SERVICE TRANSMISSION Cracked porcelain. Pitted or damaged electrodes. Other wear or damage. A B MX13768b 6. Slide hose clamps (A) away from fuel filter (B) using a pliers. 7. Disconnect hoses from filter, and raise fuel lines vertically to avoid fuel drainage. IMPORTANT: Avoid damage! Incorrect installation of fuel filter may cause engine damage. Install the filter with the arrow pointing in the direction of fuel flow (towards the engine) for proper operation. outer electrode. Gap must be 0.76 mm (0.030 in.). 8. Connect hoses to new filter making sure the filter arrow is pointed in the direction of the fuel flow. 10. Install and tighten spark plugs to 20 N•m (15 lb-ft). 11.
Connect spark plug wire(s) and lower hood. Adjusting Carburetor 9. Install clamps and check for leaks. 10. Lower hood. NOTE: Carburetor is calibrated by the engine manufacturer and is not adjustable. If engine is operated at altitudes above 1829 m (6,000 ft), some carburetors may require a special high altitude main jet. See your authorized dealer. Service Transmission Checking Transmission If engine is hard to start or runs rough, check the TROUBLESHOOTING section of this manual. The transmission is a sealed component. No maintenance is required on this transmission. If you suspect any transmission problems, please contact your authorized dealer.
Possible engine surging will occur at high throttle with transmission in N neutral and mower engagement lever disengaged. This is a normal condition due to the emission control system. After performing the checks in the troubleshooting section and your engine is still not performing correctly, contact your authorized dealer. Service Mower Replacing Fuel Filter Removing or Installing Mower Drive Belt at Engine Drive Sheave (122 cm (48 in.) and 137 cm (54 in.) Mower Deck) NOTE: Change filter when fuel is low. 1. Park machine safely. (See Parking Safely in the SAFETY section.) 1. Park machine safely. (See Parking Safely in SAFETY section.) 2. Let engine cool. 2.
Put lift lever in lowest position. 3. Lift hood. 4. Handle fuel safely. (See Handling Fuel Safely in the SAFETY section.) 5. Put a drain pan under fuel filter. Service Transmission - 30 rk plug as necessary. B ap (B) with a wire feeler gaug