Manual
7
MODEL: PA7550
PA7550-M0
rev 06/08
Air Hydraulic Pump
Service Parts
SFA Companies 10939 N. Pomona Ave. Kansas City, MO 64153
Tel: 888-332-6419 * Fax: 816-891-6599
E-mail: sales@bvahydraulics.com Website: www.bvahydraulics.com
Note: Not all components of the pump are replacement items, but are illustrated as a
convenient reference of location and position in the assembly sequence.
Parts List
(*) indicated items included in and only available as part of Seal Kit with the exception of Item #28, which may also be pur-
chased separately. Replacement requires special skills, knowledge, and equipment. Only an authorized service center
may perform the repair and/or replacement of these items. Contact BVA for list of service centers.
Item PA7550 Part# Description Qty
1a N/A Steel bar 1
1b N/A Foot pedal 1
2 A57-4-6003-100 Foot pedal w/ steel bar 1
3 * Pedal axle e-clip 2
4 A57-6-2003-102 Pedal axle 1
5 D05-6-1001-106
Manifold plug (oil output port)
1
6 A57-6-3007-105 Noise suppresor 1
7 666-5-0160-107 C-clip 1
8 * O-ring 2
9 * Back-up ring 2
10 A57-6-4002-201 Oil discharge valve 1
11 512-2-0043-108 Compression spring 1
12 601-7-0009-001 Steel ball 1
13 511-7-0410-102 O-ring 1
14 649-1-0060-040 Allen screw (M6 x 1 x 15L) 18
15 * Washer 18
16 A57-6-6008-102 Reservoir top plate 1
17 644-1-0060-05311 Set screw 1
18 503-9-0050-106 Steel ball seat 1
19 601-7-0006-005 Steel ball 1
20 * Crush washer 2
21 A59-6-1017-102
Pressure relief valve cylinder
1
22 A17-6-1216-102 Pressure relief valve stem 1
23 512-2-0067-010 Compression spring 1
24 A17-5-1603-300 Pressure relief valve screw 1
25 601-7-0008-009 Steel ball 1
26 A57-5-1017-102 Oil intake valve 1
27 520-8-0134-101 Filter 1
28 *A57-6-6009-104 Reservoir gasket 1
29 A57-6-6002-100 Reservoir 1
30 649-1-0060-122 Thru bolt, air motor 4
31 A57-6-1002-105 End plate, air motor 1
32 A17-6-2105-108 Gasket 2
33 A17-4-2100-500 Air motor piston 1
34 A57-6-1003-107 Cylinder, air motor piston 1
35 A27-3-2200-102 Pump piston 1
36 512-2-0410-017 Compression spring 1
37 A57-6-1014-102 Pump piston guide 1
38 A27-6-2023-205 Bushing 1
39 573-7-0120-105 Back-up ring 1
40 * U-cup 1
Item PA7550 Part# Description Qty
41 A58-6-1013-107 Pump piston cylinder 1
42 A57-6-1016-106 Spacer 1
43 H18-6-8103-104 Crush washer 1
44 A57-6-1001-204 Base, hydraulic unit 1
45 A57-6-1605-105 Gasket 1
46 511-7-0140-200 O-ring 2
47 512-2-0092-101 Compression spring 1
48 649-1-0040-007 Allen screw 1
49 A57-6-5004-109 Air intake cap 1
50 511-7-0053-104 O-ring 1
51 A57-6-5001-103 Air manifold 1
52 A57-6-2062-108 Intake coupler 1
53 A17-6-1105-103 Plastic cap (air) 1
54 A57-6-5003-107 Air intake valve 1
55 511-7-0080-309 O-ring 1
56 649-1-0050-046 Allen screw 6
57a A57-3-5007-107 Shipping plug (red) 1
57b A57-3-1900-109 Air vent plug (black) 1
58 512-2-0061-100 Compression spring 1
59 644-1-0040-204 Allen screw 1
60 * Compression spring 1
61 503-9-0035-100 Steel ball seat 1
62 601-7-0003-009 Steel ball 1
63 A57-6-3003-305 Release valve 1
64 A57-6-3004-307 Release valve guide 1
65 * O-ring 1
66 * Back-up ring 1
67 552-2-0010-105 Compression spring 1
68 * Release valve pin 1
69 A57-6-3001-112 Release valve guide 1
70 * O-ring 1
71 * Gasket 1
72 A17-6-1002-103 Noise suppresor 1
73 666-5-0250-108 C-clip 1
74 A57-6-6004-104 Oil manifold 1
75 A57-6-6005-106 Dust boot 1
76 A57-6-5101-107 Detent spring 1
77 649-1-0050-055 Allen screw 2
(*) A57-3-9911-104 Seal kit -








