Changing The Hydraulic Fluid; Replacing The Hydraulic Filters - Toro Groundsmaster 4100 Operator's Manual

Figure 116
Changing the Hydraulic
Fluid
Service Interval: Every 800 hours
If the fluid becomes contaminated, contact your
local Toro distributor because the system must be
flushed. Contaminated fluid looks milky or black when
compared to clean oil.
1. Position the machine on a level surface, lower
the mower decks, shut off the engine, and
remove the key from the ignition.
2. Remove the drain plug from the bottom, front of
the reservoir and let the hydraulic fluid flow into
a large drain pan.
3. Install and tighten the plug when the hydraulic
fluid stops draining.
4. Fill the reservoir
refer to Checking the Hydraulic Fluid (page
Important:
specified. Other fluids damage the system.
1. Hydraulic reservoir
5. Install the reservoir cap, start the engine,
and use all the hydraulic controls to distribute
hydraulic fluid throughout the system.
Note:
Also check for leaks; then shut off the
engine.
6. Check the fluid level and add enough to raise
level the level to the Full mark on the dipstick.
Note:
Do not overfill.
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Replacing the Hydraulic
Filters
Service Interval: After the first 200 hours
Every 800 hours
Use Toro replacement filters Part No. 94-2621 for
the rear (mower deck) of the machine and Part No.
75-1310 for the front (charge) of the machine.
Important:
Use of any other filter may void the
warranty on some components.
1. Park the machine on a level surface, lower the
mower decks, engage the parking brake, shut
off the engine, and remove the key.
2. Replace the hydraulic filters
78
(Figure 117) with hydraulic fluid;
Use only the hydraulic fluids
Figure 117
(Figure
77).
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118).