Graco Z-Pump Elite Series Instructions Manual page 14

Repair
12. Remove throat retainer (119).
13. Use o-ring pick and remove o-ring (145) from inside
throat retainer (119) and two throat seals (126) out
of the throat cartridge (118). see F
14. Remove throat cartridge (118) and throat cartridge
o-ring. See F . 15.
IG
125
119
145
F . 15
IG
15. Clamp flats on seal end of pump rod bottom(124) in
vise. Remove piston retainer (114), piston bearing
retainer(116), and two piston seals (117). See F
16 and F . 17.
IG
For 20cc-40cc Pumps
116 - 40cc Only
114
117
124
F . 16
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14
. 15.
IG
118
107
120
126
For 80cc-160cc Pumps
114
116
F . 17
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16. If the pump rod bottom (124) shows damage or
wear on the surface below the piston seals (117) it
should be replaced to prevent damage to new
seals.
17. Thoroughly clean all metal parts in a compatible
solvent.
.
IG
117
124
3A8563B