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Plunger Pumps
Operating Instructions and Parts Manual RK Series Pumps
First Choice When Quality Matters
NORTH
AMERICA
Pos. Code Description Qty. Pos. Code Description Qty.
41 1380040 Open bearing support (217 in/lbs) 1
42 740290 O-Ring Ø14x1.78 3
43 1980740 Plug 3/8” G 2
44 1260470 Bolt M8x10 4
1380141 Rail 5/8” (N Version only) 2
Z-Bracket 1-3/4 Rail 1-3/4” (N Version only) 2
45
Z-Bracket Rail 2-5/8” (N Version only) 2
1980740 Plug 3/8” G 1
46
1981180 Plug 3/8” G NP F 1
47 180101 O-Ring Ø17.5x2 1
820361 Plug 1/2” G 1
48
960870 Plug 1/2” G NP F 1
1381071 Pump head - Brass Ø18 1
1381070 Pump head - NP Ø18 F 1
1380020 Pump head - Brass Ø20 1
1380680 Pump head - NP Ø20 1
1383010 Pump head - Brass Ø22 1
49
1383310 Pump head -NP Ø22 1
50 820150 Head bolt M8x70 (217 in/lbs) 8
2280260 Hollow shaft Ø1-1/8” m 1
2280200 Hollow shaft Ø1-1/8” lu 1
2280270 Hollow shaft Ø1-1/8” n³ 1
59
2280280 Hollow shaft Ø1-1/8” « 1
60 1380320 Bearing 1
61 621170 Oil seal 1
62 1380220 O-Ring Ø72.75x1.78 1
63 1380210 Compete cover 1
64 1591 Electric Flange F17 1
65 620610 Bolt 4
69 1381850 Washer 8
1389270 Complete pump head - Brass Ø18 1
1389272 Complete pump head - NP Ø18 1
1389271 Complete pump head - NP Ø18 F 1
1389208 Complete pump head - Brass Ø20 1
1389212 Complete pump head - NP Ø20 1
1389268 Complete pump head - Brass Ø22 1
71
1389269 Complete pump head - NP Ø22 1
75 1080401 Back-up ring 3
77 840370 Bearing 1
86 1260250 Oil sight glass 1
87 1260430 Snap ring 1
88 1780690 Contrast disc 1
89 1140450 O-Ring Ø20.24x2.62 1
AR64516 Oil 1
Oil CapaCity - 15 Oz
1 960160 O-Ring Ø17.86x2.62 6
960090 Valve cap - Brass (478 in/lbs) 6
960850 Valve cap - SS (478 in/lbs)F 6
1380740 Valve cap - NP (478 in/lbs) 6
960090T Valve cap - 1/4” threaded - Brass (478 in/lbs) 1
2
960850T Valve cap - 1/4” threaded - SS (478 in/lbs) 1
3 1389051 Complete valve 6
4 880830 O-Ring Ø15.54x2.62 6
880581 Plug 1/4” G - Brass 2
5
1380690 Plug 1/4” G NP F 2
6 820510 O-Ring Ø10.82x1.78 2
960110 Support ring Ø18 mrlu 3
840300 Support ring Ø20 n 3
11
840320 Support ring Ø22 ³« 3
880320 High pressure packing Ø18 mrlu 3
840290 High pressure packing Ø20 n 3
12
840330 High pressure packing Ø22 ³« 3
1380090 Piston guide Ø18 mrlu 3
1380150 Piston guide Ø20 n 3
13
1380160 Piston guide Ø22 ³« 3
14 961240 O-Ring Ø31.47x1.78 3
880330 Low pressure seal Ø18 mrlu 3
840280 Low pressure seal Ø20 n 3
15
840340 Low pressure seal Ø22 ³« 3
16 1383130 Oil seal 3
17 850370 Bolt M8x16 (217 in/lbs) 8
18 1380050 Closed bearing support 1
19 640030 O-Ring Ø59.99x2.62 2
20 2280240 Bearing 1
21 1382770 Pump housing 1
22 880130 Vented oil cap 1
23 962010 Nut M8 (106in/lbs) 3
24 962000 Washer Ø8.1 3
1380940 Ceramic piston Ø18 mrlu 3
1380930 Ceramic piston Ø20 n 3
25
1382360 Ceramic piston Ø22 ³« 3
26 1380950 Slinger 3
27 600180 O-Ring Ø7.66x1.78 3
28 1380920 Guiding piston 3
29 1380060 Piston pin 3
1383020 Con rod - Bronze > 3000 PSI 3
30
1383050 Con rod - Aluminum < 3000 PSI 3
34 1780510 O-Ring 1
35 1789010 Complete cover 1
36 1343510 Bolt M6x14 (89 in/lbs) 6
2280100 Crankshaft 24mm m 1
2280090 Crankshaft 24mm l 1
2280070 Crankshaft 24mm rn³ 1
2280060 Crankshaft 24mm « 1
37
2280110 Crankshaft 24mm - NL u 1
38 1380520 Key 1
39 180340 Oil seal 1
1380120 Shim 0.10 mm 1-3
1380130 Shim 0.20 mm 1-3
1380530 Shim 0.25 mm 1-3
40
1382810 Shim 0.05 mm 1-3