1. GENERAL INFORMATION
These assembly and repair instructions apply to HYDAC
bladder accumulators in the series:
SB330/400/440/500/550/600/690
Please read the operating manual!
"Instruction manual Bladder accumulators"
No. 3.201.BA
"Instruction manual Charging and testing unit FPU"
No. 3.501.BA
"Additional operating instructions Bladder integrity system"
No. 3.201.01Z
Further information can be found in the following brochures
or catalogue sections
"HYDAC Accumulator Technology"
No. 3.000
"Bladder accumulators – Standard"
No. 3.201
"Bladder accumulators – High pressure"
No. 3.202
"Charging and testing unit FPU"
No. 3.501
Customer Service, Customer Service performances, repeat
testing and repairs can be can be carried out at the HYDAC
headquarters or in all national and international HYDAC
sales and service centres.
HYDAC Systems & Services GmbH
Werk 13
Postfach 1251
D-66273 Sulzbach/Saar
Friedrichsthalerstr. 15
D-66540 Neunkirchen/Heinitz
Tel.: +49 (0) 6897 / 509-01
Fax: +49 (0) 6897 / 509-324
Internet: www.hydac.com
NOTICE
The information provided in these instructions relates
to the operating conditions, designs and applications
described in the supplied documents. For fields of
application, operating conditions and/or designs
not described, please contact the relevant technical
department.
For legal information see www.hydac.com.
Key to fold-out page:
Designation
Accumulator shell
Bladder
Gas valve insert
Retaining nut
Seal cap
Protective cap
O-ring
Type code label
Oil valve
Anti-extrusion ring
Washer
O-ring
Spacer
Lock nut
Bleed screw
Support ring
Fluid side seal
not available as a spare part
1)
* not present on all accumulator types
2 I
= Standard bladder accumulator
2 II
= Detail of fluid port
SB330/400 – 0.5 ... 6 l
SB330 – 10 l slim-line
2 III
= Detail of fluid port
SB330/400/600 (H) – 10 ... 50 l
SB440/500/550/690 – 10 ... 50 l
SB550/690 – 1 ... 5 l
2 IV
= Detail X
Standard bladder accumulator
Fluid port
Item
1
1)
2
3
4
5
6
7
8
1)
9 - 13
14
15
16
EN
17*
18
19
23*
27
11