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Drive System
Maintenance
Changing the Front-differential
Oil (4-wheel drive models only)
Service Interval: Every 800 hours
Differential-oil specification: Mobil 424 hydraulic oil
1. Position the machine on a level surface, stop the
engine, set the parking brake and remove the key from
the ignition switch.
2. Clean the area around the drain plug on the side of the
differential (Figure 53).
3. Place a drain pan under the drain plug.
Figure 53
1. Fill/check plug
4. Remove the drain plug and let the oil flow into the
drain pan.
5. Install and tighten the plug when the oil stops draining.
6. Clean the area around the fill/check plug on the
bottom of the differential.
7. Remove the fill/check plug and add specified oil until
the oil level is up to the hole.
8. Install the fill/check plug.
Inspecting the
Constant-velocity Boot
(4-wheel drive models only)
Service Interval: Every 200 hours
Inspect the constant-velocity boot for cracks, holes, or a loose
clamp. Contact your Authorized Toro Distributor for repair
if you find any damage.
2. Drain plug
Adjusting the Shift Cables
Service Interval: After the first 10 hours
Every 200 hours
1. Move the shift lever to the Neutral position.
2. Remove the clevis pins securing the shift cables to the
transaxle-shift arms (Figure 54).
1. Shift arm (1st to reverse)
2. Shift arm (2nd to 3rd)
3. Loosen the clevis jam nuts and adjust each clevis, so
that the cable free play is equal forward and backward
relative to the hole in the transaxle-shift arm (with the
transaxle lever free play taken up in the same direction).
4. Install the clevis pins and tighten the jam nuts when
finished.
Adjusting the High–Low Cable
Service Interval: Every 200 hours
1. Remove the clevis pin securing the High–Low cable to
the transaxle (Figure 54).
2. Loosen the clevis jam nut and adjust the clevis so that
the clevis hole aligns with the hole in the transaxle
bracket.
3. Install the clevis pin and tighten the jam nut when
finished.
Adjusting Differential-lock
Cable
Service Interval: Every 200 hours
1. Move the differential-lock lever to the Off position.
2. Loosen the jam nuts securing the differential-lock cable
to the bracket on the transaxle (Figure 55).
47
Figure 54
3. Shift arm (High to low)
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