Greasing And Lubrication - Toro 30320 Operator's Manual

Important Never clean the spark plug(s). Always
replace the spark plug(s) when it has: a black coating,
worn electrodes, an oily film, or cracks.
3. Check the gap between the center and side electrodes
(Fig. 32). Bend the side electrode (Fig. 32) if the gap is
not correct.
2
1
Figure 32
1. Center electrode insulator
2. Side electrode
Installing the Spark Plug
1. Install the spark plug(s). Make sure the air gap is set
correctly.
2. Tighten the spark plug(s) to 11 ft-lb (15 N m).
3. Push the wire(s) onto the spark plug(s) (Fig. 31).

Greasing and Lubrication

Service Interval/Specification
Grease with No. 2 general purpose lithium base or
molybdenum base grease.
How to Grease
1. Disengage the PTO 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. Clean the grease fittings with a rag. Make sure to
scrape any paint off the front of the fitting(s).
4. Connect a grease gun to the fitting. Pump grease into
the fittings until grease begins to ooze out of the
bearings.
5. Wipe up any excess grease.
3
0.030 in.
(.75 mm)
3. Air gap (not to scale)
(s)
29
Lubricating the Caster and Wheel
Bearings
1. Lubricate the front wheel bearings and front spindles
until grease begins to ooze out of the bearings
(Fig. 33).
2. Raise the rear of the machine and use jack stands to
support the machine.
3. Remove the rear wheel and tire assembly.
4. Remove rear wheel grease cap. Lubricate the rear
wheel bearing (Fig. 33).
5. Install the grease cap.
6. Install the rear wheel and tire assembly.
Note: Make sure the rear wheel grease caps are removed
before lubricating rear wheels.
Figure 33
Lubricating the Transmission Couplers
1. Lubricate the transmission couplers located in the back
of the machine (Fig. 34).
Figure 34
m–6367
m–5191