1948-1952 Shop Service Manual - - Hudson-Essex-Terraplane Club

ELECTRICAL SYSTEM 6 - 21
screw (D) until the correct gap is obtained. Distributor
point gap is .017" on eight cylinder engines and .020"
on six cylinder engines.
4. Tighten contact support lock screw and recheck
point gap.
5. If necessary bend stationary contact to secure correct
alignment.
BREAKER POINT RENEWAL:
1. Remove distributor cap and rotor.
2. Remove hair pin clip at (F), Figure 17.
3. Remove screws (G) attaching vacuum control unit
to distributor housing and remove vacuum control
unit.
4. Remove the two screws at (C) and the two nuts,
washers and insulators at (H), (6 cylinder.)
5. Disconnect breaker point wires at (E) and (H) and
remove complete contact support plate and contacts
with condenser attached for bench disassembly.
6. Remove screw and clip (A) attaching breaker arm
spring and remove breaker arm.
7. Remove lock screw (B) attaching stationary contact
and remove the contact.
8. Install a new breaker arm and attach primary and
condenser lead wires to breaker spring clip and
Install clip and screw (A).
9. Install a new stationary contact, but do not tighten
lock screw; connect wires at (E) and (H) and Install
condenser.
10. Install complete contact support plate and stationary
contact as an assembly, and Install screws (C)
and nuts (H).
11. Check alignment of contact points. Bend the stationary
contact arm if necessary to secure proper alignment
and contact. DO NOT bend breaker arm.
12. Tighten screw (D).
13. Adjust breaker point gap.
14. Check breaker arm spring tension. Hook a spring
scale to the arm at the contact and pull at a right
angle to the contact surface. Tension should be 17
to 20 ounces just as the contact separate.
15. Adjust spring tension by loosening screw at (A),
attaching breaker arm spring to plate, and move end
of spring in or out of clip as necessary.
DISTRIBUTOR REMOVAL:
FIGURE 18
1. Remove wires from distributor cap and remove cap.
2. Disconnect vacuum line (C), Figure 18 and distributor primary
wire (B).
3. Remove lock plate, hold down screw ,(A), attaching distributor
quadrant to engine and remove distributor from engine.
DISASSEMBLY:
1. Remove rotor.
NOTE: On 6 cylinder models, remove stationary contact support
with condenser, stationary contact and breaker arm as an
assembly. See Operations 2 through 5, under "Breaker Point
Renewal" . On 8 cylinder cars, proceed as follows:
2. Remove screw and clip (A), Figure 17, attaching breaker arm
spring, primary lead, and condenser lead to breaker plate and
remove breaker arm.
3. Remove condenser.
4. Remove stationary contact lock screw (B), and remove contact.
5. Remove vacuum control unit by removing hairpin clip (F) and
screws (G), Figure 17.