a.
Clean
the
inside
of
the
bearing
cap
and
the
inner
and
outer
bearing
races
with
Loctite
Primer
T.
b. Apply
Loctite
RC 609
to
the
end
of
the
shaft,
the
inside
of
the
bearing
cap
and
the
inner and
outer
races
of
the
beari ng.
c.
Assemble
the
bearing
and
the
bearing
cap
and allow
approximately
30 minutes for
the
Loctite
RC 609
to
set.
5.
Perform
steps
2 through 8
of
Section
5.2.3.1
to
install
the
output
shaft
assembly.
5.2.3.4 Variable Speed Belt Replacement
I.
Perform
the
procedure in
Section
5.2.2
to
remove
the
input
shaft
assembly.
2.
Perform
the
procedure in Section 5.2.3
to
remove
the
output
shaft
assembly.
3.
Perform
the
procedure in Section 5.2.3.1
to
replace
the
output
shaft
assembly.
3. Perform the procedure in
Section 5.2.2.1
to
replace
the
input
shaft
assembly.
5.2.3.5 Timing Belt Replacement
I.
Perform
the
procedure in Section 5.2.3.
2.
Take
the
molding and side channels
off
both
sides
of
the
treadmill.
Use a 1/2-inch
wrench
to
remove
the
five
bolts
on
the
treadmill
deck and a 9/16-inch wrench
to
remove
the
two
bolts
holding
the
side
channel
to
the
headframe.
3. Slide
the
timing
belt
off.
4.
Replace
with a new timing
belt.
5.
Reinstall
the
output
shaft
by performing
steps
2 through 8
of
Section 5.2.3.1.
6. Reinstall the side
channels
and molding.
7.
Adjust
the
timing
belt
tension (Section
5.3.1).
5.2.4 Disassembly
to
Remove
the
Rack Gears
or
Pinion Shaft
1.
If
treadmill
grade will
change
at
all,
take
the
grade
to
approximately
12
% (6-7
0
).
5-8
2.
1Dnplug
the
treadmill,
remove
the
handrail
and hood,
and
lift
the
hood
straight
up
off
the
treadmill.
3.
Block
the
front
of
the
headframe
with
3-
to
6-inch wooden blocks
to
take
the
weight
off
the
treadmill
wheels.
4.
If
the
rack
gear
is
completely
jammed,
proceed
to
Section
5.2.4.2.
WARNING I
Do
not wear loose clothing around
rotating
machinery. High voltage is
present
when
the
treadmill
cable
is
plugged in.
5.
Restore
;power
to
the
treadmill
and raise
the
wheels approximately 1/2 inch
off
the
floor
by
decreasing
grade.
6.
Remove
the
two
hexbolts holding
the
wheels
to
the
rack gears.
Note
the
arrangement
of
the
washers used
as
spacers.
7.
Decrease
grade
until
the
rack
gears
start
bouncing on
the
pinion
shaft.
8. Unplug the
treadmill.
9.
Lift
the
rack
gears
straight
out
the
top.
5.2.4.1 Rack Gear Reassembly
1.
If a rack
gear
is
completely
jammed,
perform
the
procedure in Section 5.2.4.2,
omitting
step
I
of
Section 5.2.4.2.
2.
Perform
the
procedure in Section 5.2.4.
3. Install
the
undamaged
rack
gears
simultaneously so
that
they
will be parallel.
WARNING I
,Do
not
wear
loose
clothing
around
rotating
machinery. High voltage is
present
when
the
treadmill
cable
is
plugged in.
4.
Restore
power
to
the
treadmill
and
decrease
grade.
After
the
gears
bounce a few
times,
increase
grade. This should
cause
the
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