Operator's Manual

36
3. Remove grease zerk in hole. Reinstall hex plug and
dust cap.
Where to Add Grease
Lubricate the grease fittings as shown on the Check
Service Reference Aid decal (Fig. 35).
Figure 35
Where to Add Light Oil or Spray
Lubrication
Lubricate the machine in the following areas with spray
type lubricant or light oil. Lubricate every 160 hours.
• Seat switch actuator.
• Brake handle pivot.
• Brake rod bushings.
• Motion control bronze bushings.
Greasing the Bearings
The cutting unit must be lubricated daily; refer to the
Recommended Maintenance Schedule, page 27. Grease
with No. 2 general purpose lithium base or molybdenum
base grease.
Important Make sure cutting unit spindles are full of
grease daily.
1. Stop the engine, set the parking brake, remove the key
and disconnect the spark plug wire(s) from the spark
plug(s).
2. Grease the fittings on the three spindle bearings until
grease comes out lower seals (Fig. 36).
3. Grease the fittings on the push arms (Fig. 36).
M–5036
Figure 36
Checking the Tire Pressure
Maintain the air pressure in the front and rear tires as
specified. Uneven tire pressure can cause uneven cut.
Check the pressure at the valve stem after every 50
operating hours or monthly, whichever occurs first
(Fig. 37). Check the tires when they are cold to get the
most accurate pressure reading.
Pressure: 13 psi (90 kPa) drive wheels and caster wheels.
1
m–1872
Figure 37
1. Valve stem
Adjusting the Wheel Hub
Slotted Nut
Check after every 500 operating hours.
The slotted nut needs to be torqued to 125 ft-lbs
(169.5 Nm).
1. Stop the engine, set the parking brake, remove the key
and disconnect the spark plug wire(s) from the spark
plug(s).
2. Remove cotter pin.
3. Torque slotted nut to 125 ft-lbs (169.5 Nm) (Fig. 38).