Service manual

72
Reassembly
KohlerEngines.com 62 690 01 Rev. C
Install Oil Sentry
(if equipped)
1. Apply pipe sealant with Te on
®
(Loctite
®
PST
®
592™
Thread Sealant or equivalent) to Oil Sentry
threads
switch and install it into 1/8 in. port in closure plate.
Torque switch to 10.1 N·m (90 in. lb.).
2. Connect green wire lead to Oil Sentry
terminal.
Install Blower Housing and Cylinder Shrouds
1. Align and install blower housing.
2. Secure blower housing with screws. Torque screws
to 4.0 N·m (35 in. lb.) into new holes, or 2.0 N·m
(18 in. lb.) into used holes.
3. Install cylinder shrouds and secure with shoulder
screws. Torque screws to 4.0 N·m (35 in. lb.) into
new holes, or 2.0 N·m (18 in. lb.) into used holes.
Install Control Panel (if equipped)
Control Panel Component
A
A Control Panel
1. Install control panel to main control bracket and oil
lter housing. Torque M6 screw into oil lter housing
to 10.7 N·m (95 in. lb.) into a new hole, or 7.3 N·m
(65 in. lb.) into a used hole. Torque M5 screws to
6.2 N·m (55 in. lb.) into new holes, or 4.0 N·m
(35 in. lb.) into used holes.
2. Connect Oil Sentry
indicator light wires.
3. Install knobs onto control levers.
Install Muf er
1. Install new exhaust gaskets onto exhaust studs.
2. Install port liners (if equipped). Attach muf er and
secure with nuts onto exhaust studs. Torque nuts to
24.4 N·m (216 in. lb.).
3. Install any attaching hardware and brackets. Torque
M6 screws to 9.9 N·m (88 in. lb.), and M8 screws to
24.4 N·m (216 in. lb.).
4. Install spark arrestor (if used).
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 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 lter material.
3. Apply a thin lm of clean oil to rubber gasket on new
lter.
4. Refer to instructions on oil lter for proper
installation.
5. Fill crankcase with new oil. Level should be at top of
indicator on dipstick.
6. Reinstall oil ll cap/dipstick and tighten securely.
Connect Spark Plug Leads
Connect leads to spark plugs.
Prepare Engine for Operation
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
pressure
switch, and a new oil lter are installed.
3. Adjust carburetor, idle fuel needles, or idle speed
adjusting screw as necessary.
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
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. Adjust carburetor mixture settings
as necessary (as available).
2. Adjust governed idle and high speed (RPM) to
required settings. Make sure maximum engine
speed does not exceed 3900 RPM (no load).