Graco Python A25177 Instructions Manual page 25

Chemical injection pump
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Pump Repair
1. Remove packing nut (16) from fluid cylinder (13).
2. Carefully remove bearings (14) and packing (15)
from the fluid cylinder (13).
Seal lips
facing down
12
F
. 8 Remove parts from fluid cylinder
IG
3A4386C
3. Replace packing (15) and bearings (14), if neces-
sary. Lubricate prior to reassembly.
5
16
14
15
14
13
F
. 9 Packing (15) detailed view
IG
4. Reinsert the packing nut (16), packing (15), and
bearings (14) into the fluid cylinder (13). Tighten
hand tight and back off ½ of a turn to prevent dam-
age to packing (15) during reassembly.
Tan
Gray
Gray
Gray
Tan
Repair
Black
25

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