER 420 User Manual

Model No. 831.24733.0
Serial No.
CAUTION
Read all precautions and instruc-
tions in this manual before using
this equipment. Save this manual
for future reference.
• Assembly
• Operation
• Maintenance
• Part List and Drawing
Serial Number
Decal
Sears, Roebuck and Co., Hoffman Estates, IL 60179
Write the serial number in the space
above for future reference.
TREADMILL EXERCISER
User’s Manual

Pro-Form TRAINER 420 Specifications

General

Incline	0-10%
Speed	0-10 MPH
Foldable/Folding	Yes
Display	LCD
Running Area/Surface	16" x 50"
Programs	16 Workout Apps

Summary

Warning Decal Placement

Caution: Keep Hands and Feet Away

Safety warning to keep limbs clear of moving parts during operation.

General Warning: Preventing Serious Injury

Lists critical safety precautions for preventing serious injury during treadmill use.

Important Precautions

Health, Environment, and User Safety

Covers physician consultation, placement, environment, user limits, and child/pet safety.

Electrical Safety and Power Connection

Details surge suppressor use, grounding, cord placement, and avoiding damage.

Operational Safety and Device Limitations

Includes starting procedures, emergency stop, and pulse sensor limitations.

Treadmill Operation and Maintenance Precautions

Covers speed adjustments, unattended use, folding, moving, and general maintenance.

Specific Usage and Service Guidelines

Addresses incline adjustments, inspection, in-home use, and authorized servicing.

Critical Danger: Power Disconnection

Emphasizes unplugging the treadmill immediately after use and before maintenance.

Before You Begin

Welcome and Product Overview

Thanks users and introduces the PROFORM TRAINER 420 treadmill features.

Important Manual Review and Contact Information

Urges reading the manual and provides contact information for questions.

Treadmill Parts Identification

Illustrates and labels the various parts of the treadmill for familiarization.

Assembly

General Assembly Instructions and Hardware Identification

Provides general assembly guidance, tool requirements, and hardware identification.

Step 1: Attach Base Pads to Base and Extension Legs

Details attaching base pads to the treadmill base and extension legs using specific screws.

Step 2: Attach Left and Right Uprights to Base

Explains how to attach the uprights to the base using bolts and washers.

Step 3: Attach Extension Legs to Base

Describes attaching extension legs to the treadmill base with bolts, washers, and nuts.

Step 4: Route Wire Harness through Right Upright

Details routing the wire harness and inserting a grommet into the right upright.

Step 5: Attach Lift Frame to Right Upright

Guides attaching the lift frame to the right upright with bolts, washers, and grease.

Step 6: Attach Lift Frame to Left Upright

Explains attaching the lift frame to the left upright using bolts, washers, and grease.

Step 7: Attach Handrails to Console Assembly

Details attaching the right and left handrails to the console assembly with screws.

Step 8: Connect Wire Harness to Console Wire

Instructs on connecting the wire harness to the console wire, warning of potential damage.

Step 9: Attach Console Assembly to Uprights

Guides attaching the console assembly to the uprights using bolts and washers.

Step 10: Tighten Upright Bolts and Lower Uprights

Instructs on tightening upright bolts and carefully lowering the uprights.

Step 11: Attach Ground Wire to Base

Details attaching the ground wire to the base using a specific screw.

Step 12: Position and Tighten Uprights and Frame

Guides positioning and tightening the uprights and frame using bolts.

Step 13: Attach Latch Housing to Left Upright

Explains attaching the latch housing to the left upright with screws and the pin assembly.

Step 14: Final Tightening and Floor Protection

Emphasizes final tightening of all parts and using a mat for floor protection.

Operation and Adjustment

The Pre-Lubricated Walking Belt

Provides information about the walking belt's lubricant and care.

How to Plug in the Power Cord (Electrical Safety)

Details the correct procedure for plugging in the power cord, including safety warnings.

Console Diagram and Key Components

Illustrates the console layout and identifies key buttons and indicators.

Features of the Console

Describes the console's functions like manual mode, workouts, and stereo system.

Important Console and Belt Care Notes

Provides crucial notes on console plastic removal and belt alignment.

How to Turn On the Power

Powering Up the Treadmill

Details the steps to turn on the treadmill, including circuit breaker and key insertion.

Demo Mode and Emergency Key Function

Explains the demo mode and the function of the safety key.

How to Use the Manual Mode

Inserting Key and Selecting Manual Mode

Guides users on inserting the key and selecting the manual mode.

Starting and Adjusting Speed

Explains how to start the belt and adjust speed using buttons.

Adjusting Incline and Tracking Progress

Covers incline adjustment and monitoring progress via the track display.

Understanding Display Information

Explains the various displays for time, distance, speed, and calories.

Measuring Heart Rate

Details how to use the handgrip pulse sensor to measure heart rate.

Using the Fan and Finishing Exercise

Covers fan operation and steps to take after finishing exercise.

How to Use a Speed Workout

Selecting and Starting a Speed Workout

Guides selecting a workout, starting the belt, and the automatic adjustments.

Monitoring Workout Progress and Adjustments

Explains how to monitor workout progress and manually override settings.

Workout Completion and Subsequent Steps

Describes what happens at the end of a workout and subsequent actions.

How to Use the Stereo Sound System

Connecting and Playing Audio Devices

Details how to connect and play music or audio books through the console speakers.

The Information Mode

Accessing and Navigating Information Mode

Explains how to enter the information mode and view usage data.

Selecting Units and Managing Demo Mode

Covers changing units of measurement and controlling the demo mode.

How to Fold and Move the Treadmill

Folding the Treadmill for Storage

Provides detailed steps and safety cautions for folding the treadmill.

Moving the Treadmill Safely

Explains how to safely move the folded treadmill using its wheels.

Lowering the Treadmill for Use

Guides users on safely unfolding the treadmill back into its operational position.

Troubleshooting

Power Issues: Not Turning On or Turning Off

Addresses problems with the treadmill not powering on or shutting off unexpectedly.

Console Display Behavior

Troubleshoots issues where console displays remain lit or do not function properly.

Walking Belt Slows Down

Provides solutions for the walking belt slowing down during use.

Walking Belt Off-Center or Slipping

Offers steps to correct walking belt alignment and slippage issues.

Exercise Guidelines

Exercise Intensity and Training Zones

Explains how to use heart rate to determine proper exercise intensity levels.

Workout Structure: Warm-up, Training, Cool-down

Outlines the recommended structure for effective workout sessions.

Exercise Frequency for Conditioning

Provides guidance on how often to exercise for optimal fitness maintenance.

Part List

Hardware and Component Identification

Lists all parts with key numbers, quantities, and descriptions for assembly and reference.

Additional Parts and Wire Specifications

Lists unillustrated parts, wire types, and contact information for missing parts.

Exploded Drawing A

Treadmill Frame and Belt Components

Provides a detailed exploded view of the treadmill frame and related components.

Exploded Drawing B

Motor, Hood, and Base Components

Displays an exploded view of the motor, hood, base, and associated parts.

Exploded Drawing C

Uprights, Handrails, and Frame Assembly Components

Shows an exploded view of the uprights, handrails, and main frame assembly parts.

Exploded Drawing D

Console and Fan Assembly Components

Illustrates an exploded view of the console, fan, and related mounting hardware.

90 Day Full Warranty

Warranty Terms and Conditions

Outlines the warranty period, coverage, and exclusions for the treadmill.