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1935 Cadillac - GM Heritage Center

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86<br />

ELECTRICAL SYSTEM<br />

Note: Recondition contact points or install new<br />

ones as necessary-before timing ignition;<br />

loosen locking screws to synchronize contacts or to time<br />

moveab/e contacts with IG/A flywheel mark for No. I cylinder-<br />

Loosen locking screw to turn cam on 452-D.<br />

Cam is integral with shaft on 370-D and<br />

LaSalle:<br />

loosen locking screws to adjust<br />

contact point gaps.<br />

Tighten after adjustment is.<br />

made.<br />

Turn eccentric screw to adjust contact<br />

point gap on. each side.-<br />

Loosen locking screw to adjust<br />

contact point gap. Tighten<br />

screw after adjustment is made.<br />

Rotate distrib<br />

utor housing<br />

counter-clock<br />

wise until contacts<br />

just sepa<br />

rate with end<br />

rotor in line \<br />

No. 1 insert 01<br />

tributor cap a<br />

mer-Distributor<br />

flywheel mark for No. 1 cylinder is opposite pointer.<br />

Hold cam against direction of rotation to eliminate backlash.<br />

Fig. 14<br />

Movable<br />

Arm<br />

Adjustments<br />

<strong>Cadillac</strong> 452-D—Typical of<br />

370-D and LaSalle 350<br />

Turn eccentric screw to<br />

adjust contact point gap.<br />

f^m<br />

Fig. 75<br />

Timer-Distributor<br />

Adjustments<br />

—<strong>Cadillac</strong> 355-D<br />

370-D-<br />

452-D-<br />

Pointer-<br />

Turn eccentric screw to synchronize<br />

movable contacts or until movable<br />

contacts just separate with end of rotor<br />

(end for R.H. cylinders on 370-D and<br />

452-D) in line ,<br />

f No. 6 for 350<br />

< with insert No. 4 for 370-D<br />

No. 8 for 452-D<br />

on distributor cap and the IG/A<br />

mark* (given below) opposite the<br />

^m. pointer.<br />

CD<br />

Torn housing counter-clockwise [turn<br />

cam clockwise on 452-D) until stationary<br />

contacts just separate with end of rotor<br />

(end for L.H. cylinders on 370-D and<br />

452-D) in line with No. 1 insert on<br />

distributor cap and IG/A flywheel<br />

mark for No. 1 cylinder opposite<br />

pointer (see Fig. 16 ).<br />

350 — IG/A for No. 6 cylinder<br />

*-{ 370-D-IG/A for 4 and 10 cylinders<br />

452-D-r-IG/A for 8 and 10 cylinders<br />

Contact Point Gap<br />

LaSalle 350 - .0)8-.024 in.<br />

<strong>Cadillac</strong> 355-D- •.0J2-.0J8 in.<br />

•018-.024 in.<br />

.014 -.018 in.<br />

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

370-D<br />

Ignition Timing Mark<br />

1/2 in.<br />

Pointer<br />

Dead <strong>Center</strong> Mark<br />

Ignition Timing<br />

Mark for<br />

No. 7 Cylinder<br />

3/8 in.<br />

Pointer<br />

<strong>Cadillac</strong> 452-D<br />

Dead <strong>Center</strong> Mark<br />

• Fig. lb<br />

Ignition Timing<br />

LaSalle 350<br />

Dead<br />

<strong>Center</strong><br />

Mark<br />

Ignition Timing<br />

Mark for No. 6<br />

Cylinder<br />

Plate 29. Ignition Timing

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