Parker BA Series Installation instructions

Installation & Disassembly
Bladder Accumulators
Electronic Catalog: HY10-1632-M2.1/US

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
If you have questions about the information contained in
this Maintenance & Installation Guide, please contact:
Accumulator & Cooler Division - Americas
phone [phone]
parker.com/accumulator
The information specied in this guide serves to help
understand how to install & maintain the product. The
information given does not release the user from their
own judgment and obligation of verication. The natural
process of wear and aging also impacts how easily a
product can be serviced.
Extra care is taken in the preparation of this literature,
but Parker is not responsible for any inadvertent
typographical errors or omissions. Information in this
guide is only accurate as of the date of this publication.
For a more current information base, please consult the
Parker Accumulator & Cooler Division website at:
www.parker.com/accumulator
Machesney Park, Illinois
10711 N. Second Street, Machesney Park, Il 61115
© Copyright 2016 Parker Hannin Corporation. All rights reserved.
Santa Fe Springs, California
14087 Borate Street, Santa Fe Springs, CA 90670
WARNING - USER RESPONSIBILITY
FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS
CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE.
This document and other information from Parker-Hannin Corporation, its subsidiaries and authorized distributors provide product
or system options for further investigation by users having technical expertise. The user, through its own analysis and testing, is solely
responsible for making the nal selection of the system and components and assuring that all performance, endurance, maintenance,
safety and warning requirements of the application are met. The user must analyze all aspects of the application, follow applicable
industry standards, and follow the information concerning the product in the current product catalog and in any other materials provided
from Parker or its subsidiaries or authorized distributors. To the extent that Parker or its subsidiaries or authorized distributors provide
component or system options based upon data or specications provided by the user, the user is responsible for determining that such
data and specications are suitable and sufcient for all applications and reasonably foreseeable uses of the components or systems.
!
Offer of Sale
The items described in this document are hereby
offered for sale by Parker Hannin Corporation, its
subsidiaries or its authorized distributors. This offer
and its acceptance are governed by the provisions
in the “Offer of Sale.”

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
1
General Information
This guide discusses how to disassemble and
install a new bladder in Parker Hannin’s BA Series
Accumulators. This guide is to be read thoroughly,
particularly the Safety Instructions below before
maintaining or servicing the BA Series Accumulators.
Keep this guide accessible for anyone who may
attempt to service or maintain the accumulators
described within.
General Safety
BA Series Bladder Accumulators are designed to be
inherently safe when the limiting values on the product
label or name plate are followed. However, there is a
risk of personal injury and equipment damage if you do
not follow the safety, maintenance instructions, and the
warning notices specied in this guide.
Since hydraulic accumulators are pressure vessels,
the installation, commissioning, disassembly, and
maintenance should be performed by professionally
trained and qualied personnel.
Operator Obligations
It is the responsibility of the buyer to make sure any
individuals who install, operate and maintain the
accumulators are properly trained at regular intervals
on those subjects. It is also the responsibility of the
buyer to maintain and service the accumulator at
regular intervals.
General Information
The following safety instructions must always be
followed when working with hydraulic accumulators:
Only use an inert gas like nitrogen for a
pre-charging. Nitrogen that is 99.99 percent by
volume is strongly recommended. Do not use
oxygen or shop air, as this may lead to a re
or explosion.
Modifying a bladder accumulator (i.e. welding,
brazing, machining, or the use of non-original
replacement parts) may compromise the
integrity of the pressure vessel.
The operating pressure of the accumulator must
not exceed the maximum operating pressure
and the temperature ranges must
be within those indicated on the label
or nameplate.
The bladder-type accumulator must not be
operated with group 1 hydraulic fluids (explosive,
inammable, toxic) or with corrosive fluids.
Never loosen the gas valve while the
accumulator is under pressure.
Never attempt to disassemble the accumulator
while it is under pressure.
Always assume the accumulator is under
pressure until it is confirmed that it isn’t.
Never add unnecessary weight or load on top of
the accumulator, never use the accumulator as a
structural support and never step on them.
The accumulator may become very hot during
normal operation. Allow the accumulator to cool
before any servicing or touching it.
Always wear personal protective equipment
(PPE) like safety glasses and protective gloves
when servicing the accumulator.
