TM 5-3820-239-15
c. Swing Cylinder. Disassemble swing cyl-
6-53. Cleaning
inder in the numerical sequence as illustrated
Clean all parts with an approved solvent,
and blow dry with compressed air.
procedures:
6-54. Inspection and Repair
(1) Pry snap ring (20, fig. 621) out of
a. Inspect all parts for wear and damage.
the groove in cylinder head (13).
b. I n s p e c t a l l h a r d w a r e f o r d a m a g e d
(2) Using a suitable spanner
wrench,
threads. Retap or rechase threads if stripped
unscrew cylinder head (13),
and slide
or crossed, or replace if unserviceable.
piston rod assembly (21)
with all
6-55. Reassembly
parts attached, out of barrel
assembly
a. Swing Cylinder. Reassemble swing cyl-
(22).
inder in reverse of numerical sequence as
Note. The cylinder head cannot be re
moved when unscrewed, since it will not
b. Dump Cylinder. Reassemble dump cyl-
fit over the fitting of the piston rod.
inder in reverse of numerical sequence as
(3) Remove lock nut (8), and take all
parts off piston rod assembly (21)
c. Power Dump and Swing Assembly. Re-
from the nut end of the rod.
assemble power dump and swing assembly in
reverse of numerical sequence as illustrated on
(4) After sliding cylinder head (13) off
piston rod assembly (21) remove
the parts (16 through 19) from the
cylinder head.
Install power dump and swing assembly as
(5) Discard all O-rings.