Exmark 0, 312 manual Check Mower Blades

Figure 19

1.Positive (+) cable on discharged battery

2.Positive (+) cable on booster battery

3.Negative (–) cable on the booster battery

4.Negative (–) cable on the engine block

5.Booster battery

6.Discharged battery

7.Engine block

Check Mower Blades

Service Interval: Before each use or daily

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Lift deck and secure in raised position as stated in the Clean Grass Build-Up Under Deck section.

3.Inspect blades and sharpen or replace as required.

4.Reinstall the blades (if they were removed) in the following order:

A.Install bushing through blade with bushing flange on bottom (grass) side of blade.

4.Connect the other end of the positive cable to the positive terminal of the booster battery.

5.Connect the black negative (–) cable to the other terminal (negative) of the booster battery.

6.MAKE THE FINAL CONNECTION ON THE ENGINE BLOCK OF THE STALLED VEHICLE (NOT TO THE NEGATIVE POST) AWAY FROM THE BATTERY. STAND BACK (see Figure 20).

Figure 20

1.Engine block

2.Negative (–) cable

7.Start the vehicle and remove the cables in the reverse order of connection (the engine block (black) connection is the first to disconnect).

Figure 21

1.Install bushing in blade prior to installing bushing in spindle.

B.Install bushing/blade assembly into spindle. Make sure the splines on the bushing are engaged in the spindle before tightening the bolt.

Figure 22

1.Use wrench here for blade installation. This nut has been torqued to 90-110 ft-lb (122-149 N-m)

2.Torque to 55-60 ft-lb (75-81 N-m) Apply lubricant to threads as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute.