a. Remove screws (I and 2). Lift off the cap
(3), rotor (4) and dust seal (5). Remove the carbon button
b. Remove the screws (7) and the bracket (8)
c. Remove the screw (10) and the contact set
d. Remove the screws (1 2) and the breaker
plate (13) and wick (14).
e. Grind or file off the peened over head of pin
(15) and drive out the pin. Remove the coupling (16) and
shim washers (17 and 18).
Lift out shaft and weight plate (19) with the
attached parts from the housing (20). Remove the seal
(21) and washer (22).
g. Remove the screw (23) and plate (24).
h. Unhook the two springs (25) and remove the
two weights (26) and cam (27).
Take out the grommet (28) and lead (29).
3-16. Cleaning Clean all metal parts with dry
cleaning solvent (Federal Specification P-S-661 and dry
with compressed air. Wipe all other parts clean with a
piece of dry cloth.
3-17. Inspection and Repair
a. Check the cam (27), weights (26), springs
(25) and the shaft and weight plate (19) for wear. Replace
b. Replace the contact set (11) if the points are
worn or pitted or if the rubbing block or bushing are worn
c. Replace the wick (14) if it is worn, hard or
d. Replace the carbon button (6) if it is worn.
e. Check all other parts for signs of physical
damage. Replace if necessary.
3-18. Reassembly and Installation
Refer to figure 3-3 and reassemble the distributor as
a. Set the weights (26) and cam (27) on the
shaft (19) and install the springs (25).
b. Install the plate (24) and secure it with the
c. Place the washer (22) and seal (21) on the
shaft (19) and set the shaft into the housing (20).
d. Install the washers (18 and 17) and coupling
(161 on the shaft. Insert a new pin (15) and peen the
head to secure the coupling.
e. Install the breaker plate (13) and secure it
with the screws (12).
Install the grommet (28), lead (29) and wick
the contact set (11) and secure it with the
screw (10). Adjust the point gap as outlined in TM 5-