Disassembly/Inspection and Service
107
62 690 05 Rev. E
KohlerEngines.com
Remove Throttle Body (FIELD INSTALLED
UPDATED DESIGN Electronic Governor)
1. Disconnect TPS wire.
2. Loosen 2 screws securing lifting bracket and air
cleaner bracket to intake manifold.
3. Remove nuts securing elbow and throttle body.
4. Cut nylon tie straps retaining GCU wiring harness to
GCU wire tie-down bracket.
5. Cut nylon tie strap retaining sheathing on speed
input wire (red w/yellow stripe) and power wires.
6. Remove GCU ground wire and screw from air
cleaner bracket assembly.
7. Slide sheathing down and disconnect wires from
harness.
8. Remove 3 screws securing GCU bracket.
9. Disconnect link clip from outboard end of DLA;
remove spring and linkage.
10. Carefully lift and move air cleaner brackets/ECU/
GCU up on front section of engine. Secure
temporarily to access and replace throttle body.
11. On earlier engines with separate intake air
temperature (IAT) and MAP sensors, disconnect IAT
sensor from throttle body.
12. Disconnect breather tube from throttle body.
13. Disconnect throttle position sensor connector.
14. Disconnect vent hose from bottom of throttle body.
15. Slide throttle body off studs.
16. Reverse procedure to reassemble, torque fasteners
to proper specifi cations. Air cleaner bracket screws
to 11.3 N·m (100 in. lb.); Air cleaner elbow to throttle
body nuts to 7.9 N·m (70 in. lb.).
FIELD INSTALLED UPDATED DESIGN Electronic Governor Intake and Throttle Body Assembly Components
A
B
C
D
E
G
H
I
J
L
Q
O
M
P
S
K
F
N
R
A
Elbow
B
Elbow O-ring
C
Throttle Body
D
Intake Manifold
E
Fuel Rail Assembly
F
Breather Hose
G
Injector
H
TMAP Sensor
I
ECU
J
Air Cleaner Bracket
Assembly
K
Lifting Bracket
L
Throttle Body Lever
Adapter
M
Linkage & Spring
N
Speed Control Input
O
Sealed (Bonded)
GCU Module
Wiring Harness
Assembly
P
DLA Bracket
Q
DLA
R
GCU Bracket
S
GCU Wire Tie-Down
Bracket
