HYDAC SK 600 - Manual (Page 6)

Maintenance
HYDAC TECHNOLOGY CORPORATION
Accumulator Division
2260 City Line Road • Bethlehem, PA 18017
Tel 610.266.0100
Fax 610.231.0445
9. Seal Kits & Replacement Pistons
For seal kits other than Buna N, and for sizes not listed please consult factory.
Example: SK 350 - 20 / 2112 S - 210 FCF - VE - 18 E - 1 (see page 33 for details)
Piston Type Diameter
WARNING: Only qualified persons should perform maintenance on any type of accumulator.
For addition information please contact HYDAC.
Piston Seal Kits
Diameter Type 2 (NBR) Type 3 (PUR)
06 (60mm) — 3016210
08 (80mm) 2123890 3013230
10 (100mm) 363268 2123414
12 (125mm) — 2128104
15 (150mm) 3016235 3145418
18 (180mm) 363270 2123415
25 (250mm) 363266 3016213
31 (310mm) 301600 —
35 (355mm) 363272 —
49 (490mm) 3104100 —
Replacement Pistons - w/ Seals
Diameter Type 2 (NBR) Type 3 (PUR)
06 (60mm) — 3009372
08 (80mm) 352225 2119931
10 (100mm) 356847 2115547
12 (125mm) 3016232 3016150
15 (150mm) 3016228 3016231
18 (180mm) 2118451 3046277
25 (250mm) 353980 3016171
31 (310mm) 356382 —
35 (355mm) 356382 —
49 (490) 3462428 —
Tools
Diameter Seal Assembly Piston Insertion
08 (80 mm) 359537 359614
10 (100mm) 352198 290056
12 (125mm) 3016278 2128223
15 (150mm) 2124157 2124161
18 (180mm) 350148 290049
25 (250mm) 290035 290046
31 (310mm) 2127304 2127305
35 (355mm) 354147 3389677
49 (490mm) 3114220 3440695
For items not listed please consult factory.
Seals Included with Piston Seal Kit
Piston Accumulators: Tools
When repairing a piston accumulator, it is critical to use
the appropriate tools to avoid seal damage. There are two tools
required:
Seal Assembly Tool:
allows for gradual and even stretching of the seals when installing
them onto the piston
Piston Insertion Tool:
a tapered shroud that protects the seals from the threaded portion of
the shell, and provides even seal compression and piston alignment
when inserting the piston into the shell.
Exterior
Piston
Insertion Tool
Shell
Seals
Assembly Tool
Piston
Cross Section
Type 2 Type 3
End Cap O-ring
End Cap O-ring
Gas Valve Seal O-ring
Guide Ring
Guide Ring
Seal Ring
Center Seal
Guide Ring
Center Seal
Seal