Kohler KG2204 Service page 94

5.6.2. Installation Procedure
To install the hose connector into the fuel
pressure regulator, place the fuel pressure
regulator in a vice. Add a PTFE
(Polytetrafluoroethylene) paste that is
appropriate for NG or LPG applications onto
the male threads of the hose connector and
thread the hose connector with a wrench.
Place PTFE paste on the male threads of the fuel
nipple.
Note: Do not put any side pressure on the regulator or
pipe that may strip or damage any of the threads.
Position and rotate the fuel pressure regulator
onto the pipe nipple.
Reconnect vacuum hoses to the fittings on the
fuel pressure regulator and tighten the hose
clamps.
Position the fuel-line hose onto the hose adapter
and tighten the fuel-line hose clamp to secure.
Reconnect the battery.
If the engine is used as part of a generator set,
re-apply the AC power supply to the generator set
by closing the upstream circuit breaker.
Reconnect the fuel line and turn on the fuel
supply.
Turn the ECM power ON and check for leaks
using a soapy solution or an electronic leak
detector. If leaks are detected make repairs.
Press RUN to start the engine and check for
leaks using a soapy solution or an electronic leak
detector. If leaks are detected, make repairs.
Verify correct operation in all throttle ranges.
Turn off the engine.
Check for any DTCs and troubleshoot. Refer to
Section 2, Diagnostic Troubleshooting Codes
for further diagnosis.
94 Installation and Removal Procedures TP-6903 5/16a