Kohler KT17 Service Manual

SECTION 4
FUEL
SYSTEM AND GOVERNOR
CARBURETOR RECONDITIONING
Difficulties with fuel systems usually originate
from improper carburetor settings, or from dirt,
gum or varnish in carburetor components. The
necessity of cleaning will depend upon use and
operating conditions. To clean thoroughly, it will
be necessary to disassemble carburetor.
Cleaning Carburetor
All parts should be carefully cleaned using a
carburetor cleaner (such as acetone). Follow clean·
er manufacturer's warnings and instructions on
its proper and safe use.
CAUTION: Carburetor should not be submersed
h in cleaner or solvent, it may damage
8 fiber and rubber seals.
Be sure all deposits are removed from bore, es-
pecially where throttle plate seats in casting. Blow
out all passages with compressed air. Replace all
worn and damaged parts. Always use new gaskets.
Carburetor repair kits are available from your
Kohler parts supplier. Kits include a bowl retaining
screw gasket, bowl ring gasket, float pin, bowl
baffle gasket, and fuel inlet needle and seat.
Disassembly of Carburetor
(see Figure 4-2 for location of parts)
WARNING: Disconnect and ground spark plug
leads to eliminate electrical spark.
When disconnecting fuel lines be sure
to wipe up any spilled fuel and make
sure no sources of heat, flame or sparks
are near, as these can cause gasoline
fumes to explode.
1. Shut off fuel source.
2. Disconnect breather hose from carburetor in-
take elbow or from air cleaner base. (See Figure
8-39).
3. Remove air cleaner assembly.
4. Disconnect fuel line, governor linkage and
choke linkage from carburetor.
5. Disconn!'ct carburetor (with elbow attached)
from manifold by removing two nuts. Separate
carburetor from elbow by removing three
screws.
6. Remove bowl retaining screw and bowl. (Bowl
may still contain gasoline-handle carefully.)
7. Remove float pin, float, fuel inlet needle and
seat. Check float for dents and leaks, also
check for wear on float tabs or float hinge.
8. Remove baffle gasket and bowl gasket.
20
Idle Speed
Screw
),~~-:
Idle Fuel
Adjusting
I
Main Fuel
-------
Adjusting
Screw
Screw -~
r-- c:::)----::.~~.
(J
~--Baffle
Float
Hinge
Fuel
Inlet
Needle
~
and sey _;:.;;;;:;:;;;:,::_
\
Float
Bowl Retaining-
Screw
Float Pin
·--Bowl Retaining
Screw Gasket
Figure 4·2. Side Draft Carburetor- Exploded View
9. Remove idle fuel adjusting screw, main fuel
adjusting screw and springs.
10. If the throttle and choke shafts are worn, a
repair kit is available. Refer to the Parts
Manual for the part number of this kit.
Assembly of Carburetor
1. With carburetor casting inverted, install fuel
inlet seat. Torque seat to 35 in. lbs.
Install inlet needle, float, and float pin.
NOTE: Floats in current production carbure-
tors have two tabs on the float hinge. Bend tab

Kohler KT17 Specifications

General

Brand	Kohler
Model	KT17
Category	Engine
Language	English