SprayTECH GPX 165 User manual

0306 © 2006 SprayTECH. All rights reserved. Form No. 0555890A
Printed in the U. S. A.
GPX 165
Gas Piston Pump
Do not use this equipment before reading this manual!
SprayTECH
1770 Fernbrook Lane
Minneapolis, MN 55447
Technical Assistance: 1-800-292-4637
Order Entry: 1-800-443-4500
Fax: [phone]
www.spraytechinc.com
Owner’s Manual
Model Numbers:
Bare 0509009
Complete 0509039
Bare w/5 Gal. Siphon 0509055
Complete w/5 Gal. SIphon 0509059
NOTE: This manual contains important warnings and
instructions. Please read and retain for reference.

22 © SprayTECH. All rights reserved.
Parts List
Main Assembly
815
16
9
10
13
14
11
12
7
3
4
5
6
1
2
17
18
19
20
21
22
23
Item Part # Description Quantity
1 0509550 Hex screw...................................................4
2 ---------- Engine.........................................................1
3 ---------- Drive assembly ...........................................1
4 0509635 Screw..........................................................1
5 0509634 Port plug .....................................................1
60509627 Controller cover ..........................................1
7 0509939 Front cover w/ label ....................................1
80509552 Screw..........................................................4
9 0509520 Connecting pin............................................1
10 0509521 Retaining ring..............................................1
11 0509144 Fluid section assembly ...............................1
12 0509651 Siphon tube.................................................1
13 0507783 Hose clip.....................................................1
Item Part # Description Quantity
14 5006536 Inlet screen .................................................1
15 ---------- Filter assembly............................................1
16 0508343 Fitting, 3/8”..................................................1
17 ---------- Cart assembly.............................................1
18 0509551 Lock nut ......................................................4
19 0507786 Lock washer................................................2
20 0507787 Hex screw...................................................2
21 0555201 Wire harness...............................................1
22 0509553 Screw..........................................................2
23 0509928 Grounding cable .........................................1
24 0507785 Return hose (not shown) ............................1
25 0507387 Hose, high pressure (not shown) ...............1

© SprayTECH. All rights reserved. 23
Item Part # Description Quantity
1 9850936 ON/OFF switch ...........................................1
2 0509558 Electronic pressure control assembly.........1
3 0509556 Screw..........................................................4
4 0507973 Potentiometer .............................................1
5 9800340 Ground screw .............................................1
6 0509495 Gasket ........................................................1
7 0509562 Ball..............................................................2
8 0509564 Gear assembly............................................1
9 0509559 Thrust washer.............................................1
10 0555188 Pump housing.............................................1
11 0509155 Slider assembly ..........................................1
12 0509541 Washer........................................................4
13 0509539 Socket screw, 2.25” ....................................2
14 0509540 Socket screw,2” .........................................2
15 0509561 Socket screw ..............................................4
16 53171 Lock washer................................................4
17 0509157 Slider housing.............................................1
18 0509565 Retaining ring..............................................1
19 0509567 Drive shaft assembly ..................................1
20 0555902 Clutch field assembly..................................1
21 0507748 Cap .............................................................1
Item Part # Description Quantity
22 0507740 Pressure control knob.................................1
23 0507749 Seal nut.......................................................1
24 0509557 Mounting plate ............................................1
25 0507784 Grommet, 7/16”...........................................1
26 0509531 Grommet, liquid tight ..................................1
27 0555189 Gear housing ..............................................1
28 0509573 Set screw....................................................6
29 0509563 Thrust bearing.............................................1
30 0509574 Plug.............................................................1
31 0509538 Screw..........................................................4
32 0555633 Clutch housing............................................1
33 0509619 Clutch hub...................................................1
34 0509570 Clutch hub and armature
(includes items 28(2), 33, and 35)..............1
35 0509571 Taper lock bushing (includes item 28(2))....1
36 0509566 Socket screw ..............................................3
37 0295694 Lock washer................................................3
38 0509568 Clutch rotor .................................................1
39 0555621 Engine.........................................................1
40 0509569 Hex screw...................................................4
41 0507786 Lock washer................................................4
NOTE: All electrical work should be performed by a
SprayTECH authorized service center.
Drive Assembly
39
3
1
4
8
9
10
15
16
13
14
11
17
12
7
6
5
2
34
35
33
28
36
37
38
40
41
21
22
23
24
25
29
28
27
30
32
31
26
20
19
18

