Install Oil Filter And Add Oil To Crankcase; Prepare Engine For Operation; Testing Engine - Kohler ECV940 Service Manual

Reassembly

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/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 Electronic Fuel Injection (EFI)
System section.
NOTE: If electronic governor and throttle body were
removed or replaced, refer to Governor section
for proper adjustment/assembly.
Engine is now completely reassembled. Before starting
or operating engine, follow proceeding steps.
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 sections.
4. Turn on fuel supply.
96

Testing Engine

It is recommended engine be operated on a test stand or
bench prior to installation in equipment.
1. Set engine up on a test stand. Install an oil pressure
2. Adjust idle speed screw located on throttle body as
3. Mechanical Governor: Adjust governed idle and
3. Electronic Governor: Attach 12 volt jumper wire to
pressure
™
KohlerEngines.com
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.
necessary. Standard idle speed setting for EFI
engines is 1500 RPM, but certain applications might
require a different setting.
high speed (RPM) to required settings. Make sure
maximum engine speed does not exceed 3900 RPM
(no load).
speed control input red wire with yellow tracer.
Engine speed should increase to high. Make sure
maximum engine speed does not exceed 3900 RPM
(no load). If engine speed does not increase, refer to
Governor section for proper troubleshooting and
diagnostics.
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