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1. Remove the dust cap and adjust the caster pivots. Keep
dust cap off until greasing is done. Refer to Adjusting
the Caster Pivot Bearing, page 45.
2. Remove the hex plug. Thread a grease zerk into hole.
3. Pump grease into zerk until it oozes out around top
bearing.
4. Remove grease zerk in hole. Reinstall hex plug and
cap.
Greasing the Spindles
The cutting unit must be lubricated weekly or every
25 hours. Grease with No. 2 general purpose lithium base
or molybdenum base grease.
Important
Make sure cutting unit spindles are full of
grease weekly.
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the belt covers.
4. Grease the three spindle bearings under the pulleys
until grease comes out the lower seals (Fig. 50).
5. Grease the fittings on the push arms (Fig. 50).
m–6822
Figure 50
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
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. 51). Check the tires when they are cold to get the
most accurate pressure reading.
Pressure: 13 psi (90 kPa) drive wheels and caster wheels
Figure 51
1. Valve stem
Servicing the Hydraulic
System
Checking the Hydraulic Fluid
Check the hydraulic fluid level:
Before the engine is first started.
After the first 8 operating hours.
After every 25 operating hours.
Fluid Type: Mobil 1 15W-50 synthetic motor oil or
equivalent synthetic oil.
Important
Use oil specified or equivalent. Other
fluids could cause system damage.
Hydraulic System Oil Capacity: 67 oz. (2.0 l)
40
1
m–1872
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