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Life Fitness Model 4500HR Treadmill
How To ... REMOVE AND REPLACE THE DISPLAY WIRE HARNESS
Tools Required: Phillips Screwdriver, socket and ratchet set, hex key wrench set
WARNING: FAILURE TO OBSERVE SAFE PROCEDURES WHEN SERVICING THIS UNIT COULD
RESULT IN INJURY FROM ELECTRICAL SHOCK
Step 1
Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet.
Step 2
Remove the VENT
COVER. (See "How
To...").
Step 3
Remove the MOTOR
COVER. (See "How
To...").
Step 4
Remove the TRAY/
HEART RATE KIT. (See
"How To...").
Step 5
Remove the Display
Console. (See "How
To...").
Step 6
Ground yourself to the unit by using a DISPOSABLE GROUNDING STRAP.
Step 7
Tuck the 12-PIN CONNECTOR, which was disconnected from the DISPLAY CONSOLE, into the top of the
MONOCOLUMN. Withdraw the DISPLAY WIRE HARNESS from the MONOCOLUMN through the large hole at
the base of the MONOCOLUMN.
Step 8
Unplug the 12-PIN CONNECTOR from the HEATSINK CONTROLLER BOARD ASSEMBLY.
Step 9
Feed the new DISPLAY WIRE HARNESS through the MONOCOLUMN from the large hole at the base of the
MONOCOLUMN until it exits toward the user side of the HANDLEBAR ASSEMBLY which crosses the top of the
MONOCOLUMN..
NOTE: THE 12-PIN CONNECTOR OF THE DISPLAY WIRE HARNESS SHOULD EXIT THE TOP OF THE
MONOCOLUMN ON THE USER SIDE OF THE HANDLEBAR CONNECTING BRACKET TO AVOID ANY
WIRES BEING PINCHED OR DAMAGED BY THE DISPLAY CONSOLE UPON ASSEMBLY.
Step 10
Reverse Steps 1 through 8 to return all parts to their proper positions. Replace any WIRE TIES which may have
been cut to insure the WIRE HARNESS is secure and will not be damaged by moving parts.
10
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