Triumph TR6 PI Operation Manual page 67

Removing
l. Isolate the battery.
2. Drain and remove the sump 12.60.44.
3. Dealing with each connecting rod bearing in turn and
starting with number one, turn the crankshaft until
the bearing is in an accessible position.
NOTE: So that the connecting rods and caps may be
identified with their respective cylinder bores, each
rod and cap is numbered from one to six starting at
the front of the engine. Furthermore the number on
the cap and rod are adjacent and must always be
refitted this way round.
4. Check that the connecting rods and caps are
numbered in accordance with the above note.
5. Remove the bolts securing the cap to the connecting
rod.
6. Withdraw the cap complete with the bearing shell and
extract the shell.
7. Push the connecting rod and piston up the bore just
sufficiently to enable the upper bearing shell to be
removed.
CONNECTING ROD BEARINGS - SET
- Remove and refit
Connecting rod bearings - one
Connecting rod bearings - extra each
12.17.16
12.17.17
12.17.18
ENGINE
8. Repeat operations 3 to 7 on the remaining bearings,
keeping the bearing shells identified with their
respective connecting rods and caps if the original
shells are to be refitted.
Refitting
9. Lubricate and fit the upper bearing shell to the
connecting rod ensuring that the tag locates properly
in the recess.
10. Fit the lower bearing shell to the connecting rod cap
locating the tag in the recess.
11. Clean the connecting rod and cap mating faces and
check that the dowels are in position.
12. Lubricate the bearing and crank pin and fit the cap,
ensuring that it is positioned the correct way round -
see note preceeding instruction 4. A further check to
ensure correct assembly is that the two shell bearing
recesses are on the same side.
13. Pull the connecting rod on to the crankpin and using
NEW BOLTS secure the bearing cap to the
connecting rod tightening evenly to 38 to 46 Ibf ft
(5'2 to 6'4 kgf m).
14. Repeat instructions 9 to 13 on the remaining
bearings.
15. Refit the sump and fill with new oil to the high mark
on the dipstick.
16. Reconnect the.oattery.
NT2536
Triumph TR6 Manual. Part No. 545277 Issue 1
12.17.16
12.17.18