Lotus TURBO ESPRIT Service Manual page 222

Page
14
SECTION EMA
5
CHECK HT SPARKING
-
TO IGN
SWITCH
7
VISUAL AND HT CABLE CHECKS
E X A M I N E
1 Distributor Cover
2
6 i l T o p
3
H.T. Cabla Insulation
4
H.T. Coble Continuity
5
Spark
Plugs
Should be good HT sparking
Repeat with original HT lead
Good sparking
If engine will not start
- *
TEST
6
No sparking, replace HT lead
If engine will not start
- - w
TE& 6
No sparking
Replace coil
If engine will not start
- *
Should be:
No sparking
-
TEST
7
HT sparking
Replace rotor armlrotorvane
If engine will not start
-
TEST
7
Should be:
1 Ciean, dry, no tracking marks
2 Clean, dry. no tracking marks
3 Must not be cracked, chafed
or perished
1 Must not be open circuit
5
Clean, dry, and setto correct gap
B).
Check cylinder compressions: Remove spark plugs. Gnnect a remote control
'
switch to battery and starter motor solenoid.
Use a compression tester to measure cylinder compressions with throttle fully
open.
Check that cylinder compressions are fairly even.
Cold engine (dry bores)
-
120 p . s
.i
.
minimum (at sea level)
Hot engine
-
130 p . s
.i
.
minimum (at sea level)
C). Check ignition timing:
+
Nominal static and idle:
lo
BTDC
(
- lo)
+
0
0
4,000 rprn with vacuum pipes disconnected from capsule:
17O
BTDC
(
-
2
)
APR
1987