Adjusting The Caster Pivot Bearing; Servicing The Gear Box - Toro 74266 Operator's Manual

7. Torque the slotted nut to 125 ft-lb. (170 N•m)
(Figure 48).
8. Tighten the nut until the next set of slots line up with
the hole in the shaft (Figure 48).
9. Replace the cotter pin.
Adjusting the Caster Pivot
Bearing
Service Interval: Every 500 hours
Check after every 500 operating hours or at storage,
which ever comes first.
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 dust cap from caster and tighten lock
nut (Figure 49).
4. Tighten the locknut until the spring washers are flat
and then back off a 1/4 turn to properly set the
pre-load on the bearings (Figure 49).
Important: Make sure spring washers are
installed correctly as shown in Figure 49.
5. Install the dust cap (Figure 49).
1. Spring Washers
2. Lock Nut
Figure 49
3. Dust Cap

Servicing the Gear Box

Checking the Gear Box Oil Level
Service Interval: Every 100 hours
Yearly
Use SAE 75W–90 Synthetic Gear Lube.
1. Park the machine on a level surface.
2. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Remove the side or rear plug on the gear box.
(Figure 50).
5. The oil should be up to the opening of the gear box.
6. Add oil if needed to bring it to the correct level.
1. Gear box
2. Side plug
Changing the Gear Box Oil
Service Interval: After the first 100 hours
Contact an Authorized Service Dealer to change the
gear box oil.
40
Figure 50
3. Pulley
4. Rear plug