Changing Rear Axle Lubricant; Checking Steering Cylinder Bolt Torque; (Models 30627 & 30631 Only) - Toro 30626 Groundsmaster 328-D Operator's Manual

5. Install new filter; refer to steps 1–2 in Replacing
Hydraulic Oil Filter, for proper procedures.
6. Install drain plug in fitting between axle housing and
filter (Fig. 72).
7. Remove dipstick from axle filler tube (Fig. 73) and fill
axle to proper level with correct type of hydraulic fluid;
refer to table above.
8. Start and run the engine at idle speed for about two
minutes and turn the steering wheel lock to lock to
purge air trapped in the system. Shut the engine off.
9. Leave machine set for two additional minutes, then
remove dipstick and check fluid level in axle (Fig. 73).
If level is low, add fluid until level matches groove in
dipstick (Fig. 73). If level is too high, remove drain
plug (Fig. 72) and drain fluid until level matches
groove in dipstick.
2
Figure 73
1. Dipstick

Changing Rear Axle Lubricant

After every 400 hours of operation, the oil in the rear axle
must be changed.
1. Position machine on a level surface.
2. Clean area around the drain plugs (Fig. 74).
3. Remove plug allowing oil to drain into drain pans.
4. After oil is drained, apply thread locking compound
on drain plug threads and reinstall in axle.
5. Fill axle with lubricant; refer to Check Rear Axle.
1
2. Groove
47
1
Figure 74
1. Drain plugs
Checking Steering Cylinder
Bolt Torque
(Models 30627 & 30631 only)
Check the steering cylinder mounting bolt torque every 200
hours of operation.
1. Position the machine on a level surface.
2. Check the torque on the steering cylinder mounting
bolts. Torque should be 48–60 ft.-lb. (65–81 N⋅m).
Figure 75
1. Mounting bolt (4)
1