/
ALWAYS REPLACE
CAP
IGHTLY,
OR
OIL LEAKAGE
MAY
OCCUR.
THIS LEVEL
FIGURE
5.
OIL LEVEL
AFTER WASHING ELEMENT IN
SOLVENT DIP IN ENGINE OIL AND
SQUEEZE AS DRY
AS
POSSIBLE
FIGURE
7.
AIR CLEANER ELEMENT
"5r
SHIFT SLEEVE
FIGURE
6.
GOVERNOR LINKAGE
F.
CRANKCASE OIL.
Change oil only when warm
after operating. If oil is too cold to flow, do not
start engine. Move to a warm location or apply
flameless heat externally until oil flows freely. Oil
Filter is a full-flow type.
Change oil every
100
operating hours when
operated in extremely low temperatures, under
extreme dust or dirt conditions, when using
highly leaded gasoline, or running for short
periods of time.
G.
BREATHER VALVE.
The breather valve maintains
a partial vacuum in crankcase. If faulty, install a
new valve. Lift off rubber breather cap, Figure
8.
Carefully pry valve from cap, or squeeze top of
cap to release valve from rubber cap. Wash this
fabric flapper-type check valve
in
fuel. Dry and
reinstall with perforated disc toward engine.
A
flapper valve is not used on JC engines.
H.
SPARK PLUGS.
Remove spark plugs. Clean and
adjust electrode gap. See
Dimensions and
Clearances.
If engine runs rough or if plug fails to
pass a standard test, install new spark plugs.
I.
BREAKER POINTS.
Refer to
Tune-up
Specijications
for correct gap. Replace burned or
faulty points. If only slightly burned, dress
smooth with file or fine stone. Measure gap with
thickness gauge.
Ignition breaker points must becorrectlygapped.
Crank engine to fully open breaker points
(1/4
turn past top center for JB). Loosen and move
stationary contact to set correct gap. Retighten
and recheck gap.
Ignition
points should break contact just as
timing mark aligns with degree of spark advance
14
Redistribution or publication of this document,
by any means, is strictly prohibited.
To Next Page
Loading...
Need help?
General
