Aquatec DC 500, User Manual, Page: 21 / 25

21
Clamping torques and spare part-numbers high-pressure pump
No. Description Amount No. Description Amount
1 Pump head Duplexsteel 1,4462 1 23 Connecting rod eye 3
2 Screw stainless 8 x 60 8 24 O-ring
101,27x2,62
1
4 O-ring 17,13x2,62 NBR 90, Kit-1 6
25 Top cover 1
5 Valveseat 1.4462, Kit-1 6
26 Screw 6 x 18 4
6 Valveplate 1,4462, Kit-1 6
27 O-ring
10,82x1,78
1
7 Spring Kit-1 6
28 Drain plug
¼“ x9
1
8 Valvebody KS, Kit-1 6
29 Gib 3
9
O-ring 20,24x2,62 NBR90
6 30 Rosette 3
10 Nut
1,4462 M24x1,5
6 31 Ring 3
11 valve unit complete no. 4-8 Kit-1 6 32 O-ring
5,28x1,78
3
12 Screw 8 x 10 8 33 Plunger 3
13 Metal cover 2 34 Special ring 3
14 Spacer 1 35 Acorn nut M 8 3
15 O-ring
55,56x3,53
1 36
gasket ring
25x62x10 1
16 Bearing 2 39 Screw 8 x 16 4
17
gasket ring
18x26x6
3 40 Seal holder 1,4462 3
18 Crankcase 1 41 O-ring
28,3x1,78
3
19 Dipstick 1 42 Kit LP seals 3
20 Crank shaft 1 43 Thrust collar 1,4462 3
21 Gib head 1 44 Kit HP seals 3
22 Drive rod 3 45 Screw stainless ¼“ 1
46 Screw plastic ½“ 1
Remark to
acorn nut no. 35:
To unscrew, heat up to 250°. Secure the nut with loctite 270.
To tighten the nut, a torque wrench has to be used.
When ordering spare parts, please name the serial number of the pump head necessarily.