TRIUMPH TELESCOPIC FORK
MAINTENANCE
The. Triumph telescopic hydraulically controlled fork will require little attention
other than an occasional check of the external nuts, screws and washers. At no
tlme during normal service will the forks need topping up with oil
;
slight leakage
that may have taken place will not affect the fork action.
Periodic draining and re-filling every
5,000
miles
(8,000
kms.) should be carried out
and If the leakage has become excessive,
it
will be necessary to drain and re-fill the
forks before this distance.
Draining. To drain the oil from the fork, remove the two drain plugs
at
the base
of the bottom cover tubes and compress the forks two or three times. This causes
the oil to be expelled
at
a greater rate.
Re-Rlllng. Replace the drain plugs. Remove the headlamp rim assembly from the
nacelle, exposing the upper part of the stanchions. Unscrew the two screwed oil
plugs in the stanchion and pump
i
j6
Pint
(100
c.c.)
oil (See Lubrication Chart, page
200)
into each fork leg by means of
a
pressure can or gun.
Re-filling the
TR5
Forks. To
re-fill
the forks on the
TR5,
unscrew the two large
cap nuts, securing the stanchions to the fork head lug, and pour in the oil past the
springs.
It
is
estimated that, under normal conditions, the time between fork overhauls
should be about
20,000
miles
(30,M)O
kms.). This work should be carried out by
a
dealer or by the Trlurnph Service Department.
ADJUSTING THE STEERING HEAD RACES
Lower the rear or central stand
as
the case may be and raise the front wheel clear
of the ground by placing a box of suitable height under the crankcase. To test the
play In the steering head, slacken off the damper and grip the fork lower tubes; rock
the fork in
a
fore and aft direction. Care must be taken however, to observe that
the play felt
is
In the steering head and not in the fork bushes. By watching the
lower portion of the fork crown, any movement in the aces will be easily seen.
If play
is
detected, adjust the races in the following manner.
Top
Lug
Clip Bolt.
Slacken off the nut.
Crown and Stem
Nut.
By swinging the fork to the
left
or right
a
spanner can be
placed on the nut hexagon. The spanner should be turned clockwise to eliminate
play, but only two finger pressure.should be applied. Now ease the pressure off by
lightly turning the spanner in the opposite direction and then test.
Testing. The fork should move to the full lock posltlon in both directions under
Its own weight. If the movement
is
sluggish slacken off the adjuster nut slightly
more and test again. Finally, check the steering when riding the machine on the road.
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