Examining Telescopic Fork
Restrictor Rod Assembly.
Remove the restrictor rod from the pressure tube,
unscrew the oil restrictor nut and remove the restrictor, restrictor cup and pin.
DISMANTLING, PREPARATION
AND
ASSEMBLY
OF
UNITS
First
thoroughly degrease all parts and lay out for inspection. If the mileage covered
is
more than 20,000 (30,000 krns.)
it
is recommended that all bushes and seals are
changed.
Stanchions. Check that the stanchion
is
true by laying a straight edge along
it
to
find out if there
is
any distortion. If the stanchion is to be used again after straight-
ening, the bow should not exceed
&"
(4.8 mm.).
The owner
is
not advised to
undertake the servicing of a fork in this condition,
it
should be returned to a Triumph
Dealer for an exchange service replacement.
Head Lugs and Middle
Lug.
If the motorcycle has been involved in an accident
the lug will require expert attention. No attempt should be made to carry out
this work without jigs.
Bottom Cover Tubes.
Examine for indentation and scrap if defective.
Springs.
If the coils are not unduly compressed, the springs are
fit
for further
service.
The free length of the spring should be within
j"
(12.7 mrn.) of the original
length which
is
19,L" (49 cms.) solo and
20"
(51 cms.) s/c.
Ball Races.
Cups, cones and balls should be examined for indentation and pitting
and changed if necessary.
...
Top Race
...
...
...
22
&"
(4.76 mrn.) diarn. Balls
...
Bottom Race
...
...
20
$"
(6.35 mm.) diam. Balls
3T only
...
...
...
.,:
22
&"
(4.76 rnm.) diam. Balls Top
&
Bottom
Friction Damper. Examine the friction damper assembly for traces of oil, grease,
rust, etc. Renew the friction disc if at all worn and the spring plate if weak or broken.
PRESSURE TUBE ASSEMBLY
Restrictor Rod.
Fit
the pin to the restrictor rod, then the cup, restrictor, and
finally the locking nut.
Pressure Tube.
Screw the lower valve body to the pressure tube and insert the
restrictor rod assembly.
Slide the top support sleeve over the restrictor rod and
screw onto the pressure tube.
Checking. To ensure correct operation of the valve, place the assembly in a tin of
oil and pump the rod up and down. When the pressure tube
is
filled, the upward
movement of the rod should be restricted and the downward movement unrestricted.
Spring and Cap Nut.
Fit the spring over the restrictor rod and compress until
the rod can be gripped with a pair of pliers.
Screw the cap nut into position and
release the spring.
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