TS, TR, TX engines workshop manual
38
T SERIES ENGINES WORKSHOP MANUAL
41
end centre bush.
6.Fit the thrust nut (9) to the screw.
7.Using the correct size of spanner and checking
the tool and bush alignment very carefully, tighten
the thrust nut until the bush is central across its
housing.
8.Remove the tool.
Camshaft Bush Tool 317-50006
Notes:
The camshaft bush tool, 317-50006, has been
replaced by 393235; both are described and
either can be used. The legend numbers
referred to in the illustration and text are also
marked on the individual tool items.
Figure 2.38.2 Camshaft Bush Tool 317-50006
Centre Bush Removal
1.Place sleeve (B) over the plug (A) with the
locating lug towards the plug head.
2.Place the sleeve and plug into the gear end
camshaft bush hole.
The chamfer on the sleeve will assist in aligning
the tool.
3.Insert the bolt (H) through the flywheel end
camshaft bearing hole.
4.Place the washer (E), which must be the same
diameter as the centre bearing bush, over the
bolt with the flat face towards the bolt head and
screw it into the plug until the washer abuts the
centre camshaft bush.
5.Checking carefully for tool alignment, tighten the
bolt to push the washer and bush through the
centre web of the crankcase.
6.Remove the tool complete with bush.
Centre Bush Replacement
1.Place the sleeve over the plug with the locating
lug towards the plug head.
2.Place the sleeve and plug into the gear end
camshaft bush hole.
The chamfer on the sleeve will assist in aligning
the tool.
3.Insert the bolt through the flywheel end camshaft
hole, place the washer and bush over the bolt
with the flat face towards bolt head and screw it
into the plug until the bush and washer abuts the
centre camshaft bearing hole.
4.Checking the tool and bush alignment very
carefully, gently screw the bolt until the centre
bearing is fully located in the centre web bearing
housing.
5.Remove the complete tool.
Flywheel End Bush Removal
1.Place the plug (A) against the bush.
2.Insert the bolt (H) with plate (G) through gear end
camshaft bearing housing and screw it into the
plug.
3.Place the plate in correct position on the centre
web and tighten the bolt.
4.Ensure the tool is correctly lined up and tighten
the bolt until the bush is fully removed.
5.Unscrew the plug and remove the tool and
bush.
Flywheel End Bush Replacement
1.Start the bush by gently tapping it into the housing
using a copper or hide faced hammer.
2.Place the plug against the bush.
3.Insert the bolt with the plate through the gear end
camshaft bearing hole and screw it into the plug.
4.Place the plate into the correct position on the
centre web and tighten the bolt.
5.Ensure the tool is correctly lined up and tighten
the bolt until the bush is correctly located.
6.Unscrew the plug and remove the tool.
2.39 THE CYLINDER BARREL
Before removing any cylinder barrel it should
be marked to ensure it is replace to its original
orientation.
Cylinder Barrel Removal
1.Remove the cylinder head and sump.
2.Place a retaining tube, secured by a hand tight
cylinder head nut, over one stud of each cylinder
from which the head was removed.
This will prevent the cylinder rising as the crankshaft
is turned.
3.With the engine turned over and standing on
the flywheel, rotate the crankcase until one
connecting rod big end is at BDC.
4.Remove the big end bearing cap.
Figure 2.38.2 Camshaft Bush Tool 317-50006
Centre Bush Removal
1. Place sleeve (B) over the plug (A) with the locating lug towards
the plug head.
2. Place the sleeve and plug into the gear end camshaft bush
hole.
The chamfer on the sleeve will assist in aligning the tool.
3. Insert the bolt (H) through the flywheel end camshaft bearing
hole.
4. Place the washer (E), which must be the same diameter as the
centre bearing bush, over the bolt with the flat face towards
the bolt head and screw it into the plug until the washer abuts
the centre camshaft bush.
5. Checking carefully for tool alignment, tighten the bolt to
push the washer and bush through the centre web of the
crankcase.
6. Remove the tool complete with bush.
Centre Bush Replacement
1. Place the sleeve over the plug with the locating lug towards
the plug head.
2. Place the sleeve and plug into the gear end camshaft bush
hole.
The chamfer on the sleeve will assist in aligning the tool.
3. Insert the bolt through the flywheel end camshaft hole, place
the washer and bush over the bolt with the flat face towards
bolt head and screw it into the plug until the bush and washer
abuts the centre camshaft bearing hole.
4. Checking the tool and bush alignment very carefully, gently
screw the bolt until the centre bearing is fully located in the
centre web bearing housing.
5. Remove the complete tool.
Flywheel End Bush Removal
1. Place the plug (A) against the bush.
2. Insert the bolt (H) with plate (G) through gear end camshaft
bearing housing and screw it into the plug.
3. Place the plate in correct position on the centre web and
tighten the bolt.
4. Ensure the tool is correctly lined up and tighten the bolt until
the bush is fully removed.
5. Unscrew the plug and remove the tool and bush.
Flywheel End Bush Replacement
1. Start the bush by gently tapping it into the housing using a
copper or hide faced hammer.
2. Place the plug against the bush.
3. Insert the bolt with the plate through the gear end camshaft
bearing hole and screw it into the plug.
4. Place the plate into the correct position on the centre web
and tighten the bolt.
5. Ensure the tool is correctly lined up and tighten the bolt until
the bush is correctly located.
6. Unscrew the plug and remove the tool.
2.39 The Cylinder Barrel
Before removing any cylinder barrel it should be marked to
ensure it is replace to its original orientation.
Cylinder Barrel Removal
1. Remove the cylinder head and sump.
2. Place a retaining tube, secured by a hand tight cylinder head
nut, over one stud of each cylinder from which the head was
removed.
This will prevent the cylinder rising as the crankshaft is turned.
3. With the engine turned over and standing on the flywheel,
rotate the crankcase until one connecting rod big end is at
BDC.
4. Remove the big end bearing cap.
5. To protect the crankshaft journal from possible damage, fit
a suitable tube over each connecting rod bolt and secure it
with a hand tight nut.
6. Rotate the crankcase until the same piston is at TDC.
7. Mark the cylinder for position and number.
8. Remove the tube securing the barrel.
9. Lift off the barrel, piston and connecting rod as a complete
assembly.
10. Remove the tubes from the big end.
11. Replace the big end bearing cap.
12. Remove the piston from the cylinder barrel.
13. Thoroughly clean the cylinder barrel and check for scoring
and wear.
Cylinder Barrel Replacement
1. Fit the piston to the connecting rod.
On TS/TR engines ensure the wording 'CAMSHAFT SIDE' on
the piston crown is the same side as the identification marks
on the connecting rod big end.
2. Insert the gudgeon pin and two circlips; ensure the circlips
are correctly located in the grooves.
3. Fit the piston rings in the order as shown in 'Figure 2.40.1'
4. Ensure the piston ring gaps are staggered and fit the piston
into the cylinder barrel while compressing the rings.
5. If necessary, fit new big end bearing shells ensuring they are
correctly located in both the connecting rod and cap.
6. On TS/TR engines:
Coat the bottom jointing face surface of the cylinder barrel
with Hylomar PL32M.
Fit a new joint and coat it with Hylomar PL32M.
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