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1928 Cadillac - GM Heritage Center

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ELECTRICAL SYSTEM 49<br />

Subject<br />

<strong>Cadillac</strong><br />

341<br />

LaSalle<br />

303-328<br />

Specifications<br />

Remarks<br />

Charging rate on car<br />

Current regulation<br />

Running engine with storage<br />

A<br />

A<br />

A<br />

A<br />

B<br />

B<br />

B<br />

B<br />

303<br />

303<br />

303<br />

303 1<br />

303 2<br />

328<br />

328<br />

328<br />

328<br />

16-18 amperes, maximum<br />

(cold)<br />

Third brush (thermostat control)<br />

Split<br />

field<br />

Resistance in series with<br />

field<br />

coils<br />

Plate 24, Figs. J, 4, 5<br />

See Note 7<br />

Before engine unit 2-10750.<br />

Beginning with engine unit 2-10750<br />

on 303 cars. See Note 8.<br />

Voltage, rated<br />

HORN<br />

Manufacturers number<br />

ADJUSTMENTS<br />

Air gap between armature and<br />

Position of vibrating spring..<br />

Contact point adjustment. . .<br />

Current consumption<br />

IGNITION<br />

Coil-<br />

Manufacturer's number<br />

DISTRIBUTOR<br />

Angle between contact arms.<br />

Contact point gap<br />

Firing order<br />

Spark advance, automatic.. .<br />

Spark advance, manual<br />

Tension of contact arm springs<br />

Timing, low-compression cylinder<br />

heads<br />

Timing, high compression<br />

heads<br />

SPARK PLUGS<br />

Coated with Duco<br />

Gap<br />

Type<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

A<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

B<br />

303<br />

303<br />

303 1<br />

303 2<br />

303 1<br />

303 2 328<br />

303 1<br />

303 2 328<br />

303 328<br />

303 328<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

303<br />

328<br />

328<br />

328<br />

328<br />

3">8<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

328<br />

175° Fahrenheit<br />

6 volts<br />

Delco-Remy K25 Type C99I<br />

Delco-Remy K19 Type 1050<br />

Delco-Remy KI9 Type 1053<br />

.025 in. clearance<br />

Adjust by loosening retaining nut<br />

and turning aluminum disc to give<br />

proper clearance. Plate 25. Fig. 1<br />

.025 in. clearance<br />

Adjust by loosening three stud nuts<br />

and raising or lowering field coil to<br />

give proper clearance. Plate 25, Fig. 2.<br />

Horizontal<br />

}<br />

Slight angle below horizontal ! Plate 15. Figs. 1. 2.<br />

Until proper tone is secured J<br />

7-8 amperes<br />

Delco-Remy 2195<br />

2 amperes, engine stopped<br />

2½ amperes, engine running<br />

Delco-Remy 4023<br />

Delco-Remy 4041<br />

135°<br />

.0225-.0270 in.<br />

1L. 4R, 4L, 2L, 3R, 3L, 2R,<br />

1R.<br />

Worn limit, not over .003 in.<br />

32°<br />

21°<br />

38°<br />

16-20 oz.<br />

Yi in. ahead of center, manual<br />

control advanced<br />

X A in. ahead of center, manual<br />

control advanced<br />

V% in. ahead of center,manual<br />

control advaned<br />

.025-.028 in.<br />

A. C. Type Y<br />

Sec Note 9.<br />

Measure with spring scale, Tool<br />

100242. Plate 27, Fig. 1.<br />

See Note 10<br />

Clean plugs with alcohol or Duco<br />

thinner.

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