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.
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
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” 2
Z-Bracket 1-3/4 Rail 1-3/4” 2
45
Z-Bracket Rail 2-5/8” 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
1381070 Pump head - NP Ø18 F 1
1381071 Pump head - Brass Ø18 1
1380020 Pump head - Brass Ø20-22 1
49
1380680 Pump head - NP Ø20-22 1
50 820150 Head bolt M8x70 (217 in/lbs) 8
77 840370 Bearing 1
1389270 Complete pump head Ø18 1
1389272 Complete pump head Ø18 H 1
1389271 Complete pump head Ø18 F 1
1389212 Complete pump head Ø20 H 1
78
1389220 Complete pump head Ø22 H 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 n 3
840300 Support ring Ø20³ 3
11
840320 Support ring Ø22« 3
880320 High pressure packing Ø18 n 3
840290 High pressure packing Ø20³ 3
12
840330 High pressure packing Ø22« 3
1380090 Piston guide Ø18 n 3
1380150 Piston guide Ø20 3
13
1380160 Piston guide Ø22« 3
14 961240 O-Ring Ø31.47x1.78 3
880330 Low pressure seal Ø18 n 3
840280 Low pressure seal Ø20³ 3
15
840340 Low pressure seal Ø22« 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 (106 in/lbs) 3
24 962000 Washer Ø8.1 3
1380940 Ceramic piston Ø18 n 3
1380930 Ceramic piston Ø20³ 3
25
1382360 Ceramic piston Ø22« 3
26 1380950 Spacer 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
31 1080401 Back-up ring 3
32 1381850 Washer 8
34 1780510 O-Ring 1
35 1789010 Complete cover 1
36 1343510 Bolt M6x14 (89 in/lbs) 6
2280070 Crankshaft 24mm « 1
37
2280060 Crankshaft 24mm n³ 1
38 1380520 Key 1
39 180340 Oil seal 1
Legend
Ø 18 Ø 20 Ø 22
For n For ³ For «
RK15.15 RK18.20H RK21.20H
RK15.20H RK18.28H F
RK15.28HF
FOver 3600psi