Kohler K91 Service Manual page 46

SO L E NO I D , A NT I - D I ES E L I NG
( 45 435 01 )
*NOTE:
turned counterc lockwi s e unti l i t no longer contacts the
throttle bracke t - - this a l lows the throt t le p late to c lose fu l ly .
Automatic Chokes
Thermostatic Type
The automatic choke is a heat sensitive thermos­
tatic unit. At room temperatu re , choke lever will
be set in a vertical position . If engine should fail to
start when cranked , adjust choke lever by hand to
determine if choke setting is too lean or too rich .
Once this has been establ ished , adjustment can
be made to remedy situation .
Adjustment
1 . Loosen adjustment lock screw on choke body.
This allows the position of adjustment to be
changed .
2 . Moving adjustment bracket downward will in­
crease the amount of choking . U pward move­
ment will result in less choking .
3 . After adjustment is made , tighten adjustment
lock screw .
Electric-Thermostatic Type
Remove air cleaner from carburetor to observe
position of choke plate. Choke adjustment must be
6 . 2 0
�
THROTTLE
L I N KAGE
Make sure idle speed scre� on carbure tor has been
Figure 6-31 . Anti-Dieseling Solenoid.
made o n cold engine . If starting i n extreme cold ,
choke should be in full closed position before en­
gine is started . A lesser degree of choking is
needed in milder temperatures .
Adjustment
1 .
Move choke arm until hole in brass shaft lines
up with slot in bearings .
2 . Insert #43 drill ( . 089) and push all the way
down to engine manifold to engage in notch in
base of choke unit.
3 . Loosen clamp bolt choke lever, push arm up­
ward to move choke plate toward closed posi­
tion . After desired position is attained , tighten
clamp bolt then remove dril l .
4 . After replacing air cleaner, check for evidence
of binding in linkage , adjust as needed . Be
sure chokes are fully open when engine is at
normal operating temperature .
THERMO-ELECTRIC AUTOMATIC CHOKES
Service
Before working on or near the carburetor or choke
area take these PRECAUTIONS :