Graco Dyna-Star 77X000 Instructions Manual page 23

21. Use a punch and hammer to tap out pins (217) hold-
ing the rod sections together (F
hands to unscrew shovel rod (215) and spacer rod
(212) from piston (213).
215
217
F . 31
IG
22. Remove piston seal (214) from piston (213). Dis-
card piston seal (214) and pins (217). New replace-
ment parts are included in the kit.
23. Visually inspect rod sections and the inside surface
of pump cylinder (204) to verify they are not bent or
damaged following disassembly. A pump with bent
and/or damaged parts will not hold pressure and/or
operate efficiently.
24. Separate spacer cylinder (205) from pump adapter
(2) using a strap wrench to loosen cylinder. When
cylinder (205) is loose enough, use your hands to
unscrew and remove it from the pump.
25. Remove gasket seal (206) from inside pump
adapter (2) if it did not come out with the spacer cyl-
inder (205). Discard gasket seal. Use gasket seal
included in the kit for reassembly.
26. Use a socket to loosen hex nut (201) and remove it
from the pump adapter (2) (F
332514J
. 31). Use your
IG
213
214
217
. 32).
IG
2
212
F . 32
IG
27. Use the displacement rod (212) to push the packing
u-cup (202) out of the pump adapter (2) in the direc-
tion shown in F
one is included in the kit.
2
F . 33
IG
201
. 33. Discard u-cup (202). A new
IG
202
212
Repair
23