2021 AR North America
47
Medium pr
essur
e
AR 50
Pos
Code
Description
Qty
Note
1
650011 Pump body
1
2
650102 Head
1
3
320130 Nut
M12
4
TT445*
4
650101 Head
1
5
160311 Nut
M8
2
SS TT180*
6
650390 Retaining washer
2
7
650081 Diaphragm
2
Viton
650082 Diaphragm
2
NBR
650085 Diaphragm
2
Desmopan
650080 Diaphragm
2
BlueFlex
TM
8
650090 Retaining washer
2
9
650320 Hub pin
2
10
650190 Piston ring
2
11
650061 Bushing
2
12
650121 Piston
Ø 63
2
13
650071 Pin
2
14
160691 Ring
circlip Øi 18
4
15
650142 Connecting-rod
2
16
650130 Ring
connecting rod
2
17
650111 Sleeve
2
18
200390 Ring
circlip Øi 62
1
19
650040 Cover
1
20
650920 O-ring
Ø 53.65x2.62
1
21
650480 Ring
circlip Øe 30
1
22
230330 Bearing
1
23
161050 Ring
circlip Øi 72
1
24
850850 Bolt
TCEI M6x30
2
TT90*
25
550331 Washer
2
26
650030 Oil sight glass
1
27
180101 O-ring
Ø 17.5x2
2
28
550040 O-ring
Ø 26.62x2.62
5
29
550050 Plug
1
30
650160 Spacer
1
31
650200 Bearing
1
32
1400150 Ring
seal
1
33
650170 Shaft
marked S
1
34
1400140 Flange
1
35
961340 Washer
1
36
659050 Valve
4
37
320030 O-ring
Ø 31.5x4.5
4
38
650180 Semi air chamber
lower
1
659204 Semi air chamber
1
See
39
650520 Diaphragm pulsation dampener
1
NBR
650523 Diaphragm pulsation dampener
1
BlueFlex
TM
40
650230 Semi air chamber
upper
1
Red
41
180020 Air valve
1
42
650542 Gasket
1
43
621780 Bolt
TE M8x40
10
TT180*
45
390290 O-ring
Ø 29x3
1
Pos
Code
Description
Qty
Note
46
650150 Manifold
1
47
450120 Fitting
1” G - 1”1/4 G M-M
1
48
390290 O-ring
Ø 29x3
1
49
580060 Ring nut
1” 1/4 G
1
50
580040 Elbow
1 1/4"
1
51
650250 Key
1
For 650171
53
650171 Shaft
marked T
1
ø 25 mm
650178 Shaft
marked U
1
ø 25.4 mm
650179 Shaft
marked V
1
ø 30 mm
54
659213 Inlet pulsation
dampener
1
56
650300 Coupling
1
For 650171
57
680350 Bolt
TCEI M8x35
1
TT180*
58
650490 Ring
seal
1
59
650041 Cover
1
60
46730 Inlet pulsation
dampener assembly
1
61
650670 Diaphragm
1
NBR
650671 Diaphragm
1
BlueFlex
TM
62
651670 Clamp
1
63
1500350 Shield
2
64
820670 Bolt
TCEI M10x16
4
TT90*
65
659080 Bushing
complete
2
66
880530 Plug
3/8” G
1
TT180*
67
740290 O-ring
Ø 14x1.78
1
68
1400110 Ring
1
69
540290 Bolt
TCEI M8x25
2
TT180*
70
450145 Flange
1
71
550350 O-ring
Ø 23.81X2.62
1
72
110130 Ring nut
1/2”
1
73
43518 Accumulator Assy
1
BlueFlex
TM
1523 Accumulator Assy
1
NBR
74
320392 Base
2
75
750060 Bolt
TE M12x65
8
TT445*
81
380241 Washer
3
82
1200521 Spacer
3
83
680350 Bolt
TCEI M8x35
3
TT90*
84
750060 Bolt
TE M12x65
2
TT265*
86
330170 Plug
Lower Air Chamber
1
Not shown
87
180101 O-Ring for lower air
chamber plug
1
Not shown
With plug and o-ring for version without safety valve.
* Torque: in-lbs +/- 10%
Suggested oil
Type
Oz
AR64532D
32
AR 1919
O-Rings
Pos.
Qty
20
1
27
2
28
5
37
4
42
1
45
1
67
1
71
1
AR 1920
Valves
Pos.
Qty
36
4
37
4
AR 43290
Buna diaphragms
AR 43293
BlueFlex
TM
diaphragms
AR 43291
Desmopan diaphragms
Pos.
Qty
7
2
37
4
39
1
Crankcase Oil
Capacity 36 oz
SP
SP/A1
GR3/4-GCI
GR1-GCI
AR50
31736
31737
33132
31739