Exmark 312 Lawn Mower User Manual


 
Maintenance
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
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 rst to disconnect).
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
ange on bottom (grass) side of blade.
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 130–160 ft-lb (176–217 N-m)
2. Torque to 50-60 ft-lb (68-81 N-m) Apply lubricant to
threads as needed to prevent seizing. Copper-based
anti-seize preferable. Grease acceptable substitute.
33