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Hydraulic Oil, Filters, and Components
Filters and Oil - Change the return filter tank and suction filters after the first 100 hours of operation. Change
the filters again at 500 hours or every 12 months. Change the oil after the first 400 hours or operation. After
that, continue to change the oil every 800 hours or every 12 months. Hydraulic oil to be used is, Chevron 1000
THF or equivalent. Speed Increaser uses SAE 90 wt. Spindle Housing uses NLGI000 Grease (Alamo Group
P/N 00765444). Use the above procedures as part of a good filter maintenance program.
Note: Your ambient temperature and operating conditions may require a different viscosity oil. Please consult
the oil manufacturer for proper specifications.
Between filter changes, monitor condition of filter by reading pressure gauge mounted on filte r on top of the
tank. If pressure reads 15 psi or greater at 1800 engine speed and normal operating temperature (140 deg. F.
or greater) filter element should b e ch anged. Pre ssure ga uges ar e color cod ed to h elp ind icate wh en to
change element.
Keep a ll hoses an d a dapters tight. Re pair a ny lea ks imme diately. Do n ot over tighten hose end fittings.
Tighten to specifications only. (See Chart Below)
Check the hydraulic oil level daily.
BLADES
Check the Blades for cracks and wear and Blade Bolts for t ightness, daily. Blades should be replaced when
they are worn excessively bent, deformed, or out of balance.
Blades should always be replaced in pairs. Blades of different weights can cause serious
imbalance and damage to the machine and personnel. When replacing blades, take care to
replace the blade bolts, nuts, and washers.
ABOOM 03/09
©2009 Alamo Group Inc.
MAINTENANCE
Maintenance Section 4-3
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