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

1. Check plug
Changing the Rear-Axle
Lubricant
Service Interval: After the first 200 hours
Every 800 hours
Lubricant specification: high-quality SAE 85W-140
gear lubricant
Axle capacity: 2.4 L (80 fl oz)
1. Park the machine on a level surface, engage the
parking brake, lower the cutting units, shut off
the engine, and remove the key.
2. Clean the area around the 3 drain plugs—1 on
each end and 1 in the center
1. Drain-plug location
3. Remove the oil-level check plugs and the
main-axle-vent cap to ease draining the gear
lubricant.
4. Remove the drain plugs and allow the gear
lubricant to drain into the pans.
5. Install the plugs.
6. Remove a check plug and fill the axle with
approximately 2.4 L (80 fl oz) of 85W-140 gear
Figure 72
2. Fill plug
(Figure 73).
Figure 73
lube or until the lubricant is up to the bottom of
the hole.
7. Install the check plug.
Checking the
Rear-Axle-Gearbox
Lubricant
Service Interval: Every 400 hours
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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. Park the machine on a level surface, engage the
parking brake, lower the cutting units, shut off
the engine, and remove the key.
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.
1. Gearbox
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Checking the Rear Wheel
Toe-In
Service Interval: Every 800 hours/Yearly (whichever
1. Park the machine on a level surface, engage the
parking brake, lower the cutting units, shut off
the engine, and remove the key.
2. Measure the center-to-center distance (at axle
height) at the front and rear of the steering tires
(Figure 75).
60
(Figure 74).
Figure 74
2. Check/fill plug
comes first)
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