Toro 34231, Operator'S Manual

Page: 69 / 84

Hydraulic System
Maintenance
Hydraulic Fluid
Specification
Preferred fluid: Toro Hypr-Oil 500
Optional fluid: 15W-50 API rating CI-4/CF hydraulic
fluid
Checking the Hydraulic
Fluid Level
Service Interval: Before each use or daily
1. Prepare the machine for maintenance; refer to
Preparing the Machine (page 49) .
2. Remove the knee pad; refer to Removing the
Knee Pad (page 49) .
3. Check the hydraulic fluid level in the tank ( Figure
100 ).
Important:
When the hydraulic fluid level is
correct, it is between the full and add marks
on the fluid-level decal.
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Figure 100
1. Hydraulic tank 3. Full mark (fluid-level decal)
2. Cap 4. Add mark (fluid-level
decal)
4. If the hydraulic fluid level is low, perform the
following:
A. Remove the cap ( Figure 100 ).
B. Add the specified hydraulic fluid until it is
level with the full mark on the fluid-level
decal (
Figure 100 ); refer to Hydraulic Fluid
Specification (page 69) .
C. Install the cap ( Figure 100 ).
5. Install the knee pad; refer to Installing the Knee
Pad (page 50) .
Changing the Hydraulic
Fluid and Filter
Service Interval: After the first 100 hours
Every 500 hours/Yearly (whichever comes first)
Hydraulic fluid quantity: 2.4 L (2.5 US qt)
1. Prepare the machine for maintenance; refer to
Preparing the Machine (page 49) .
2. Remove the knee pad; refer to Removing the
Knee Pad (page 49) .
3. Clean area around hydraulic filter and filter head
(
Figure 101 ).
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Figure 101
1. Hydraulic filter and filter head
4. Align a drain pan with a 3 L (3 US qt) or greater,
under the filter (
Figure 102 ).
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