FILTERS BALDWIN

Catalog Baldwinfilters for tractors

Auto Parts / Whenever a remote cylinder is
DON’T plugged, trapped air must be bled to
INVITE prevent sluggish action of the
cylinder. Noise in the hydraulic
DIRT
system may also be caused by
inadequate oil flow. A noisy or hot
hydraulic pump is usually not getting
COVER
enough oil.
THOSE
COUPLINGS!
SELECTING
HYDRAULIC OIL
If the system is regularly low on oil,
look for leaks or cracks in the system.
Follow the equipment manufacturer’s
Hold a piece of cardboard near where
recommendation in selecting
you suspect a leak. Hydraulic fluid
hydraulic fluid. That is the fluid that
under pressure is dangerous, it will
meets the needs of the system
pierce the skin. Protection is also
whether it is a simple cylinder,
needed for your eyes.
precision hydraulic pump, or a
Pinched or dented lines can cause common reservoir for both hydraulic
oil foaming, overheating and loss of and transmission systems.
hydraulic power.
The fluid specified may be the
If you find it necessary to replace standard API service classification of
hoses or tubes, wash the new lines SM. It may be a special antiwear
inside and out with clean hydraulic hydraulic oil. It may be a four-way oil
or transmission fluid of the type such as Allis Chalmers A-26 Fluid,
regularly used in the system. Case TCH Fluid, Ford M2C41-A
(Solvents are not suitable and could Fluid, IHC Hy-Tran B-6 Fluid or John
cause problems.) Deere 303 Special-Purpose Fluid.
When you connect or tighten hose Some fluids used as transmission-
fittings, use two wrenches to avoid hydraulic fluids, which also operate
twisting lines. Tighten only until snug. wet brake or wet clutch systems,
require additives to control chatter.
When inspecting hoses, look for
All of the four-way oils listed in the
cracking, splitting, pinhole leaks,
previous paragraph have the
rubbing, heat damage, twisting or
following characteristics in common:
improper routing. Hydraulic fluid will
foam if there is air trapped inside. 1. High oxidation stability for
Air leaks will cause the fluid to long life protection.
oxidize rapidly, forming harmful gum
and sludge. 2. Low pour point for low
temperature service and
Noisy hydraulic systems usually
cold starting.
have air in them. Bleed air from
cylinders by running them at least 3. High viscosity index for best
four times from fully retracted to fully viscosity under various
extended position. operating temperatures.

1256 / Auto Parts

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