24 © SprayTECH. All rights reserved.
Fluid Section Assembly (P/N 0509144)
1
2
3
4
6
10
13
14
15
16
7
8
9
21
17
18
20
22
23
19
11
5
12
24
Install lower packing with
large beveled edge
facing up.
Install upper packing
with large beveled
edge facing down.
Large Beveled Edge
Large Beveled Edge
Item Part # Description Quantity
1 0509536 Upper seal retainer .....................................1
2 0509430 Adapter ring ................................................1
3 0509935 Upper packing assembly ............................1
4 0509505 Jam nut.......................................................1
5 0509709 Fitting ..........................................................1
6 0509937 Cylinder.......................................................1
7 0509936 Lower packing assembly ............................1
80509527 Lower support ring......................................1
9 0509683 Seal washer................................................1
10 0509938 Piston..........................................................1
11 0509648 Outlet valve seal.........................................1
12 0509601 Outlet cage .................................................1
13 0509710 Outlet valve ball..........................................1
14 0507454 Nylon washer..............................................1
15 0509655 Outlet valve seat.........................................1
16 0507733 Outlet valve retainer ...................................1
17 0509602 Inlet cage ....................................................1
18 0509707 Inlet valve ball.............................................1
19 0509623 Inlet valve seat............................................1
20 0509708 O-ring, Teflon ..............................................1
21 0509652 Viton o-ring .................................................1
22 0509653 Back-up ring, Teflon....................................1
23 0509533 Foot valve ...................................................1
24 0509148 Piston assembly
(includes items 10–16) ...............................1
0509940 Repacking kit (includes items 2, 3, 7, 9, 11,
13, 14, 18, 20, 21, and 22)
0509934 Lower packing insertion tool
NOTE: When repacking the fluid section, make sure
the raised lip on the bottom of the lower
packing is fully outside the packing around
the piston rod after insertion of the piston rod.

© SprayTECH. All rights reserved. 25
Cart Assembly
Item Part # Description Quantity
1 0507766 Handle (includes items 2–5, 11, and 12)....1
2 9841504 Snap button ................................................2
30295609 Handle washer............................................2
4 0295610 Roll pin........................................................2
5 0295607 Handle sleeve.............................................2
6 0555603 Strain relief..................................................2
7 0507784 Grommet.....................................................3
80509625 Axle cap......................................................2
90509626 Wheel spacer..............................................2
10 9885571 Plug.............................................................2
110509386 Lock washer................................................4
12 0295608 Screw..........................................................4
13 0555218 Cart (includes item 10) ...............................1
14 0509624 Wheel .........................................................2
11
12
13
14
8
2
3
4
5
7
6
9
10
1
Filter Assembly
Item Part # Description Quantity
1 0508723 Filter body...................................................1
20508602 Filter spring.................................................1
3 0508748 Filter, 60 mesh (standard)...........................1
0508451 Filter, 30 mesh (optional)
0508452 Filter, 100 mesh (optional)
4 0508603 Adapter .......................................................1
5 0508749 Filter support spring....................................1
6 0508725 O-ring, Teflon ..............................................1
7 0507737 Transducer..................................................1
8 0509420 Plug, 3/8” ....................................................1
9 0509738 Outlet fitting, 3/8” ........................................1
10 0295697 Plug, 1/4” ....................................................1
110555625 Filter housing ..............................................1
12 0507690 PRIME/SPRAY valve assembly..................1
7
10
8
9
11
12
1
2
3
4
5
6