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HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
2
Accumulator Parts Description (Gas Side)
Parts Description
Bill of Material for Figures A-E
Item No. Description
1 Shell
2 Bladder and Stem Assembly
3 O-Ring / Sealing Washer
4 Gas Valve Core
5 Hex Jam Nut
6 Protective Cap
7 Hydraulic Port Assembly
8 Hex Jam Nut /Locking Ring
10 Hydraulic Port Spacer
12 Anti-Extrusion Ring
14 O-Ring
16 Backup Ring
18 Backup Washer (Metal)
25 Backup Ring (2" Stem Only)
26 Gas Valve
27 O-Ring (2" Stem Only)
29 Gas Valve Cap
Suggested Approximate Torque Values
Item No. Description Torque (English) Torque
(Metric)
4 Gas Valve Core 3-5 In-Lb 0.34-0.56 N-M
5 Hex Jam Nut (10-150 Cu. In.) 10-15 Ft-Lb 14-20 N-M
5 Hex Jam Nut (1-15 Gallon) 100-120 Ft-Lb 136-163 N-M
6 Protective Cap 10-15 Ft-Lb 14-20 N-M
8 Locking Ring (1 Gallon) 100 Ft-Lb (Min) 136 N-M (Min)
8 Locking Ring (2.5-15 Gallon) 500 Ft-Lb (Min) 678 N-M (Min)
26 Gas Valve (All Styles) 22-28 Ft-Lb 30-38 N-M
29 Gas Valve Cap 12-24 In-Lb 1-3 N-M
1
1
2
2
3
3
4
4
A A
B B
C C
D D
DRAWING NUMBER
MODEL / PART NUMBER
APPROVED BYDRAWN BYDRAWN MM/DD/YYYY
WEIGHT
PARKER HANNIFIN CORPORATION
ACCUMULATOR & COOLER DIVISION
MACHESNEY PARK, IL 61115, USA
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS: IN [MM], WEIGHTS: LB [KG]
TOLERANCES: .XX [.XXX] = ±.01 [0.254]
.XXX [.XXXX] = ±.005 [0.1270]
ANGLES = ±2°
SURFACE FINISH: 125
µ IN [3.2 µ M] RMS
BREAK EDGES: R.005-.015 [0.1270-0.3810]
DO NOT SCALE DRAWING
THIS DOCUMENT AND THE INFORMATION IT CONTAINS IS CONFIDENTIAL AND
PROPRIETARY TO PARKER-HANNIFIN CORPORATION AND ITS AFFILIATES
("PARKER"), MAY NOT BE COPIED OR DISCLOSED TO OTHERS OR USED FOR
ANY PURPOSE OTHER THAN CONDUCTING BUSINESS WITH PARKER, AND MUST
BE RETURNED OR DESTROYED AND ALL FURTHER USE DISCONTINUED AT
PARKER'S REQUEST. THE RECIPIENT OF THIS DOCUMENT IS ADVISED THAT
IMPROPER SELECTION OR IMPROPER USE OF PARKER SYSTEMS OR
COMPONENTS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY
DAMAGE, AND IS SOLELY RESPONSIBLE THROUGH ITS OWN ANALYSIS AND
TESTING FOR THE FINAL SELECTION OF PARKER SYSTEM AND COMPONENTS
AND ASSURING THAT ALL PERFORMANCE, ENDURANCE, MAINTENANCE,
SAFETY AND WARNING REQUIREMENTS OF THE INTENDED APPLICATION ARE
MET. COPYRIGHT PARKER ©. YEAR OF COPYRIGHT IS THE YEAR(S) INDICATED
ON THIS DOCUMENT. ALL RIGHTS RESERVED.
