Grinder Maintenance - Toro STX-38 Operator's Manual

6. Place a drain pan capable of holding 38 L (10
US gallons) under the hydraulic tank.
7. Remove the hydraulic tank drain plug and allow
the fluid to drain into the pan
Figure 62
1. Hydraulic tank drain plug
8. When finished, install and tighten the drain plug.
Note:
Dispose of the used oil at a certified
recycling center.
9. Fill the hydraulic tank with hydraulic fluid; refer
to Hydraulic Fluid Specifications (page
10. Install the hydraulic filter and filler cap
61) and torque bolt on top to 21 to 25 N∙m (200
to 240 inch-lb).
11. Start the engine and let it run for a few minutes.
12. Shut off the engine.
13. Check the hydraulic fluid level and top it off if
necessary; refer to
Level (page 38).
14. Clean up any spilled fluid.
15. Install the top cover.
(Figure 62).
37).
(Figure
Checking the Hydraulic-Fluid

Grinder Maintenance

Replacing the Teeth
Service Interval: Before each use or daily—Check
Due to the high amount of wear placed on the teeth,
you need to rotate and replace them periodically
(Figure 63).
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1. Sharp tooth
Each tooth is indexed with 3 positions so you can
rotate it twice, exposing a new sharp edge before
replacing the tooth. To rotate a tooth, loosen the nut
securing the tooth
and rotate it one third of a turn, bringing an unused
edge to the outside. Torque the nut securing the tooth
to 37 to 45 N∙m (27 to 33 ft-lb).
To replace a tooth, remove the nut securing the tooth
to remove it, then install a new tooth, spacer, and
nut in the same position
securing the tooth to 37 to 45 N∙m (27 to 33 ft-lb).
39
the condition of the teeth; rotate
or replace any that are worn or
damaged and torque the nuts for all
teeth.
Figure 63
2. Worn tooth
(Figure 64). Push the tooth forward
(Figure 64). Torque the nut
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