Triumph TR6 PI Operation Manual page 443

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CAUTION:
ALTERNATOR DATA CHARTS
The alternator contains polarity sensitive components that NOTE:
may be irreparably damaged if subjected to incorrect polarity.
Do not connect or disconnect any part of the charging
circuit - including the battery leads - while the engine
is running. Run the alternator with all connections made
or with the unit disconnected.
Three Lucas alternators and two Delco Remy altemators
have been fitted to the TR6 model range up to the end of
the 1972 model year. Identify the unit on the specific vehicle
to ensure that information obtained from this manual refers
to the appropriate alternator.
i
Manufacturer
Type
Part numbers -
Lucas
15 ACR
Battery sensed with small.lugs
Lucas
15 ACR
Machine sensed with large lugs
Lucas
17 ACR
Machine sensed with large lugs
assembly
-comprising -
alternator
fan
pulley
Lucas
I
Stanpart Lucas Stanpart Lucas
Stanpart
Part No.
No. Part No. No.
Part No. No.
-
216970
-
217771
-
217692
23562
I
215346
I
23634
I
217772 23635 217988
54217652 147990 54217652
147990
54217652 147990
54218695
154334
54218695
154334
54219467 155948
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Polarity
Brush length - new
- renew if less than
Brush spring pressure
Rectifier pack-output rectification
-field winding supply rectification
Stator windings
Field winding rotor: poles
maximum permissible speed
shaft thread
Field winding resistance at 20°C
Nominal output: condition
alternator speed
engine speed
control voltage
amp
Negative earth only
0'5 in (12'70 mm)
0'2 in (5'00 mm) protrudes from
brushbox when free
9 to 13 oz (255 to 370g) at face
. flush with brushbox
6 diodes (3 live side and 3 earth side)
3 diodes
Three phase - star connected
12
12,500 rev/min
9/16 in - 18 V.N.F.
4'33
±
5% ohm
Hot
6000 rev/min
2200 to 2900 rev/min - variations of
ratio occur according to current
market specification requirements
14 volt
28 amp
Negative earth only
0'5 in (12'70 mm)
0'2 in (5'00 mm) protrudes from
brushbox when free
9 to 13 oz (255 to 370g) at face
flush with brushbox
6 diodes (3 live side and 3 earth side)
3 diodes
Three phase - star connected
12
12,500 rev/min
9/16 in - 18 V.N.F.
4'33 ± 5% ohm
Hot
6000 rev/min
2200 to 2900 rev/min - variations of
ration occur according to current
market specification requirements
14 volt
28 amp
Negative earth only
0'5 in (12'70 mm)
0'2 in (5'00 mm) protrudes from
brushbox when free
9 to 13 oz (255 to 370g) at face
flush with brushbox
6 diodes (3 live side and 3 earth side)
3 diodes
Three phase - star connected
12
12,500 rev/min
9/16 in - 18 V.N.F.
4'165 ± 5% ohm
Hot
6000 rev/min
2200 to 2900 rev/min- variations of
ratio occur according to current
market specification requirements
14 volt
36 amp