26 © SprayTECH. All rights reserved.
PRIME/SPRAY Valve Assembly
(P/N 0507690)
Item Part # Description Quantity
1 0507736 Dowel pin....................................................1
20507745 Gasket ........................................................1
3 5000529 O-ring, Teflon ..............................................1
4 0507741 O-ring, Viton................................................1
5 0507744 Valve housing .............................................1
6 0507746 Valve seat ...................................................1
7 0507743 Valve stem ..................................................1
8 5006547 O-ring, Viton................................................1
9 0507747 Spring .........................................................1
10 0507742 Valve retainer..............................................1
11 0507735 Cam base ...................................................1
12 5006543 Groove pin ..................................................1
13 0508330 Label, SprayTECH......................................1
14 0507662 Valve handle ...............................................1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
5Gallon Siphon Set (optional)
Item Part # Description Quantity
1 0507964 Return hose ................................................1
2 0509185 Siphon hose................................................1
35006536 Inlet screen .................................................1
4 0507783 Clamp .........................................................1
5 0509727 Swivel elbow...............................................1
6 0509760 Adapter .......................................................1
70509761 Hose clamp.................................................1
80509788 Clip..............................................................1
9 0509789 Spring .........................................................1
55 Gallon Siphon Set
(optional, P/N 0507977)
1
2
3
5
4
6
8
9
7

© SprayTECH. All rights reserved. 27
Accessories
Part No. Description
0550xxx Tip Assembly
0297078 Tip Guard (11/16”)
0297070 Tip Guard (7/8”)
0508342 Hose, 25’ x 3/8”
0291006 Hose, 50’ x 3/8”
0291002 Hose, Wireless, 25’ x 1/4"
0291000 Hose, Wireless, 50’ x 1/4"
0093896 Hose Connector, 1/4” x 1/4”M
0088162 Fitting, 3/8” M x 1/4” M
0088160 Fitting, 3/8” M x 3/8” M
0088154 Pressure Gauge, 0–5000 PSI
0152001 Power Roller Gun Attachment, 11/16”
0152308 9" Roller Cover, 3/8” Nap
0152307 9" Roller Cover, 1/2” Nap
0152309 9" Roller Cover, 3/4” Nap
0152310 9" Roller Cover, 1-1/4” Nap
0152235 12" Roller Cover, 1/2" Nap
0152236 12" Roller Cover, 3/8" Nap
0152237 12" Roller Cover, 3/4" Nap
0152238 12" Roller Cover, 1-1/4" Nap
0093930 Anti-Seize Compound
0152909 R-10 Telescoping Roller, 9", 3/8" Nap
0152900 R-10 Telescoping 12" Roller, 3/8" Nap
0296329 G-10 XL Four Finger Airless Spray Gun (no tip)
0296235 G-10 XL Four Finger Airless Spray Gun with
517 reversible tip
0296260 G-10 XL Two Finger Airless Spray Gun (no tip)
0296236 G-10 XL Two Finger Airless Spray Gun with
517 reversible tIp
0296326 G-10 XL Four Finger Spray Pack with 50’ x 1/4”
airless hose
0296327 G-10 XL Two Finger Spray Pack with 50” x 1/4”
airless hose
0296297 G-12 XL Airless Spray Gun with
517 reversible tIp
0296330 G-12 XL Spray Pack with 50’ x 1/4” airless hose
0296470 G-15 XL Airless Spray Gun with
517 Reversible TIp
0296328 G-15 XL Spray Pack with 50’ x 1/4” airless hose
0279920 Separating oil
0507958 Electrostatic discharge (ESD) wrist strap
9870307 Grease, 6 lb. can
Electrical Schematic
Labels
Part # Description
0555898 Logo label, front
0295840 Warning label, explosion
0295841 Warning label, injection
0295805 Shock hazard label
0509819 “No Oil” label
Potentiometer
Transducer
E.P.C. Board
Switch
Engine
0555201
Clutch
J2
J3
J4
J7J6
J5
Clutch Clutch
Switch
White