ECR CHANGE DESCRIPTION
ECR NUMBERECR MM/DD/YYYY CHECKED BY
SKC406266
N/A
VIEWS FOR BLADDER MAINTENANCE MANUAL & CATALOG
SHEET 1 (GAS VALVE END)
SHEET 2 (HYDRAULIC PORT END)
04/19/2016 JPK
A
SHEET 1 OF 2
REV
REFERENCE
THIRD ANGLE PROJECTION
INCH [METRIC]
MATERIAL
2
5
4
3
6
2
5
26
3
6
2
23
12
5
18
14
16
10
8
2
23
12
5
18
14
16
10
8
6
26
5
25
27
2
29
FIGURE A
3-4 KPSI, 330 Bar
10 Cu. In. – 150 Cu. In.
BOTTOM REPAIRABLE
FIGURE B
3-3.6 KPSI, 330 Bar
1-15 GALLON
BOTTOM REPAIRABLE
FIGURE C
3-3.6 KPSI, 330 Bar
2.5-15 GALLON
TOP REPAIRABLE
FIGURE D
5-6.6 KPSI, 690 Bar
2.5-15 GALLON
TOP REPAIRABLE
FIGURE E
5-6.6 KPSI, 690 Bar
1-15 GALLON
BOTTOM REPAIRABLE
(ITEMS # 25 & 27 DO NOT APPLY
ON 1 GALLON UNITS)
1
1
11
1
26
3
6
26
29
6
FIGURE A
3-4 KPSI, 330 Bar
10-150 Cu. In.
Bottom Repairable
FIGURE B
3-3.6 KPSI, 330 Bar
1-15 Gallon
Bottom Repairable
FIGURE C
3-3.6 KPSI, 330 Bar
2.5-15 Gallon
Top Repairable
FIGURE D
5-6.6 KPSI, 690 Bar
2.5-15 Gallon
Top Repairable
FIGURE E
5-6.6 KPSI, 690 Bar
1-15 Gallon
Bottom Repairable
(Items #25 & 27 Do Not Apply)

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
3
Accumulator Parts Description (Oil Side)
Parts Description
Hydraulic Port Assembly
Item No. Description
7.1 Hydraulic Port Body
7.2 Poppet
7.3 Bushing
7.4 Compression Spring
7.5 Nylon Insert Locknut
Hydraulic Port Kit
Item No. Description
7 Hydraulic Port Assembly
8 Hex Jam Nut /Locking Ring
10 Hydraulic Port Spacer
12 Anti-Extrusion Ring
14 O-Ring
16 Backup Ring
18 Backup Washer (Metal)
21 Bleed Plug
22 Port Protector Plug
24 O-Ring
Suggested Approximate Torque Values
Item
No. Description Torque (English) Torque (Metric)
7.5 Nylon Insert Locknut 6-7 Ft-Lb 8-9 N-M
8Locking Ring
(1 Gallon) 100 Ft-Lb (Min) 136 N-M (Min)
8Locking Ring
(2.5-15 Gallon) 500 Ft-Lb (Min) 678 N-M (Min)
21 Bleeder Plug 10 Ft-Lb (Min) 14 N-M
22 Port Protector Plug 12-24 In-Lb 1-3 N-M
10-150 Cubic-Inch. Don’t Include 16, 21, & 24
All Flange Ports. Don’t Include 21 & 24
1
1
2
2
3
3
4
4
A A
B B
C C
D D
DRAWING NUMBER
MODEL / PART NUMBER
APPROVED BYDRAWN BYDRAWN MM/DD/YYYY
WEIGHT
PARKER HANNIFIN CORPORATION
ACCUMULATOR & COOLER DIVISION
MACHESNEY PARK, IL 61115, USA
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS: IN [MM], WEIGHTS: LB [KG]
TOLERANCES: .XX [.XXX] = ±.01 [0.254]
.XXX [.XXXX] = ±.005 [0.1270]
ANGLES = ±2°
SURFACE FINISH: 125 µIN [3.2 µM] RMS
BREAK EDGES: R.005-.015 [0.1270-0.3810]
DO NOT SCALE DRAWING
THIS DOCUMENT AND THE INFORMATION IT CONTAINS IS CONFIDENTIAL AND
PROPRIETARY TO PARKER-HANNIFIN CORPORATION AND ITS AFFILIATES
("PARKER"), MAY NOT BE COPIED OR DISCLOSED TO OTHERS OR USED FOR
ANY PURPOSE OTHER THAN CONDUCTING BUSINESS WITH PARKER, AND MUST
BE RETURNED OR DESTROYED AND ALL FURTHER USE DISCONTINUED AT
PARKER'S REQUEST. THE RECIPIENT OF THIS DOCUMENT IS ADVISED THAT
IMPROPER SELECTION OR IMPROPER USE OF PARKER SYSTEMS OR
COMPONENTS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY
DAMAGE, AND IS SOLELY RESPONSIBLE THROUGH ITS OWN ANALYSIS AND
TESTING FOR THE FINAL SELECTION OF PARKER SYSTEM AND COMPONENTS
AND ASSURING THAT ALL PERFORMANCE, ENDURANCE, MAINTENANCE,
SAFETY AND WARNING REQUIREMENTS OF THE INTENDED APPLICATION ARE
MET. COPYRIGHT PARKER ©. YEAR OF COPYRIGHT IS THE YEAR(S) INDICATED
ON THIS DOCUMENT. ALL RIGHTS RESERVED.
