Greasing The Bearings; Cleaning The Cooling Systems - Toro 74230 Operator's Manual

5. Remove grease zerk in hole. Reinstall hex plug and
cap.
Where to Add Grease
Lubricate the grease fittings as shown on the Check
Service Reference Aid decal (Fig. 43).
Figure 43
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
Service Interval Chart on 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. 44).
3. Grease the fittings on the push arms(Fig. 44).
Figure 44

Cleaning the Cooling Systems

Cleaning the Engine Screen and the Oil
Cooler
Before each use, check and clean engine screen and oil
cooler. Remove any build–up of grass, dirt or other debris
from the oil cooler screen and engine air intake (Fig. 45).
2
Figure 45
1. Engine screen
Cleaning the Engine Fins
Every 100 hours clean the engine cylinder and cylinder
head cooling fins. Also clean around carburetor, governor
levers and linkage. This will ensure adequate cooling of
the engine and will reduce the possibility of overheating
and mechanical damage.
1. Remove the panels from the engine shroud.
2. Clean the engine cooling fins.
3. Install the panels onto the engine shroud.
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M–5035
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m–3801
2. Oil cooler