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Parts
Parts
Complete Pump Assemblies for S1, S3, and S4
5cc, 10cc, and 15cc Pumps
121
135
134
4
123
124
148
149
128/129
101
103
107
r_257886_3a0019_1d
F
. 26
IG
1.
Lubricate seals, o-rings, lead-in's and moving parts with
grease.
2
Apply one stripe of removable strength anaerobic sealant on
threads.
Specification sheets and Graco testing indicate that
anaerobic sealant requires three days to fully cure. Failure
to allow three days for full cure may result in parts coming
loose during operation. if faster cure time is required,
warm components to 104°F (40°C for 6 hours).
3
Torque to 50 ft-lbs (67.5 N•m).
4
Assemble and torque after displacement rod (151) is
assembled through throat retainer (118). Torque to 45 ft-lbs
(61.01 N•m).
5
Torque tie bolts (105) in star pattern to 10 ft-lbs (13.5 N•m).
Then torque again in star pattern to 50 ft-lbs (67.5 N•m).
Finally torque again in star pattern to 200 ft-lbs (271 N•m).
20
119
9
6
146
126
8
125
147
102
104
102
2
101
115
117
11
12
12
NOTICE
S1 and S3
Pumps
113
9
13
10
111
118
120
110
108
109
151
2
116
106
114
7
6
Torque to 200 ft-lbs. (271 N•m).
7
See Piston Retainer (114) Torque Specifications: on page
17 for torque specification.
8
Must be pressed straight into housing.
9
Apply anti-seize lubricant to threads.
10
Mount seals such that the non-spring end of one seal and the
non-spring end of the other seal is joined.
11
Ensure spring end of piston seal (117) faces displacement rod
(115).
12
Assemble piston rod bearing(116) and piston seal (117) onto
piston retainer (114).
13
Torque to 70 ft-lbs. (95 N•m).
14
Torque to 30 ft-lbs. (41 N•m).
15
The sharp corner of the outside diameter faces up towards the
ball cage housing (138).
S4 Pumps
136
9
13
108
108
139
137
112
141
143
108
108
139
112
111
141
110
109
138
143
108
142
108
105
5
9
14
140
138
3
9
142
15
144
137
9
14
140
3
9
15
144
3A0019ZAC
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