R Ii.3.16 Caster Wheel - DAHON Folder 1987 User Manual

6.3.16
Caster
Wheel
(Third
Wheel)
A.
Disassembly-
Unscrew
the two
elbow
assembly
mounting bolts
(U-320
and
U-340),
and remove
the elbow
assembly.
Take
out the
pin (U-120)
by first
removing
the
spring clip retainer
(U-1
30)
and
tapping
it out.
To remove
the caster wheel
(U-210), loosen
the 4
screws
(U-220) which
mount
it to
the
caster
wheel
bracket (U-1
10).
B.
Trouble
Shooting and Maintenance
The caster
wheel is made
of 3
separate components. Cracked,
bent, broken
or
excessively
worn components demand replacement.
lf
bolt or
screws
do not
tighten
properly,
or if
the
pin
is bent
or
spring
pin
damaged, replace
the
neces-
sary fasteners.
Always use
new mounting
screws
(U-220) when replacing the
caster
wheel
(U-210).
Replace
all mounting screws
(U-220) together;
be
careful
not
to
overtighten them, thus stripping
out the holes
in the bracket
(U-1
1
0) and
causing
replacement
of this piece.
The elbow assembly
will
not function properly if it
is
bent.
Try to
straight-
en
it out by hand.
lf
thls
does
not work,
replace
the assembly.
Caution:
Failure
to
raise
the
caster
wheel before riding,
or forceful
impact
against
the
caster
wheel assembly
whether in
its up
or down position,
may
cause severe
damage
to
the caster wheel assembly.
37
38
3-speed,
gear
hub
36 holds
1
3T
7.
SPECIFICATIONS
I
Bicycle
Unfolded
size
Folded
size
Weight
52/2"
Lx19" Wx40"H
max.
2J"
Lx9 %"xWx1l"H
28
pounds
Frame Front
Frame
Built
of
1-1
/8" plain
gauge
hardened
stainless
steel tubing
and
stainless steel
in-
vestment
castings.
Rear Frame
Front
Fork Fork
blade
made
of
1-1
fB,'plain
gauge
hardened
stainless steel tubing.
Fork
crowns
are
of
investment
castinq.
Saddle &
Seat
Post
S
Steel Tubing
Upper
Seat
Post
Sadd
le Padded
vinyl top
racing
saddle
1
-1
/8" plain
gauge hardened stainless steel
Middle
Seat
Post
1-13132"
plain
gauge hardened
stainless
steel
tubing
Handlebar
tfandtebar
778ligtrf
alloy
Handlebar
Stem Top
Light alloy
Handlebar
Stem
1-1
18" plain
gauge hardened
stainless
steel
tubing
Handlebar
Post
1-318" plain
gauge hardened
stainless
steel
tubing
Wheel
Rim 16x1.75
Tires &
Tubes 16
x
1 .7
5, tire
pressure 45 psi
Spokes
15g
Front
Hub
Light alloy,
small flanged,
36
holes
Gear Hub
(Rear)
Suntour
(3-speed)
hub
cog