Triumph TR6 PI Operation Manual page 62

Removing
I. Isolate the battery.
2. Remove the cylinder head 12.29.10.
3. Drain and remove the sump 12.60.44.
4. Remove the connecting rod bearings - instructions 3
to 8,12.17.16.
5. Push the connecting rods and
pi~tons
up the cylinder
bores and extract the assemblies from the cylinder
block.
Refitting
6. Dealing with each piston and connecting rod in turn,
lubricate the bores and carefully insert the assembly
into the respective cylinder ensuring:-
a.
that the open face of the connecting rod
big-end bearing is towards the non-thrust side
of the engine Le. facing the camshaft.
b. the arrow. on top of the piston is pointing
to the front of the engine.
7. Stagger the piston ring gaps avoiding a gap on the
thrust side of the piston.
8. Using a piston ring compressor gently push the piston
into the bore.
9. Repeat instructions 6 to 8 on the remaining pistons.
10. Fit the upper bearing shells to the connecting rods,
pull the connecting rods on to the crankpins and fit
the bearing caps and lower shells - instructions 9 -
13,12.17.16.
II. Refit the sump.
12. Refit the cylinder head.
13. Ensure that the sump is refilled with the correct grade
of new oil to the high mark on the dipstick before
reconnecting the battery.
CONNECTING RODS AND PISTONS
- Remove and refit 12.17.01
ENGINE
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Triumph TR6 Manual. Part No. 545277 Issue 1
12.17.01