Kohler l654 서비스 매뉴얼 - 페이지 15
{카테고리_이름} Kohler l654에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Kohler l654 44 페이지. Engine
페이지 인쇄GASOLINE
CARBURETOR
GAS
IN
3/4
NP
GAS LINE
(FLEXIBLE)
\
LET
(GAS) LOAD ADJUSTME
SECONDARY REGULATOR
T
-
-
(MODEL UN]
ti
FUEL PUMP
u\
PRIMING LEVER
(GASOLINE)
NT
FIGURE 4-9 -- TYPICAL GAS-GASOLINE
FUEL SYSTEM
can be replaced.
After
replacing
these parts,
use the following
procedure'
to adjust carburetor.
1.
Turn the idle stop screw
in about 2 turns or until the butterfly
valve
is held slightly
open.
2.
Turn IDLE
FUEL
screw
(gas carburetor
only) all the way in until it bottoms
lightly.
3.
Turn the MAIN
FUEL
or LOAD
screw
all the way cl.osed then back out 5 turns for initial
setting.
After
preliminary
adjustments
are made,
runs smoothest
at governed
speed no load,
start the engine and adjust
the MAIN
FUEL
until the engine
for final power adjustment.
then put the engine under normal
load and readjust
as needed
The idle fuel adjustment
can remain
completely
closed
if the engine is not
required
to run at any other speed than load speed.
a
On the combination
systems,
use the same general
procedure
as stated for adjusting
the gas
adapter
and that stated earlier
for adjusting
the gasoline
carburetor.
GAS REGULATOR -- MODEL KN SECONDARY
. The orifice
size and maximum
inlet pressure
are stamped
on the cover of the KN-do
not permit
inlet pressure
to exceed
maximum
(usually'6
oz.).
If an electric
solenoid
is used,
it should be mounted
close
to the model
KN.
To check inlet pressure,
The orifice
size of the s.olenoid must be at least
as large as orifice
in regulator.
remove
plug on fuel inlet,
inlet pressure
to 4-7 ounces (t-12*'
water column)
insert
manometer
or ounce pressure
gauge.
Adjust
,
--inlet
pressure
is adjusted
on primary
regulator.
Reconditioning:
Thoroughly
wash all metal parts
in cleaning
solution,
blow out all passages.
Replace
all worn,
damaged
parts.
Inspect
diaphragm
and gaskets
bonded to both sides
of diaphragm--replace
as
unit if diaphragm
or gasket
damage
is evident.
Check brass
orifice--replace
if nicked.
Replace
rubber
seat if crushed
or if foreign
material
imbedded
in rubber.
all parts are clean and free
of dirt,
lint,
etc.
Before. reassembling
regulator,
make sure
Adjustment
(Lock
Off):
The lock off adjustment
is provided
only to shut off fuel when engine
is not oper-
ating-it
is not for adjusting
fuel mixture
or engine
speed.
Readjustment
should be necessary
only after
47
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