Maintenance; Distributor Maintenance; Distributor Body; Three Thousand Hour Check - Westerbeke ATOMIC 4 Operation And Maintenance Manual

Paragraph
3,
Section VI.
b. Check generator and starter
brushes for wear. If worn replace.
See Paragraphs
3
and
4,
Section VI.
c. Adjust valve tappets if neces-
sary. See Paragraph
7,
Section VI.
d. Remove and clean muffler.
e. Lubricate and repack bearings on
magneto. See Paragraph
5,
Section VI.
B.
THREE THOUSAND HOUR CHECK
At the end of three thousand hours
of operation the engine should be
completely overhauled. All bearings
should be checked for wear, valves
ground, piston rings replaced, and
the engine thoroughly cleaned.
SECTION VI
MAINTENANCE
1. DISTRIBUTOR
1~INTENANCE
a. Removal
(1) Unsnap the two springs holding
the cap to the distributor body.
Remove the cap.
(2) Loosen the clamping screw at
the base of the distributor.
(3)
Remove the
screw which holds
engine block.
timing adjusting
the clamp to the
(4)
Note the position of the dis-
tributor in relation to the engine,
to facilitate replacement in the
same relative position.
(5)
Remove distributor from engine.
b. Inspection
(1) Inspect the distributor for
cracked, broken, or worn parts and
for excessive burning. Replace all
defective parts.
(2) Clean all parts with carbon
tetrachloride.
c. Adjustment and Replacement of
Points
(1) Points which show only a slight
discoloration and are not badly
pitted should be cleaned with a
fine point file and reset for a gap
-45-
of
O.OIB
to 0.022 inch. See Fig.
60
(1).
(2) Badly worn or pitted points
should be replaced. When replacing
points be sure they are properly
aligned. Bend stationary arm (2)
slightly to align points. Do not
bend breaker arm ()).
z.
Fig.60 Distributor Body
d. Adjustment of Breaker Arm Spring
Tension
(1)
Hook a spring scale to the
contact end of the breaker arm and
bold at right angles to the contact
surfaces.
(2) Read the scale just as the con-
tacts separate. Scale reading should
be between 17 and 20 ounces.