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Repair
Pump Rod Assembly
To prevent cross-contamination of the equipment's
wetted parts, never interchange component A
(isocyanate) and component B (resin) parts.
To prevent damage to seals always use seal
installation tool (152) and rod installation tool (153)
from repair kit when assembling the piston seals
and displacement rod.
NOTE: Seal assembly tool is not needed for 10cc-30cc
pump sizes. Rod installation tool
1. Install piston seal installation tool (152) from pump
repair kit on displacement rod (115). Hand tighten.
2. Apply grease to seal and bearing surface of
displacement rod (115).
3. Install piston seal (117) and piston rod bearing
(116). Ensure piston seal springs face displacement
rod. Remove piston seal installation tool (152).
4. For 20cc-50cc pumps: Apply one stripe of
removable strength thread locker to displacement
rod (115) male threads and install piston retainer
(114). See F
IG
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.
Thread Locker
F
. 17
IG
16
NOTICE
NOTICE
. 17.
NOTICE
115
117
116
152
5. For 5cc, 10cc, 15cc, and 60cc-160cc pumps: Apply
one stripe of removable strength thread locker to
piston retainer (114) threads and assemble. See
F
. 18.
IG
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.
115
F
. 18
IG
To prevent displacement rod damage, do not clamp
directly onto displacement rod surface.
6. Clamp flats on seal end of displacement rod (115)
in vise. Torque piston retainer to displacement rod
using Piston Retainer (114) Torque
Specifications: page 17 for torque values
according to pump size.
114
NOTICE
5cc, 10cc, and 15cc pumps
116
115
117
60cc-160cc pumps
152
117
116
Thread Locker
NOTICE
Thread Locker
114
114
3A0019ZAC
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