ECR CHANGE DESCRIPTION
ECR NUMBERECR MM/DD/YYYY CHECKED BY SKC406266
N/A
VIEWS FOR BLADDER MAINTENANCE MANUAL & CATALOG
SHEET 1 (GAS VALVE END)
SHEET 2 (HYDRAULIC PORT END)
04/19/2016 JPK
A
SHEET 2 OF 2
REV
REFERENCE
THIRD ANGLE PROJECTION
INCH [METRIC]
MATERIAL
1
24
21
7.1
12
18
14
16
10
8
22
7.5
7.3
7.4
7.2
FIGURE B
1218141610824
21
722
FIGURE G
1
1
2
2
3
3
4
4
AA
B B
C C
D D
DRAWING NUMBER
MODEL / PART NUMBER
APPROVED BYDRAWN BY
DRAWN MM/DD/YYYY
WEIGHT
PARKER HANNIFIN CORPORATION
ACCUMULATOR & COOLER DIVISION
MACHESNEY PARK, IL 61115, USA
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS: IN [MM], WEIGHTS: LB [KG]
TOLERANCES: .XX [.XXX] = ±.01 [0.254]
.XXX [.XXXX] = ±.005 [0.1270]
ANGLES = ±2°
SURFACE FINISH: 125 µIN [3.2 µM] RMS
BREAK EDGES: R.005-.015 [0.1270-0.3810]
DO NOT SCALE DRAWING
THIS DOCUMENT AND THE INFORMATION IT CONTAINS IS CONFIDENTIAL AND
PROPRIETARY TO PARKER-HANNIFIN CORPORATION AND ITS AFFILIATES
("PARKER"), MAY NOT BE COPIED OR DISCLOSED TO OTHERS OR USED FOR
ANY PURPOSE OTHER THAN CONDUCTING BUSINESS WITH PARKER, AND MUST
BE RETURNED OR DESTROYED AND ALL FURTHER USE DISCONTINUED AT
PARKER'S REQUEST. THE RECIPIENT OF THIS DOCUMENT IS ADVISED THAT
IMPROPER SELECTION OR IMPROPER USE OF PARKER SYSTEMS OR
COMPONENTS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY
DAMAGE, AND IS SOLELY RESPONSIBLE THROUGH ITS OWN ANALYSIS AND
TESTING FOR THE FINAL SELECTION OF PARKER SYSTEM AND COMPONENTS
AND ASSURING THAT ALL PERFORMANCE, ENDURANCE, MAINTENANCE,
SAFETY AND WARNING REQUIREMENTS OF THE INTENDED APPLICATION ARE
MET. COPYRIGHT PARKER ©. YEAR OF COPYRIGHT IS THE YEAR(S) INDICATED
ON THIS DOCUMENT. ALL RIGHTS RESERVED.
