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Keiser 300 User Manual

Keiser 300
46 pages
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Keiser 300 / Air 300
Parts and
Maintenance
Manual
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Keiser 300 Specifications

General IconGeneral
Resistance SystemMagnetic
Adjustable HandlebarsYes
DisplayLCD
TypeIndoor Exercise Bike
Adjustable SeatYes
Heart Rate MonitorYes
Drive SystemBelt
Metrics DisplayedTime, RPM, Watts, Heart Rate, Calories, Distance

Summary

Safety and Notices

Safety Cautions

Explains the use of the word CAUTION for bodily injury warnings.

Machine Damage Notice

Explains the use of the word NOTICE for machine damage warnings.

Troubleshooting Common Issues

Diagnosing No Resistance or Rough Action

Guides through fixing lack of resistance or uneven exercise feel.

Air Hoses and Fittings

Air Leak Detection and Repair

Explains how to find and fix air leaks in hoses and fittings.

Filter Maintenance and Servicing

Filter Function and Daily Draining

Explains filter role and daily moisture removal.

Filter Bowl Cracking Hazard and Servicing

Warns about cracked bowls and details cleaning procedures.

Valve Component Servicing

Valve Housing, Spool, and O-ring Servicing

Details cleaning and lubricating internal valve parts.

Valve Cartridge Servicing

Valve Cartridge Removal and Reassembly

Steps for servicing the brass valve cartridge.

Cylinder Types and Removal

Cylinder Removal and Bearing Check

Procedures for removing cylinders and checking bearings.

Cylinder Replacement and Care

Cylinder Reinstallation and Leak Testing

Steps to remount cylinder, reattach hose, and check leaks.

Cylinder Rod and Bore Surface Care

Emphasizes avoiding damage to cylinder rods and bores.

Cylinder Servicing and Adjustment

Cylinder Internal Servicing and Lubrication

Details cleaning internal parts and applying grease.

Fasteners: Nuts and Bolts

Warning: Over-tightening Frame Bolts

Caution against damaging tubes by over-tightening bolts.

Spring Pin Removal Procedure

Steps to remove spring pins using a drift punch.

Spring Pin Replacement and Arm Locks

Spring Pin Installation Guidance

Instructions for correctly installing new spring pins.

Arm Lock Shaft Servicing

Removing the Exercise Arm Lock Shaft

Steps to remove the shaft covering and pin.

Replacing the Exercise Arm Lock Shaft

Steps to reinsert shaft, pin, sleeve, and cap.

Bearings: Lubrication and Removal

T-88 Bearing Assembly Removal

Detailed steps for removing the T-88 bearing assembly.

T-88 Bearing Replacement and Adjustment

T-88 Bearing Assembly Installation

Steps for correctly installing the T-88 bearing assembly.

Adjusting T-88 Bearings for Side-Play

How to adjust bearings to eliminate arm side-play.

Hand Grip Replacement

Thumb Button Grip Installation

Guides on applying alcohol and fitting new grips.

Upholstery Care and Decal Replacement

Decal Removal and Application Process

Steps for removing old decals and applying new ones.

Decal Handling Safety Precautions

Warnings about sharp edges and careful use of solvents.

Cylinder Adjustment: Seated Chest Press

Seated Chest Press Arm Lock Adjustment

Adjusting cylinders and stops for smooth arm lock engagement.

Cylinder Adjustment: Squat

Squat Machine Extra Weights Caution

Safety warning about lifting heavy weights.

Cylinder Adjustment: Military Press

Military Press Cylinder Rod Adjustment

Adjusting cylinder rods for clearance and arm lock.

Military Press Arm Lock Smoothness

Ensuring arm lock works smoothly across resistances.

Cylinder Adjustment: Tricep

Tricep Cylinder Rod and Arm Lock Adjust

Adjusting cylinder rods for arm lock smoothness.

Cylinder Adjustment: Upper Back

Upper Back Arm Lock Adjustment

Adjusting cylinder for smooth arm lock function.

Cylinder Adjustment: Lat Pull Down

Lat Pull Down Cable Inspection

Weekly inspection of the cable and pulleys.

Cylinder Adjustment: Leg Press

Cylinder Adjustment: Lower Back

Lower Back Bottomed-Out Adjustment

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