Changing The Rear Axle Lubricant; Adjusting The Traction Drive For Neutral; Checking The Rear Wheel Toe-In - Toro 03781 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 (Figure 66).
Figure 66
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
80 oz. of 85W-140 gear lube or until lubricant is up to
bottom of hole.
7. Install check plug.
Adjusting the Traction Drive
for Neutral
The machine must not creep when traction pedal is released.
If it does creep, an adjustment is required.
1. Park machine on a level surface, shut engine off,
position speed control into LOW range and lower
cutting units to the floor. Depress only the right brake
pedal and engage the parking brake.
2. Jack up left side of machine until left front tire is off
the shop floor. Support machine with jack stands to
prevent it from falling accidentally.
3. Start engine and allow run at low idle.
4. Adjust jam nuts on pump rod end to move pump
control tube forward to eliminate forward creep or
rearward to eliminate rearward creep (Figure 67).
1. Pump rod jam nuts
5. After wheel rotation ceases, tighten jam nuts to secure
adjustment.
6. Stop the engine and release the right brake. Remove
jack stands and lower the machine to the shop floor.
Test drive the machine to make sure it does not creep.
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 (Figure 68).
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 (Figure 69). Remove tie rod ball joint
from axle case support.
48
Figure 67
2. Pump control tube
Figure 68
3. Center to center distance