Kohler Command PRO ECV630 Service Manual page 117

4. Attach governor spring to previously marked hole on
governor lever.
Install Bottom Mount Control Panel (If Equipped)
Throttle Control Bracket Detail
NOTE: To identify various parts and assembly of throttle
control panel, refer to External Governor Control
Components.
1. Install bottom control panel and air cleaner
support bracket (if used) to cylinder heads using
screws. Torque screws to 10.7 N·m (95 in. lb.)
into new holes, or 7.3 N·m (65 in. lb.) into used
holes.
2. Connect governor spring from throttle control bracket
to previously marked hole in governor lever.
Install Air Cleaner Assembly
Refer to Air Cleaner/Intake for air cleaner reassembly
procedure.
Heavy-Duty Air Cleaner
1. Install air cleaner assembly onto throttle body
mounting studs. Secure and torque nuts to 7.4-9.0
N·m (65.5-80 in. lb.).
2. Install and tighten two upper mounting screws
securing air cleaner to mounting bracket. Torque
screws to 9.9 N·m (88 in. lb.).
Low-Profile Air Cleaner
1. Verify O-ring is present around machined O.D. of
throttle body and place air cleaner base onto throttle
body studs. Secure air cleaner base using three
nuts. Attach air cleaner base bracket to cylinder
heads with screws behind any control panel or
bracket. Attach air cleaner base to lower bracket with
M5 screws through lower section of base. Torque
nuts to 7.4-9.0 N·m (65.5-80 in. lb.), and lower M5
mounting screws to 2.3 N·m (20 in. lb.).
2. Install air cleaner components as described in Air
Cleaner/Intake.
Setting Initial Governor Adjustment
1. Move governor lever toward throttle body as far as it
will go (wide-open throttle) and hold in position.
2. Insert a nail into hole on cross shaft and rotate shaft
counterclockwise as far as it will turn, then torque
nut to 7.1 N·m (63 in. lb.).
Install Muffler
1. Install port liners (if equipped). Install exhaust
gaskets and muffler. Install oxygen sensor, torque to
50.1 N·m (37 ft. lb.), and connect to wire harness.
2. Install remaining muffler support hardware (screws
and nuts) and torque to 9.9 N·m (88 in. lb.).
3. Install nuts to exhaust studs. Torque nuts to 27.8
N·m (246 in. lb.).
24 690 02 Rev. D
Install Oil Cooler (if equipped)
1. Secure adapter to oil pan with oil filter nipple. Torque
oil filter nipple to 28.5 N·m (21 ft. lb.).
2. Verify all fuel and vent hoses are routed properly and
not pinched. Install screws to secure oil cooler to
blower housing. Torque top screw to 2.8 N·m (25 in.
lb.) and lower screw to 2.3 N·m (20 in. lb.).
Install Oil Filter and Fill Crankcase with Oil
NOTE: If testing oil pressure after completing
reassembly, install oil pressure adapter instead
of oil filter.
1. Prefill a new oil filter following instructions.
2. Place new filter 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 filter material.
3. Apply a thin film of clean oil to rubber gasket on oil
filter.
4. Refer to instructions on oil filter for proper
installation.
5. Fill crankcase with new oil. Level should be at top of
indicator on dipstick.
6. Reinstall oil fill cap/dipstick and tighten securely.
Connect Spark Plug Leads
1. Connect leads to spark plugs.
Prepare Engine for Operation (ECV EFI)
NOTE: If ECU, throttle body, TPS or fuel pump module
were replaced, an ECU Reset and TPS Learn is
required. Refer to Electrical 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 filter are installed.
3. Fill crankcase with correct amount, weight, and type
of oil. Refer to oil recommendations and procedures
in Maintenance, Specifications, and Lubrication
System.
4. Adjust idle speed adjusting screw as necessary.
Refer to Fuel System.
5. Turn on fuel supply.
KohlerEngines.com
Reassembly
pressure
™
117