Product Specification
Consumer Sales (425) 486-9292 September 8, 2003 www.precor.com
9.31 Treadmill
Designed for basic workouts at home, the M9.31 features a continuous-duty 2.75 hp motor, a password
protection feature, and several workout programs.
Features
Deck and
Belt
• Ground Effects Impact Control System helps decrease impact on joints and reduces lateral motion.
• Rear deck hinges and front cushioning create a laterally stable platform that reduces shock to the runner
and provides a firm surface for push off.
• Integrated Footplant Technology makes each step feel more natural, balanced and in-control.
• The deck is phenolic laminate bonded to 1” medium density fiberboard. Deck can be flipped to double
life.
• Dry Lube belt lubrication system. Requires no maintenance.
• Steel drive crowned aluminum take up roller. Belt trackers keep belt centered to reduce maintenance.
• The belt is a multi-ply polyester satin weave with a PVC surface.
Drive
System
• 2.75hp continuous-duty DC motor that runs cool and quiet, providing substantial power and torque at all
speeds.
• The integrated fan on the flywheel aids cooling at all speeds.
• Magnetic Hall-effect speed sensor and precision-machined flywheel guarantee exact sensor readings and
are unaffected by dust and dirt build-up.
• Low voltage drive system (PWM) draws less current and minimizes problem with circuit breakers.
Display
• Easy-to-use membrane display with large LEDs and accompanying graphics allow you to easily monitor
and alter your workout.
Frame and
Lift
• Powder-coating process adds cosmetic topcoat and durability to frame.
• Lift unit generates up to 1000 lbs. of thrust and operates in compression as intended by design.
• Structural frame components are assembled using Huck fasteners, not standard bolts.
• Threads in lift actuator screw are covered at low incline to prevent dust collection, extending the life of the
lift mechanism.
Diagnostics
• Ability to enable/disable password.
• Ability to set user’s weight and age.
Heart Rate
• Heart rate telemetry is optional.
.
Other
Features
• QuickStart for user convenience lets user begin workout with the push of a single button.
• Accessory holder for water bottle, reading material and portable music.
• Safety clip attached to emergency stop switch to immediately turn off power bringing treadmill to a gentle
stop.
• Handrails are standard.
Warranty
• Lifetime frame and welds
• 10 years parts and wear items
• 1 year labor
Programs
• Heart Rate* (optional), Interval, Manual, Random and Weight Loss
Readouts
• Calories, Distance, Heart Rate*, Incline, Profile, Scan, SmartRate*, Speed and Time
Measurements
• Length
79 in (201 cm)
• Running Surface
57” x 20” (145 cm x 51 cm)
• Width
34 in (84 cm)
• Incline
0% to 15% in .5% increments
• Height
55 in (140 cm)
• Speed
0.5-11 mph (1-18 kph)
• Weight
280 lbs (126 kg)
• Maximum workout time
No set limit
• Shipping Weight
345 lbs (156 kg)
• Roller Diameter
2.6 in (6.6 cm)
• Maximum Pause Time
10 minutes
• Deck height above floor
9 in (22.9cm)
• Regulatory Approvals
FCC, ETL, CE
Power For equipment: For outlet:
US & Canada 120 VAC, 50/60 Hz, 14a, 1175W Dedicated 120v/15a circuit (minimum) with 5-15R NEMA receptacle.
*Telemetry and chest strap required.
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Power and Motor
Weight and Dimensions
