Specifications

MAINTENANCE 1101
RENEW LUCAS CONTACT BREAKER SLIDING
CONTACTS
- 4 - cylinder petrol engine
The contact set should be renewed every 40.000
km
(25,000 miles).
Remove the old contacts
1. Remove the distributor cap.
2. Remove the rotor arm.
3. Remove the retaining screw and lift the contact set
4. Press the contact set spring and release the
complete from the plate.
terminal plate and leads from the spring.
Fit
new contacts
5.
6.
7.
8.
9.
10.
Clean the points with petrol to remove the
protective coating.
Press the contact spring and fit the terminal plate
with the black lead uppermost.
Fit the contact set to the moving plate, ensuring
that the peg, underneath the contact pivot, locates
in the hole in the moving plate.
The sliding contact actuating fork must also locate
over the fixed peg.
Loosely secure the assembly with the
scrcw, plain
and spring washer.
Check that the contact leaf spring locates properly
in the insulation shoe.
Adjust gap
11.
12.
13.
14.
Rotate the crankshaft until the contact heel is on
the highest point
of a cam.
Adjust the gap by inserting a screwdriver blade
between the
‘V’ shaped notch and pip and twist the
screwdriver.
Insert a
0,35 to 0,40 mm (0.014 to 0.016 in) feeler
gauge between the points and adjust to a sliding fit
and tighten the retaining screw.
Fit the rotor arm.
ST1082M
RENEW DISTRIBUTOR CONTACT SET - V8 engine
Fixed contact type
1.
2.
3.
4.
5.
6.
Unclip and remove the distributor cap.
Withdraw the rotor arm.
Remove the contact breaker spring anchor nut and
lift off:
(a) the top
- half of insulation bush
(b) the low tension lead (black)
(c) the capacitor lead (orange)
Remove
the contact breaker retaining screw, plain
and spring washer and remove contact set
assembly.
Remove the complete insulation bush.
Fit the contact breaker set ensuring that the
small
post protruding from below the contact set locates
through the hole in the cover plate into the hole in
the end of the vacuum unit actuating lever, secure
with the screw, plain and spring washers.
continued
17