Kohler RH255 Service Manual page 52

Reassembly
Install Air Cleaner Base, Element, and Cover
1. Install air cleaner base gasket onto carburetor studs.
2. Connect breather tube to air cleaner base. If engine
has evap air cleaner base, connect evap hose to
base.
3. Install air cleaner base onto carburetor studs and
secure with nuts. Torque nuts to 8 N·m (70.8 in. lb.).
4. Install spit cup cover on base (if equipped).
5. Install element into base.
6. Install cover and secure cover latch.
Prepare Engine for Operation
Engine is now reassembled. Before starting or operating
engine be sure to do following:
1. Make sure all hardware is properly torqued.
2. Make sure oil drain plugs and oil fi ll plugs are
tightened securely.
3. Fill crankcase with correct oil. Refer to Maintenance
and Lubrication System for oil recommendations and
procedures.
Testing Engine
NOTE: Do not adjust maximum no-load high-idle engine
speed beyond 3950 RPM maximum.
It is recommended engine be operated on a test stand or
bench prior to installation on a piece of equipment.
1. Set engine up on a test stand. Check gas and oil
levels. Start engine and run for 5-10 minutes
between idle and midrange. Adjust low-speed idle
screw so low idle speed is set to 1800 RPM (± 150)
or application specifi cations.
2. Adjust high-speed stop screw as necessary to
3850 + 100 RPM (typical RPM).
52 KohlerEngines.com 18 690 06 Rev. --