Precor 903 User Manual

Manual
Treadmill

R

USA

Owner’s Manual
Assembly and Operation

R

USA

Manual
Treadmill

CAUTION: Before beginning
any fitness program, you
should have a complete
physical examination by your
physician.

Thank you for purchasing one of the innovative additions to the famous Precor
treadmill line. The 903 Manual Treadmill provides you with a safe and effective
workout.

Before using the 903 Manual Treadmill, we urge you to familiarize yourself with
the entire Owner’s Manual. Whether you are a beginner or exercise on
treadmills regularly, understanding this manual will help you use the 903
treadmill safely and successfully.

Safety Information

Please review and observe the following safety guidelines:

• Read the Owner’s Manual and follow all instructions.

• Assemble and operate the 903 treadmill on a solid, level surface. Locate
the treadmill a few feet from walls or furniture. Keep the area behind the
treadmill clear.

• Do not allow children on or near the 903 treadmill. Do not leave children
unsupervised around the treadmill.

• Check the 903 treadmill before each use. Be sure all assembly bolts and
T-knobs are tightened and secure. Do not use the treadmill if it is not
completely assembled or is damaged in any way.

• Keep hands away from the flywheel and other moving parts.

• Wear proper exercise clothing and shoes for your workout—no loose
clothing. Do not wear shoes with heels or leather soles. Check the soles of
your shoes and remove any embedded stones. Tie long hair back.

• Use care and hold onto the handrail when getting on or off the 903
treadmill.

• Keep your body and head facing forward. Do not attempt to turn around
on the treadmill when the belt is moving.

• Do not rock the unit. Do not stand or climb on the handrail. Never place
liquids on any part of the treadmill.

• Do not overexert yourself or work to exhaustion.

• Stop your workout immediately if you feel any pain or abnormal
symptoms, and consult your physician.

Precor treadmills are designed for the enjoyment of the serious runner as well
as the dedicated walker. By following the above precautions and using good
common sense, you will have many safe and pleasurable hours of healthful
exercise with your Precor treadmill.

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Table of Contents

Unpacking the 903 Manual Treadmill......................................................... 4

Assembling the 903 Manual Treadmill ..................................................... 5

Installation Requirements.................................................................... 5

Assembly Instructions......................................................................... 5

Adjusting the Elevation Tube ............................................................... 7

Checking the Alignment of the Running Belt ....................................... 9

Using the Precor 903 Manual Treadmill. ................................................... 10

Beginning Your Workout ..................................................................... 10

Ending Your Workout .......................................................................... 10

Working Out on the 903 Treadmill....................................................... 10

Adjusting the Resistance Level ............................................................ 12

General Aerobic Training Information ....................................................... 13

How Hard Should I Exercise? .............................................................. 14

How Long Should I Exercise?.............................................................. 15

How Often Should I Exercise? ............................................................. 15

Maintaining the 903 Manual Treadmill ..................................................... 16

Cleaning the Treadmill ......................................................................... 16

Storing the Treadmill ........................................................................... 16

Aligning the Running Belt .................................................................... 17

Lubricating the Running Belt ............................................................... 19

Obtaining Service ................................................................................ 19

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Diagram 1

Unassembled 903 treadmill.

Handrail
Front lift bar

Lift bar bracket
Height adjustment pin

Running belt
T-knob

Flywheel

Unpacking the 903 Manual Treadmill

All Precor products are thoroughly tested and inspected before shipment.
Precor ships the 903 treadmill in three pieces:

• deck assembly

• front lift bar

• hardware kit (contents described below) and literature kit

Side rail mount

CAUTION: Place the hex key
in a safe and secure place. If
the running belt should move
off-center, you can use the
1/4" hex key to align it.

Diagram 1 shows the treadmill parts after the carton has been removed.
Callouts point to the different parts of the treadmill that are discussed in the
assembly instructions. Unpack the treadmill close to the location where you
plan to use it. Save the triangular end blocks for use in the assembly.

Open the hardware kit and make sure that you have the following items. As you
identify the contents of the kit, check them off below.

2 T-knobs—handrail installation
2 washers—handrail installation
1/4" hex key

If any items are missing, contact your authorized Precor dealer. For the dealer
nearest you, call 1-800-4-PRECOR.

Important: The packaging for this equipment was designed to protect it during
shipment. Please store the original packaging in a safe place in case you need
to ship the 903 treadmill in the future.

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Assembling the 903 Manual Treadmill

Follow the instructions in this section to assemble the 903 Manual Treadmill. It
is important to read through the entire procedure before assembling your
treadmill. If you do not assemble and use this treadmill according to the
following guidelines, you could void the Precor limited warranty.

Installation Requirements

Follow these installation requirements when installing the treadmill:

• Fill out and mail the limited warranty registration card. The serial
number is written on a label underneath the treadmill on the center
crossbeam. During the assembly process, write the serial number on the
limited warranty card and in this Owner’s Manual (see
If you want a 903 Service Manual, write to:

ATTN: 903 Service Manual
Precor Customer Service Department
P.O. Box 3004
Bothell, WA 98041-3004

• Set up the 903 treadmill on a solid, flat surface. Do not install the
treadmill on hardwood floors because the wheels might scratch or damage
the surface. If the treadmill is placed on a hardwood floor or a carpeted,
deep-pile surface, place a piece of heavy cardboard, plywood, or other
smooth, flat surface under the unit to protect the floor and treadmill. If the
floor is not flat and even, the running belt may not track properly.

Obtaining Service

).

• Locate the treadmill at least 4 feet from walls and furniture. Open space
to the front, sides, and back of the machine make for a safer mount and
dismount and easier belt adjustment.

Assembly Instructions

To assemble the 903 treadmill, review the callouts in Diagram 1 before you take
the following steps:

1. Install the Front Lift Bar assembly. (Diagram 2) With the treadmill base
flat on the floor near the location where you plan to use it, take the
following steps to install the front lift bar:

a. Place the triangular, cardboard end blocks, set aside when you

unpacked the treadmill, under the front of the unit to lift the flywheel
off of the floor.

b. Remove the four bolts and washers from the front lift bar and set

them aside.

c. Slide the front lift bar brackets into the side rail mounts.

Note: You may need to ask for assistance to help you lift the front of
the treadmill to align the front lift bar brackets into the side rail
mounts.

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Diagram 2

Installing the Front Lift Bar assembly.

Flywheel
Running belt
Washer

Bolt
Side rail mount
Front lift bar

Height adjustment pin
Locking portion of pin

Elevation tube

Diagram 3

Locking handrail into upright position.

Micro adjustment knob

Handrail

d. Re-insert the bolts and washers as shown in Diagram 2. Tighten the

bolts securely using the hex key provided.

Front lift bar
Side rail

T-knob

Frame plate
Height adjustment pin
Elevation tube

2. Position the Handrail. (Diagram 3) Remove the T-knobs and washers
from the hardware kit and take the following steps to secure the handrail:

a. Pull the handrail into an upright position. See Diagram 3.

Important: Perform the remaining steps on one side of the treadmill
at a time.

b. Hold onto the handrail while you insert a T-knob and washer through

the handrail mount (one on each side of the treadmill). Repeat this
step for the opposite side.

c. Align the T-knob with the hole in the side rail and tighten the T-knob

by turning it clockwise. Alternately tighten the T-knobs until both
washers are tight against the side rails.

3. Adjust the incline of the treadmill and set the running belt to the proper
resistance level, by following the steps in

Adjusting the Elevation Tube

.

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