Kohler Command Pro EFI ECH940 Service Manual page 103

Install Oil Filter and Add Oil to Crankcase
NOTE: Make sure both oil drain plugs are installed and
torqued to 21.4 N·m (16 ft. lb.) to prevent oil
leakage.
1. Install oil drain plugs. Torque plugs to 21.4 N·m
(16 ft. lb.).
2. Place new fi lter in shallow pan with open end up. Fill
with new oil until oil reaches bottom of threads. Allow
2 minutes for oil to be absorbed by fi lter material.
3. Apply a thin fi lm of clean oil to rubber gasket on new
fi lter.
4. Refer to instructions on oil fi lter for proper
installation.
5. Fill crankcase with new oil. Level should be at top of
indicator on dipstick.
6. Reinstall oil fi ll cap/plug and dipstick and tighten
securely.
Connect Spark Plug Leads
Connect leads to spark plugs.
Prepare Engine for Operation
NOTE: If ECU, throttle body, TPS or fuel pump module
were replaced, an ECU Reset and TPS Learn is
required. Refer to EFI System Reset and TPS
Learn procedure.
Engine is now completely reassembled. Before starting
or operating engine, be sure to follow steps below.
1. Make sure all hardware is tightened securely.
2. Make sure oil drain plugs, Oil Sentry
switch, and a new oil fi lter are installed.
3. Verify crankcase has been fi lled with correct amount,
weight, and type of oil. Refer to oil recommendations
and procedures in Maintenance, Specifi cations, and
Lubrication System.
4. Turn on fuel supply.
62 690 13 Rev. A
Testing Engine and Setting Speed
A
C
E
It is recommended engine be operated on a stand or
bench prior to installation in piece of equipment.
1. Set engine up on a test stand. Install an oil pressure
pressure
™
2. Adjust idle speed screw located on throttle body 100
3. Set governed idle speed to specifi ed governor speed
4. Adjust high speed as necessary. Make sure
Governor Spring/RPM Range Chart
ECH940/ECH980
Governor Idle Spring (Color)
ECH940
Governor Spring (Color)
ECH980
Governor Spring (Color)
KohlerEngines.com
A
F
E
Idle Speed Screw
Governed Low
Idle Screw
Governor Spring
gauge. Start engine and check to be certain oil
pressure (20 psi or more) is present. Run engine at
idle for 2-3 minutes, then 5-6 minutes more between
idle and midrange.
RPM below specifi ed idle speed setting.
setting.
maximum engine speed does not exceed 3750 RPM
(no load).
Black
Orange
Brown Patch
Red
Purple
Reassembly
B
C
D
B High Speed Screw
Governed Idle
D
Spring
F Governor Lever
Idle Speed (RPM)
1626-1800 RPM
High Speed (RPM)
3000-3300 RPM
3301-3675 RPM
3676-3900 RPM
High Speed (RPM)
3000-3900 RPM
103