Graco A Series - Models; Table of Contents; 750 Cc Lowers

Models
2 311690M
Contents
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
750cc Lowers . . . . . . . . . . . . . . . . . . . . . . . . 2
1000cc Lowers . . . . . . . . . . . . . . . . . . . . . . . 2
1500cc Lowers . . . . . . . . . . . . . . . . . . . . . . . 3
2000cc Lowers . . . . . . . . . . . . . . . . . . . . . . . 3
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pressure Relief Procedure . . . . . . . . . . . . . . . . . 6
Disconnect the Lower . . . . . . . . . . . . . . . . . . . . . 7
Reconnect the Lower . . . . . . . . . . . . . . . . . . . . . 7
Reassemble the Coupling Rod and Tie Rods
to the Motor . . . . . . . . . . . . . . . . . . . . . . . . . 8
Replace the Throat Packings Without
Disconnecting the Lower . . . . . . . . . . . . . . . 8
Repair Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Lower Disassembly . . . . . . . . . . . . . . . . . . . . . . . 9
Clean and Inspect Parts . . . . . . . . . . . . . . . . . . 10
Lower Reassembly . . . . . . . . . . . . . . . . . . . . . . 10
Lower Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Pump Seal Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Pump Seal Repair Kit 289548 . . . . . . . . . . . 20
Pump PTFE Seal Conversion Kit 289549 . . 20
Pump Seal Repair Kit 277360 . . . . . . . . . . . 20
Pump PTFE Seal Conversion Kit 277361 . . 20
Pump Seal Repair Kit 277362 . . . . . . . . . . . 20
Pump PTFE Seal Conversion Kit 277363 . . 20
Pump Seal Repair Kit 277358 . . . . . . . . . . . 20
Pump PTFE Seal Conversion Kit 277359 . . 20
Throat Packing Kits . . . . . . . . . . . . . . . . . . . . . . . . 21
Throat Packing Kit 239868 . . . . . . . . . . . . . 21
Throat Packing Kit 239872 . . . . . . . . . . . . . 21
Throat Packing Kit 239866 . . . . . . . . . . . . . 21
Throat Packing Kit 277356 . . . . . . . . . . . . . 21
Throat Packing Kit 277357 . . . . . . . . . . . . . 21
Throat Packing Kit 24C405 . . . . . . . . . . . . . 21
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 22
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 22
Models
750cc Lowers
1000cc Lowers
Model
No. Series Material Seat
Size
(cc)
Maximum Pump
Working Pressure
psi (MPa, bar)
Rod/Cylinder
Material Connection Style
Parts
Page
289366 A SST Tungsten
Carbide
750 500 (3.4, 34) Chromex/Chrome Inlet/Outlet 1-1/2 in. tri-clamp 15
Model
No. Series Material Seat
Size
(cc)
Maximum Pump
Working Pressure
psi (MPa, bar)
Rod/Cylinder
Material Connection Style
Parts
Page
253033 A SST Tungsten
Carbide
1000 400 (2.8, 28) Chromex/Chrome Inlet: 1-1/2 in. npt
Outlet: 1 in. npt
16
24E783 A SST SST 1000 400 (2.8, 28) Chromex/Chrome Inlet: 1-1/2 in. npt
Outlet: 1 in. npt
16
253061 A CST Tungsten
Carbide
1000 400 (2.8, 28) Chromex/Nitride Inlet: 1-1/2 in. npt
Outlet: 1 in. npt
16
253398 A SST Tungsten
Carbide
1000 400 (2.8, 28) Chromex/MaxLife Inlet: 1-1/2 in. bspp
Outlet: 1-1/4 in. bspp
16
253423 A SST Tungsten
Carbide
1000 400 (2.8, 28) Chromex/Chrome Inlet: 1-1/2 in. bspp
Outlet: 1-1/4 in. bspp
16
253520 A SST Tungsten
Carbide
1000 400 (2.8, 28) Chromex/Chrome Inlet/Outlet 1-1/2 in. tri-clamp 16
253523 A SST Tungsten
Carbide
1000 400 (2.8, 28) Chromex/MaxLife Inlet/Outlet 1-1/2 in. tri-clamp 16
253568 A SST Tungsten
Carbide
1000 400 (2.8, 28) Chromex/MaxLife Inlet: 1-1/2 in. npt
Outlet: 1 in. npt
16