Quinton Q55 - Adjustment and Alignment Procedures; Timing Belt Tension Adjustment; Walking Belt Tension or Track Adjustment; Adjusting the Setscrews on the Speed Change Yoke

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The deck surface has been anodized. Do
not machine the deck as this will alter the
protect ive coating.
1. Perform the procedure in Section 5.2.6 to
disassemble the walking belt.
2. Slide the walking belt off.
3. File only the burr off the deck.
4.
Perform steps 4 through 9 of Section
5.2.6.1
to replace the walking belt and
reassemble the treadmill.
5.3 ADJUSTMENT AND ALIGNMENT
PROCEDURES
Adjustment procedures are included in this
section to adjust the treadmill for proper
operation. Alignments of chains and .be~ts,
wi th the exception of the self-abgnIng
variable speed belt, can be done using the
setscrews provided and a straightedge.
5.3.1 Timing Belt Tension Adjustment
1. Pry the molding loose from both side of
the treadmill.
2. Remove the four 9/16-inch bolts and
washers on either side of the headframe.
3. If the timing belt is so tight that it hums
or whines during operation, move the
headframe assembly toward the walking belt.
4. If the timing belt is so loose that it slips
on
the timing pulley, move the headframe
further away from the walking belt.
5. Replace the bolts and washers.
6. Replace the molding.
5.3.2 Walking Belt Tension or Track
Adjustment
Adjust the walking belt tension by performing
the procedure in Section 3.2.1 of the Q55/Q65
Operator Manual. Adjust the walking belt
track by performing the procedure in Section
3.2.2 of the Q55/Q65 Operator Manual.
5.3.3 Adjusting the Setscrews on the Speed
Change Yoke
1. Verify that step 7 of the speed calibration
procedure (Section 5.4.1) has been performed
and that the speed change yoke setscrews
require adjustment.
2. Unplug the treadmill, remove the handrail
and hood, and
lift the hood straight up off the
treadmill. Locate the speed change spindle
assembly (Figure 5-2).
Figure 5-2 Speed Change Spindle Assembly
3. If speed will not decrease to minimum,
perform the following.
WARNING I
clothi ng around
High
voltage is
treadmill cable is
Do not wear loose
rotating machinery.
present when the
plugged in.
a. Restore power to the treadmill and
observe
the speed change spindle
assembly and
the speed indicator as you
decrease speed to minimum. Unplug the
treadmilL
b. Work from the front end of the treadmill
to adjust the speed change yoke
setscrew. Use a liS-inch Allen head
wrench
to turn the setscrew nearest the
beari ng cap one turn counterclockwise.
5-11