ECR CHANGE DESCRIPTION
ECR NUMBERECR MM/DD/YYYY CHECKED BY SKC406266
N/A
VIEWS FOR BLADDER MAINTENANCE MANUAL & CATALOG
SHEET 1 (GAS VALVE END)
SHEET 2 (HYDRAULIC PORT END)
04/19/2016 JPK
A
SHEET 2 OF 2
REV
REFERENCE
THIRD ANGLE PROJECTION
INCH [METRIC]
MATERIAL
1
24
21
7.1
12
18
14
16
10
8
22
7.5
7.3
7.4
7.2
FIGURE B
1218141610824
21
722
FIGURE F
1
1
2
2
3
3
4
4
AA
B B
C C
D D
DRAWING NUMBER
MODEL / PART NUMBER
APPROVED BYDRAWN BYDRAWN MM/DD/YYYY
WEIGHT
PARKER HANNIFIN CORPORATION
ACCUMULATOR & COOLER DIVISION
MACHESNEY PARK, IL 61115, USA
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS: IN [MM], WEIGHTS: LB [KG]
TOLERANCES: .XX [.XXX] = ±.01 [0.254]
.XXX [.XXXX] = ±.005 [0.1270]
ANGLES = ±2°
SURFACE FINISH: 125 µIN [3.2 µM] RMS
BREAK EDGES: R.005-.015 [0.1270-0.3810]
DO NOT SCALE DRAWING
THIS DOCUMENT AND THE INFORMATION IT CONTAINS IS CONFIDENTIAL AND
PROPRIETARY TO PARKER-HANNIFIN CORPORATION AND ITS AFFILIATES
("PARKER"), MAY NOT BE COPIED OR DISCLOSED TO OTHERS OR USED FOR
ANY PURPOSE OTHER THAN CONDUCTING BUSINESS WITH PARKER, AND MUST
BE RETURNED OR DESTROYED AND ALL FURTHER USE DISCONTINUED AT
PARKER'S REQUEST. THE RECIPIENT OF THIS DOCUMENT IS ADVISED THAT
IMPROPER SELECTION OR IMPROPER USE OF PARKER SYSTEMS OR
COMPONENTS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY
DAMAGE, AND IS SOLELY RESPONSIBLE THROUGH ITS OWN ANALYSIS AND
TESTING FOR THE FINAL SELECTION OF PARKER SYSTEM AND COMPONENTS
AND ASSURING THAT ALL PERFORMANCE, ENDURANCE, MAINTENANCE,
SAFETY AND WARNING REQUIREMENTS OF THE INTENDED APPLICATION ARE
MET. COPYRIGHT PARKER ©. YEAR OF COPYRIGHT IS THE YEAR(S) INDICATED
ON THIS DOCUMENT. ALL RIGHTS RESERVED.
ECR CHANGE DESCRIPTION
ECR NUMBERECR MM/DD/YYYY CHECKED BY SKC406266
N/A
VIEWS FOR BLADDER MAINTENANCE MANUAL & CATALOG
SHEET 1 (GAS VALVE END)
SHEET 2 (HYDRAULIC PORT END)
04/19/2016 JPK
A
SHEET 2 OF 2
REV
REFERENCE
THIRD ANGLE PROJECTION
INCH [METRIC]
MATERIAL
1
24
21
7.1
12
18
14
16
10
8
22
7.5
7.3
7.4
7.2
FIGURE B
1218141610824
21
722

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
4
Tools & Equipment
Tools & Equipment
Tools and Equipment
Description Part Number Use
Charging & Gauging Assembly Refer to Maintenance & Installation
Guide HY10-1632-M2
Various styles available based on pre-charge,
accumulator size & style.
Pull Rod (1 Qt - 2 ½ Gallon) 085109 0250 Pull rods are available in single or multiple lengths for
different size accumulators. The pull rods attach to the
gas valve of the bladder for ease of assembly into shell
during assembly.
Pull Rod (5 Gallon) 085109 0500
Pull Rod (10-11 Gallon) 085109 1000
Pull Rod (15 Gallon) 085109 1500
Core Repair Tool 582441 0000
Core Installation Tool 300987
Spanner Wrench 085110 0000 Fits all standard size bladder accumulators. Used to
remove hydraulic port assembly from the accumulator.
Box Or Adjustable Wrenches
Blunt Flathead Screwdriver or Ball Head
Hex Wrench See pictures above Rounded edges. Used to tuck in hydraulic port O-ring.
Torque Wrench Used to establish proper torque
Soft Head Hammer May be required to loosen locking ring in conjection with
spanner wrench
Figure 1: Pull rods, Spanner wrench, Core repair tool,
and Core installation tool
Figure 2: Typical rounded edge athead screwdriver or ball
head hex
Clean & Inspect
Cleaning: All metal parts should be cleaned with
a cleaning agent. Seals and soft parts should be
wiped clean.
Bladder (Item 2): Inate bladder to normal size.
Wash bladder with a soap solution. If soap solution
bubbles, discard bladder. After testing, deate
bladder immediately.
