Case W9 - Page 20

BRAKE SYSTEM SERVICE
The brake system requires only minor
preventive maintenance to assure a long
service life. The areas of maintenance are
the vacuum line filter, hydrovac cylinder
breather and the hydrovac cylinder.
Breather
0
fil] 68 1!09
Figure 10
The breather should be cleaned after
every 60 hours of operation and changed after
every 1000 hours of operation or yearly .
Remove the breather from the loader and
disassemble the breather by removing the
filter retaining screen retainer, screen and
filter . Clean the parts in cleaning solvent.
Soak the filter in clean engine oil and let
the excess oil drain off. Reassemble the brea-
ther and reinstall on the loader .
Filter
Figure 11
15
The filter should be cleaned after every
500 hours of operation and changed after every
1000 hours of operation or yearly.
Remove the filter from the vacuum line
and disassemble by removing the six screws,
lockwashers and nuts. Separate the filter
halves and remove the filter, screens and
gasket. Discard the gasket. Clean the parts
in cleaning solvent. Soak the filter in clean
engine oil and let the excess drain off. Re-
assemble the filter and install in the vacuum
line.
Hydrovac Cylinders
The hydrovac cylinder requires lubri-
cation after every 500 hours of operation.
To lubricate the cylinder, remove the pipe
plug from the cylinder housing, Figure 12,
and pour one (1) ounce of Case TCH oil into
the cylinder and reinstall the pipe plug.
NOTE: The engine must not be running when
servicing the hydrovac cylinder.
Figure 12