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Purge S-Tine Hydraulic
Harrow System
The S-Tine Hydraulic Harrow should be purged of air
before operation.
WARNING
Escaping hydraulic fluid can cause serious
personnel injury. Relieve system pressure before
repairing, adjusting, or disconnecting. Wear
proper hand and eye protection when searching
for leaks. Use cardboard instead of hands (See
Figure 2-36.) Keep all components (cylinders,
hoses, fittings, etc.) in good repair.
Figure 2-36: Hydraulic Leak Detection
1. Check to make sure that the tractor hydraulic
reservoir is full of the manufacturer's recommended
hydraulic oil before raising/lowering the S-Tine
Hydraulic Harrow.
2. Slowly raise the S-tine Hydraulic Harrow until both
Harrow Cylinders are fully extended. Lower and raise
the Harrow to verify that both cylinders are working
throughout the stroke. Fully extend the Harrow
Cylinders and continue to hold the lever until both
Cylinder Rods movement stops. Raise/lower Harrow
5 times to purge air from the system.
3. Do not loosen any hoses or fittings.
4. Recheck tractor reservoir to make sure it is within
operating limits.
S-Tine Hydraulic Harrow Circuit approximate oil
requirement: 0.35 gallons
2-40
TABLE OF CONTENTS
F-1021-0422
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