Belt Maintenance
Tensioning the Alternator Belt
1. Prepare the machine for maintenance.
2. Open the hood.
G416989
3. Check the tension of the alternator belt by
pressing it midway between the alternator and
the crankshaft pulleys.
Note: With 10 kg (22 lb) of force, the belt
should deflect 11 mm (7/16 inch).
4. If the deflection is incorrect, complete the
following procedure to tension the belt:
A. Loosen the bolts securing the alternator to
the brace
and the alternator pivot bolt
.
B. Insert a pry bar between the alternator and
the engine and move the alternator
outward.
C. When you achieve proper belt tension,
tighten the bolts securing the alternator to
the brace, and the alternator pivot bolt.
5. Close and latch the hood.
Hydraulic System Maintenance
Hydraulic Fluid Specifications
The reservoir is filled at the factory with high-quality hydraulic fluid. Check the level of the
hydraulic fluid before you first start the engine and daily thereafter.
Recommended hydraulic fluid: Toro PX Extended Life Hydraulic Fluid; available in 19 L (5
US gallon) pails or 208 L (55 US gallon) drums.
Note: A machine using the recommended replacement fluid requires less frequent fluid and
filter changes.
Alternative hydraulic fluids: If Toro PX Extended Life Hydraulic Fluid is not available, you
may use another conventional, petroleum-based hydraulic fluid having specifications that
fall within the listed range for all the following material properties and that it meets industry
standards. Do not use synthetic fluid. Consult with your lubricant distributor to identify a
satisfactory product.
Note: Toro does not assume responsibility for damage caused by improper substitutions, so
use products only from reputable manufacturers who will stand behind their
recommendation.
3464-478A Page 6–36 Maintenance: Belt Maintenance
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