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

6. Through the open hole, slowly fill the planetary
with 0.65 L (22 oz) of high quality SAE 85W-140
gear lube.
Important:
If the planetary fills before the
0.65 L (22 oz) of oil is added, wait 1 hour
or install the plug and move the machine
approximately 3 m (10 ft) to distribute the oil
through the brake system. Then, remove the
plug and add the remaining oil.
7. Install the plug.
8. Repeat the procedure on the opposite
planetary/brake assembly.
Checking the Rear Axle
Lubricant
Service Interval: Every 400 hours
The rear axle is shipped from the factory filled with
SAE 85W-140 gear lube. The capacity is 2.4 L (80
oz). Visually inspect for leaks daily.
1. Position the machine on a level surface.
2. Remove a check plug from 1 end of the axle
(Figure 74) and make sure that the lubricant is
up to the bottom of the hole.
3. If the level is low, remove the fill plug
74)and add enough lubricant to bring the level
up to the bottom of the check plug holes.
Figure 74
1. Check plug
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
(Figure
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2. Fill plug
(Figure 75).
1. Drain-plug location
3. Remove the 3 oil-level check plugs and main
axle vent cap to ease in draining of the oil.
4. Remove the drain plugs and allow the oil to drain
into the pans.
5. Install the plugs.
6. Remove a check plug and fill axle with
approximately 2.4 L (80 oz) of 85W-140 gear
lube or until lubricant reaches the bottom of the
hole.
7. Install the check plug.
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.
The front measurement must be 3 mm (1/8 inch)
less than the rear measurement
1. Front of traction unit
2. 1/8 inch less than rear of
tire
2. To adjust, remove the cotter pin and nut from
either tie-rod ball joint
the tie-rod ball joint from the axle-case support.
60
Figure 75
(Figure
Figure 76
3. Center to center distance
(Figure 77) and remove
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76).
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