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 TM 10-3930-644-14&P
2. Tilt Cylinders.
a. Filter housing has a large hexagon head
cast at the base of the housing. Use an
After each 50 hours of operation, check cylinder
appropriate wrench to loosen and remove
hoses and fittings for leaks; correct if necessary.
filter housing and element. Type It filters
Check cylinder mountings and make certain
require removal of four attaching
yoke is tight on plunger so plunger does not
capscrews.
rotate in cylinder. Also lubricate yoke pins.
NOTE
3. Filter Element Replacement
O Ring will came out with housing as
it is seated in a groove in the upper
After the initial 50 hours of operation the filter
end of the housing.
element (Fig 1-2) must be replaced and the filter
housing flushed.
b. Remove O Ring from housing and discard
it.
E. 200 HOUR SERVICE
c. Discard old filter element. Thoroughly
1. Filter Element Replacement
clean inside of filter head and housing;
inspect for any defects.
Replace
A filter is installed in the hydraulic system
damaged parts if necessary.
between control valve and oil reservoir to
provide complete filtering of the hydraulic oil.
d. Place a light coat of clean hydraulic oil on
This filter is a bypass type and therefore
new O Ring and carefully install O Ring in
contains a bypass valve which permits oil to
groove in upper end of housing.
Be
bypass a clogged element and flow directly to
careful not to over-stretch or tear O Ring.
the reservoir. The element is the paper type and
cannot be cleaned; it must be replaced.
e. Insert new element into housing and
install housing into filter head.
Hand
After each operating interval of 200 hours,
tighten and make certain element center
replace element (Fig 1-2) as follows:
hole aligns properly within filter head.
f. Use a wrench and tighten housing to
Figure 1-2. Hydraulic Oil Filters
2-86
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