Changing The Rear-Axle Lubricant; Checking The Rear Wheel Toe-In; Changing The Front Tires - Toro Groundsmaster 4100 Operator's Manual

Changing the Rear-Axle
Lubricant
Service Interval: After the first 200 hours
Every 800 hours
1. Position the machine on a level surface.
2. Clean the area around the 3 drain plugs; 1 on
each end and 1 in the center
3. Remove the check plugs to ease in the draining
of the oil.
4. Remove the drain plugs and allow the oil to drain
into the pans.
Figure 108
1. Drain-plug location
5. Clean the area around the drain plug at the
bottom of the gearbox
6. Remove the drain plug from the gearbox and
allow the oil to drain into a pan.
Note:
Remove the fill plug to ease in the
draining of the oil.
Figure 109
1. Drain plug
(Figure 108).
g011509
(Figure 109).
g011558
7. Add enough oil to bring the level up to the bottom
of the check plug holes; refer to
Rear-Axle Lubricant (page
the Rear-Axle-Gearbox Lubricant (page
8. Install the plugs.
Checking the Rear Wheel
Toe-In
Service Interval: Every 800 hours
1. Measure the center-to-center distance (at axle
height) at the front and rear of the steering tires.
Note:
The front measurement must be 6 mm
(1/4 inch) less than the rear measurement.
2. To adjust, loosen the clamps at both ends of the
tie rods.
3. Rotate the tie-rod end to move the front of the
tire inward or outward.
4. Tighten the tie-rod clamps when the adjustment
is correct.

Changing the Front Tires

1. Lower the wing mower decks to the ground.
2. Raise the front of the machine several inches off
the ground and support it with jackstands.
3. Refer to Pivoting (Tilting) the Center Mower
Deck to the Upright Position (page
4. Pivot the mower deck forward so you can
remove the tire.
72
Changing the
72), and Checking
71).
80).