CLUTCH
SERVICE
DIAGNOSIS.
SYMPTOM
1.
Drag or
Spin.
2.
Fierce-
ness or
Snatch.
3.
Slip.
4.
Judder.
CAUSE
(a)
Oil or grease on the driven plate
facings
.
(b)
Misalignment between the en-
gine and gearbox shaft.
(c)
Improper pedal adjustment not
allowing full movement to release
bearing.
(d)
Warped or damaged pressure
plate or clutch cover.
(e)
Driven plate hub binding on
splined shaft.
(f)
Pilot
.
.
or operating shaft bearings
binding.
(g)
Distorted driven plate due to the
weight of the gearbox being
alloked to hang Yn clutch plate
during erection:
(h)
Broken facings of driven plate.
(j)
Dirt or foreign matter in the
clutch.
(k)
Air in hydraulic line or insuffi-
cient fluid.
(a)
Oil or grease on driven plate
facings.
(b)
Misalignment.
(c)
Binding of clutch pedal mech-
anisms.
(d)
Worn out driven plate facings.
-
-
(a)
Oil or grease on the driven plate
facings.
(b)
Improper pedal adjustment indi-
cated by lack of the requisite
.820" free or unloaded foot pedal
movement-.030" at master cyl-
inder,
.079" at slave cylinder.
(a)
Oil, grease or foreign matter on
the driven plate facings.
(b)
Misalignment.
REMEDY
Fit new facings.
Check over and correct the
alignment.
Correct pedal adjustment.
Renew defective part.
Clean up
splines and lubri-
cate with small quantity of
high melting point grease
such as
Duckham's Keenol.
Renew or lubricate bearings.
Fit new driven plate assy.
using a jack to take the over-
hanging weight of the gear-
box.
Fit new facings.
Dismantle clutch from fly-
wheel and clean the unit, see
that all working parts are
free.
Caution.
Never use petrol
or parafi for cleaning out
clutch.
Bleed or replenish.
Fit new facings and ensure
isolation of clutch from pos-
sible ingress of oil or grease.
Check over and correct the
alignment.
Free and lubricate journals.
New facings required.
Fit new facings and elim-
inate cause of foreign pre-
sence.
Correct pedal adjustment
and/or clearances.
Fit new facings and elimin-
ate cause of foreign presence.
Check over and correct
alignment.
To Next Page
Loading...
