Checking The Rear-Axle-Gearbox Lubricant; Checking The Rear Wheel Toe-In - Toro Groundsmaster 4500-D Operator's Manual

Checking the
Rear-Axle-Gearbox
Lubricant
Service Interval: Every 400 hours
The gear box is filled with SAE 85W-140 gear lube.
The capacity is 0.5 L (16 fl oz). Visually inspect for
leaks daily.
1. Position the machine on a level surface.
2. Remove the check/fill plug from the left side of
the gear box and ensure that lubricant is up to
the bottom of the hole
Note:
If the level is low, add enough lubricant to
bring the level up to the bottom of the hole.
Figure 68
1. Gearbox
Checking the Rear Wheel
Toe-In
Service Interval: Every 800 hours/Yearly (whichever
comes first)
1. Measure the center-to-center distance (at axle
height) at the front and rear of the steering tires
(Figure 69).
Note:
The front measurement must be 3 mm
(1/8 inch) less than the rear measurement.
(Figure 68).
g011488
2. Check/fill plug
1. Front of the machine
2. 3 mm (1/8 inch) less than
the rear measurement
2. To adjust, remove the cotter pin and nut from
either tie rod ball joint
tie-rod ball joint from the axle-case support.
1. Tie-rod clamp
3. Loosen the clamps at both ends of the tie rods
(Figure 70).
4. Rotate the detached ball joint inward or outward
1 complete revolution and tighten the clamp at
the loose end of the tie rod.
5. Rotate the entire tie-rod assembly the same
direction (inward or outward) 1 complete
revolution and tighten the clamp at the
connected end of the tie rod.
6. Install the ball joint in the axle-case support,
tighten the nut finger-tight, and measure the
toe-in.
7. Repeat procedure if necessary.
8. Tighten the nut and install a new cotter pin when
the adjustment is correct.
56
Figure 69
3. Center to center distance
(Figure 70). Remove the
Figure 70
2. Tie-rod ball joint
g009169
g009718