.................16 BEFORE ASSEMBLING Always follow the steps in this manual as you assemble your M3X. Do not skip, substitute or modify any steps or procedures of this assembly, as doing so could result in personal injury and will void your warranty. We have put a number of precautions in this manual.
M3X ASSEMBLY ASSEMBLING MAIN FRAME TO BASE FRAME Step 1: Carefully lower the main frame onto the base frame over the base screws, with the front of the bike facing the transport wheels on the base frame. (Fig. 1) Step 2: Insert one washer on each of the four base frame studs. (Fig. 1) Step 3: Install the acorn nuts on the studs and hand tighten.
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NOTE: Use the foam envelope to handle the flywheel during assembly. Step 3: Carefully slide the flywheel between the two magnets (Fig 4. & Fig. 5) and onto the hub at the same time. Make sure that the flywheel is flush against the hub and align the screw holes. Step 4: Holding the flywheel in position with one hand, install the hubcap and align the screw holes.
MOUNTING X-BAR Step 1: Unpack the X-Bar from the cardboard box and carefully lay it out on a clean soft surface. Step 2: Loose front cover screws with a 4mm Allen wrench and remove front cover carefully (Fig. 8). Keep the cover and screws aside for reassembling. Step 3: Loose lower cover screws with a 2.5mm or 4mm Allen wrench and remove lower cover carefully (Fig.
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Step 3: Let the computer hang on the X-Bar by the sweat seal (Fig. 17). Be careful not to scratch the computer. MOUNTING M3X HANDLEBAR ASSEMBLY Step 1: Obtain the handlebar assembly, 10mm Socket, Ratchet, and the 4 dome hex head screws.
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MOUNTING COMPUTER Step 1: Obtain the 3mm Allen wrench and remove the computer mounting screw from the handlebar casting (Fig. 20). Keep the mounting screw. Step 2: Slide the computer up into the two locking ears. Fit the computer wire into the slot on the handlebar casting (Fig.
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3/4" or 19mm ASSEMBLING X-BAR COVERS Step 1: Obtain the lower cover and screws removed from the previous steps. Set it to the bottom of the X-Bar carefully (Fig. 29). The clips at the inside bottom of this cover should set over the X-Bar aluminum casting as shown (Fig.
FLYWHEEL GUARD INSTALLATION Step 1: Make sure to have all parts and tools present prior to assembly (Fig. 34). Step 2: Assemble the brackets (B) to the tube (C) With the bolt and nut (A) finger tight (Fig. 35). PARTS INVENTORY Bolt and Nut Brackets Tube...
WARNING: Perform the operations below before riding to make sure the bike is fully operational. Failing to test a bike prior to normal use will void your warranty and could result in serious injury. CHECKING FOR PROPER OPERATION [ ] All Parts Correctly Installed [ ] Acorn Nuts Torqued At 45 Nm (35 ft-lbs) [ ] Pedals Loctited and Torqued To 45 Nm (35 ft-lbs) [ ] All Screws and Nuts Properly Torqued and Tightened...
IMPORTANT SAFETY INFORMATION AND INSTRUCTIONS • The Keiser M3X is NOT designed with a freewheel, but a fixed gear system. When the flywheel is in motion, the pedals will also be in motion. Never remove your feet from the pedals while in motion as serious user injury may occur.
• Ensure that all adjustment handles that could interfere with the user’s movement are not left projecting as to come in contact with the rider during operation. • Before dismounting, push the resistance lever to the most forward position to bring both the flywheel and pedals to a complete stop.
All M Series cardio equipment is calibrated with a tool at the factory and there is no need to calibrate, unless a component associated with the resistance mechanism or computer require service. For more information visit: www.keiser.com/service, or contact the Keiser service department at 1-800-888-7009 | 559-256-8000 | service@keiser.com.
T-Handle adjustments, worn pedal straps, etc. Clean with warm water and a soft cloth the parts of the M3X that are dirty or come in contact with sweat. Do not use household or industrial cleaners, because many of them are designed to clean, glass, tile, porcelain, and greasy or oily surfaces and can destroy the protective finish of the paint.
Keiser’s election, to the repayment of an amount equal to the purchase price of the parts in question. Keiser is not responsible for labor charges incurred in the replacement of defective parts.
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