Triumph TR6 PI Operation Manual page 55

ENGINE
DISTRIBUTOR DRIVE SHAFT -
CARBURETTER ENGINE
- Remove and refit
Removing
I.
3.
4.
5.
6.
7.
12.10.22
Isolate the battery.
Turn the engine over until the pointer on the timing
cover coincides with the 4° A.T.D.C. mark on the
crankshaft pulley, number one cylinder firing.
Remove the distributor 86.35.20.
Remove the two nuts and spring washers securing the
pedestal to the cylinder block.
Remove the pedestal.
Check that the position of the distributor drive slot is
corred (see instruction 13) and lift out the distributor
drive shaft and gear.
Remove the gaskets.
6
7
Establishing the distributor drive shaft end-float
8. Place a flat washer on top of the oil pump shaft bush.
9. Fit the distributor drive shaft and gear in position
over the washer ensuring that the oil pump drive dog
is engaged.
10. Fit the pedestal without gaskets and using a feeler
gauge measure and note the gap A between the
pedestal and cylinder block flange.
II. Remove the pedestal and distributor drive shaft and
measure the thickness of the washer with a
micrometer.
12. Allowing 0'005 in (0'127 mm) end-float assess the
req uired number and thickness of gaskets needed as
in the following examples a and b.
a. Washer thickness B 0'075 in (1'905 mm)
Measured gap A 0'074 in (1'880 mm)
End float 0'001 in (0'025 mm)
Gaskets required to
the value of 0'004 in (0'102 nun)
b. Washer thickness B
Measured gap A
Pre-load
Gasket required to
the value of
0'075 in (1'905 mm)
0'080 in (2'032 mm)
- 0'005 in (- 0'127 mm)
0'010 in (0'254 mm)
Continued
NT2586
12.10.22 Sheet I
Triumph TR6 Manual. Part No. 545277 Issue J