Westerbeke ATOMIC 4 User Manual

7. VALVE TAPPET ADJUSTIlENT
a. Valve tappet adjustments ere to
be made with the piston on top dead
center of the compression stroke
with both valves closed.
b. Two t-YPBS of tappet adjust ing
screrls ar-e-used: one is of the self-
locking type and the other has a
locking nut for holding the adjust-
ing screw in place. Before malring
the adjustment, this locking nut
~ust be loosened and the adjusting
nut held in place when it is re-
tightened after the adjustment is
co~pleted. See Fig. 70.
Fig.70 Valve Tappet - f...djustoent
(1) Bemove the valve cover plate on
the carburetor side of the engine.
Be careful not to damage the valve
plate gasl{et.
(2) Cran!r: the engine until the pis-
ton is in the top dead center
posit ion.
(3) Adjust the tappets to the
clearance shown in Table 7.
(4) Replace the valve cover. If the
gasket is damaged, replace with a
neVl gaslcet us ing a good grade gasket
. cement.
8. REVERS H:rG GEAR ADJUST1.1ENT,
JOBS I.1ODEL
c... Forl7C'ord dr i ve Adjustoent
(1) ~emove the reversing gear cover
-54-
plate.
(2) Loosen the screw (2) 17hich holds
the clip (3) in the notcQes cut in
the gear case housing until the clip
can be lif+-j out of the notch. See
Fig. 71.
(3) Turn the gear case cover clock-
'r:ise one notch.
CAUTION
Overtightening may cause re-
verse gear drum to break when
shift lever is moved.
(4) Place the clip in the notch and
tighten screw.
(5) Repeat the process until
clutch does not slip under
drive of the engine.
(6) Replace the
cover plate.
reversing
b. neverse Drive Adjustoent
the
full
gear
(1) TIeoove the reversing gear cover
pl2-te.
(2) Remove cotter pin and slack off
adjusting nut (1). See Fig. 71.
(3) Full operating lever toward
reverse position until cam roll
rests on cam at point (A), Fig. 72.
(4) Tighten adjusting nut until
drum uill not revolve 'l,7ith the lever
in reverse position and the engine
at full pO't7er.
CAUTION
Do not adjust so tightly that
the cam roll cannot ride out
of the notch at point (C),
Fig. 72 •
9. REVERSING GEAR ADJUSTI.1ENT,
P f ... RAGOH 1,1J: .. NUAL I.IODEL
a. Forward Drive Adjustment
(1) TIemove the reversing gear cover
plate.

Westerbeke ATOMIC 4 Specifications

General

Brand	Westerbeke
Model	ATOMIC 4
Category	Engine
Language	English