Kohler L600 Service Manual page 16

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ORIFICE
FIGURE 4-I 0 -- MODEL KN SECONDARY GAS REGULATOR - EXPLODED VIEGI
regulator has been completely disassembled or if fuel is not being shut off properly after engine stops.
Use following procedure to adjust:
With engine stopped,
slowly turn lock off screw out (counterclockwise direction) until
fuel starts to flow through the regulator then turn screw i'n (clockwise) until the flow stops--
note position of screw
when flow
stops then turn in one more turn for final setting.
48 0