Life Fitness Next Generation Treadmills User Manual

Service Kit Instructions

Cable

4-Pin

Figure 1

Actuator

Actuator

Tube-Nut

Black

Red

How To…Install Switch Bracket Assembly on Next Generation Treadmills

Installation Kit M051-00K58-A035 consists of a Switch Bracket Assembly and Hardware. Proceed with the
following steps to facilitate proper installation.

1. Verify that the treadmill is at 0% incline.

2. Turn the power off and unplug the unit from the

Home Switch
Connector

electrical outlet.

3. Remove the four SCREWS securing the MOTOR

COVER to the FRAME. Remove the MOTOR
COVER.

4. Remove the HOME SWITCH CABLE by

disconnecting the two leads from the HOME
SWITCH and unplug the 4-PIN HOME SWITCH
CONNECTOR from the LIFT/WAX PC BOARD.

5. Carefully tip the treadmill onto its right side.

NOTE: BE CAREFUL NOT TO DAMAGE THE
FRAME SURFACE OR PLASTIC ACCESS PANEL
WHEN TIPPING THE TREADMILL ONTO ITS
SIDE.

6. Unplug the 4-PIN ACTUATOR CONNECTOR

Home
Switch

Home
Switch

Lift / Wax
PC Board

from the WAX/LIFT BOARD, remove GROUND
SCREW, which attaches the ACTUATOR
GROUND WIRE (Green with yellow strip) to the
POWER BOX ENCLOSURE, and remove the ACTUATOR from the unit.

7. With a marker make two coincident lines; one on the ACTUATOR BASE and another on

THE ACTUATOR TUBE-NUT (see Figure 2).

8. Remove 9/16” nut and bolt from the LIFT ARM WELDMENT.

9. Remove the COTTER PIN and the CLEVIS PIN connecting the ACTUATOR pivot to the

frame.

IMPORTANT: BE CAREFUL NOT TO TURN
ACTUATOR TUBE-NUT WHILE REMOVING

THE ACTUATOR.

10. Place the DECLINE SWITCH BRACKET on

the ACTUATOR EXTENDED SCREWS as
shown and secure it with two #10-24 LOCK
NUTS.

11. Reinstall the ACTUATOR on the FRAME

Wire
Decline

Switch
Bracket

Marked
Lines

Extended
Screw

with CLEVIS PIN and COTTER PIN. Attach
the ACTUATOR TUBE-NUT to the LIFT
WELDMENT with 9/16” NUT and BOLT.

#10-24
Lock Nut

IMPORTANT: MAKE SURE TO ALIGN
MARKED LINES ON THE ACTUATOR BASE
AND ON THE ACTUATOR TUBE-NUT.

Figure 2

M051-00K58-A035

Wire

Base

Service Kit Instructions

How To…Install Switch Bracket Assembly on Next Generation Treadmills

12. Plug the 4-PIN DECLINE CABLE CONNECTOR to the LIFT/WAX PC BOARD.

13. Plug the 4-PIN ACTUATOR CABLE to the LIFT/WAX PC BOARD and ACTUATOR

GROUND WIRE to the POWER BOX ENCLOSURE with a green GROUND SCREW.

14. Attach the two short leads of the DECLINE CABLE to the HOME SWITCH LUGS (black wire

to the side lug, “COM”, and red wire to the top lug, “NO”)(as shown in Figure 2).

15. Route the DECLINE CABLE along the ACTUATOR SUPPORT CHANNEL of the FRAME.

Secure all cables with Tiewrap cables.

M051-00K58-A035