Ball lock replacement
STEP A.
Disassemble the T-bar from the scooter
A1. Unwrap the cable wrap
near the brake wire
A6. Put the screw, small spring,
and 2 plastic reducers down
A2. Remove the heat shrink
tube to access the connectors
A7. Pull the brake lever away
from the brake lever holder
and make the brake pull wire
go thru the side gap (made in
Step A4)
A3. Press sides of the
connectors to detach the DC
brake signal wire
A4. Rotate the side rings to
align gaps of the brake holder
for the brake pull wire to go
thru
A5. Unscrew and remove the
hex screw that hold the brake
lever together on the holder
A11. Untighten the
hand-adjusted nut on top of
stem
A12. Remove the 2 hex screws
that bolt the stem top piece on
the stem tube
A8. Pull the brake pull wire
away from the brake lever
holder and unhook the brake
lever
A13. Slide up carefully the
stem top piece along the T-bar
and make sure the cable wrap
and cables are going thru the
hole properly (without putting
too much stress on cables)
A9. Unscrew and remove the 2
hex screws close to the
dashboard
A14. Press the ball lock down
and pull the T-bar all the way
from the stem
A10. Detach the dashboard
from the scooter
Go to
Step B
Ball lock replacement
STEP B.
B1. 4 small parts near the
bottom of the T-bar tube: 2
C-shap positioners, one ball
button, and one bended
wire-spring (inside)
Replace the ball lock, bent wire, and plastic positioners
B5. Press the ball button and
use a plier to cramp it from
the tube opening
B10. Click the ball button into
place
B6. Pull out the bent-wire
spring and ball button
B11. Use a plier to position the
bend wire in the middle of the
position hole in the back
B2. Squeeze out the top plastic
C-shape positioner
B3. Visually examine the
positioner. It should have a
round piece inward to position
it on the T-bar, and a
rectangular platform on the
outside for gliding along the
track of the stem tube. Replace
it if necessary.
B7. Visually examine the ball
button and wire spring.
Replace it if necessary.
B12. Clip the low C-shape
positioner into place. Make
sure the bent wire rest
securely in the grove of the
inner round piece of the
positioner
B13. Clip back the top C-shape
positioner
B8. Pin the tip of the bent wire
to the back of the ball button
B4. Take out the bottom
C-shape positioner and
examine it. Replace it if
necessary.
B9. Squeeze the wire spring
into the opening of the T-bar
tube. Please make sure the
ball button is on the side of
the larger/lower round hole
(below the belt recess for the
C-shape positioner).
Go to
Step C
Ball lock replacement
STEP C.
Assemble the T-bar back to the scooter positioners
C1. Put the T-bar in position to
slide into the stem tube
C2. Press the ball button, and
make sure the back rectangular
piece align with the inner track
of the stem tube
C3. Slide the T-bar into the stem
tube carefully
C4. Make sure the round rubber
piece holds 2 cable wires
together
C6. Press the top stem piece all
the way down
C6. Tighten the hex screws to
secure the top stem piece in
place.
C12. Slide the brake pull wire
back into the brake lever
holder thru the gap
C13. Pull the brake lever
outward, and make it back to
position
C8. Tighten the
hand-adjustable nut on top of
the stem
C14. Put the screw, small
spring, and 2 plaastic reducers
down
C9. Screw the dashboard back
in position
C15. Tighten the screw
C10. Re-connect the brake
signal wire
C5. Press the top stem piece
downward and make the round
rubber piece fit in the hole
C16. Wrap around the cable
wrap and you are
C11. Hook the brake pull wire
to the brake lever
DONE!