Hydraulic Port Assembly (Item 7): Inspect assembly
for damage. Check the poppet valve (Item 7.2) and
spring (Item 7.4) to see that the poppet spins freely
and the spring functions properly. In cases where the
accumulator is used with water, check assembly for rust
and/or defective plating. If rust is detected, clean with
commercial rust remover. If parts are pitted, replace
with new components. If protective plating is damaged,
replace with new components.
Seals: Check anti-extrusion ring (Item 12) and soft seals
for damage and wear. Replace all worn and damaged
seals with Parker’s original equipment seals.
Shell (Item1): After shell has been cleaned with a
cleansing agent, check the inside and outside of shell.
Special attention should be given to the area where the
bladder stem (Item 2) and hydraulic port assembly (Item
7) pass through the shell. Any nicks or damages in this
area could destroy the accumulator bladder or damage
new seals. If this area is pitted, consult the factory.

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
5
Figure 5: Remove hydraulic port assembly (Item 7) from
accumulator shell (Item 1).
Figure 6: Remove hex jam nut (Item 5) from
bladder valve stem (Item 2). Prevent valve stem
from twisting with an appropriate wrench
applied to the valve stem ats.
Figure 7: Fold bladder (Item 2) and pull out of
accumulator shell (Item 1). A slight twisting motion
while pulling on the bladder reduces effort required to
remove bladder from shell. If bladder is slippery, hold
with a cloth.
Assembly & Disassembly
Figure 5
Figure 6
Figure 7

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
6
Assembly & Disassembly
Bladder Assembly in Bottom Repairable
Accumulators
Figure 8: After shell (Item 1) has been cleaned and
inspected, place accumulator shell in vise or on table.
Spray the inside of the accumulator shell with a liberal
amount of clean system hydraulic uid to lubricate and
cushion the bladder (Item 2). Make sure the entire inside
of the shell is lubricated.
Figure 9: Insert the bladder pull rod, 085109xxxx,
through both the shell’s valve stem opening and uid
port opening. Attach the bladder pull rod to the bladder
valve stem (Item 26).
Figure 10: With all gas completely exhausted from
bladder (Item 2), collapse bladder and fold longitudinally
in a compact roll. With one hand, pull the bladder pull
rod while feeding the bladder (Item 2) into the shell
(Item 1) with the other hand. Slight twisting of bladder
will assist in this insertion.
Figure 8
Figure 9
Figure 10

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
7
Assembly & Disassembly
Figure 12: Thread hex jam nut (Item 5) onto bladder
valve stem (Item 2). Secure valve stem from twisting
with an appropriate wrench applied to the valve
stem ats. Torque jam nut to proper torque based
on accumulator size per the Suggested Approximate
Torque Values on page 2 of this guide.
Figure 11: Once the bladder valve stem has been pulled
through the valve stem opening in the shell, install the
valve stem hex nut (Item 5) by hand. Once the valve
stem hex nut is in place, remove the bladder pull rod.
Figure 11
Figure 12

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
8
Assembly & Disassembly
Disassembly of Conventional
Top-Repairable Accumulators
The conventional top-repairable accumulator uses a
gas-end adapter (Item 23) which is retained in the shell
with an anti-extrusion ring (Item 12) exactly like those
used in port assemblies. (See Figure 10)
1Make sure the gas is relieved from the accumulator.
(See Removal of Accumulator from System.)
2Remove hex jam nut (Item 5) from bladder gas valve
stem (Item 2) using a 1-5/16" socket wrench.
3Using a spanner wrench, 085110 0000, remove outer
lock ring (Item 8) on the gas end adapter (Item 23).
4Push the gas end adapter (Item 23) complete with
the bladder (Item 2) into the shell (Item 1).
5Insert hand into accumulator, remove the o-ring
back-up (Item 16), o-ring (Item 14), and metal
back-up (Item 18). Separate the anti-extrusion ring
(Item 12) from the gas end adapter (Item 23).
6Fold the anti-extrusion ring (Item 12) and remove
from shell (Item 1). (See Figure 4).
7Remove gas end adapter (Item 23) from shell.
8Remove bladder (Item 2) from shell.
NOTE: Conventional top repairable accumulators
may be repaired by removing the bladder from either
the hydraulic end or the gas end of the accumulator.
Clean & Inspect
Cleaning: All metal parts should be cleaned with
a cleaning agent. Seals and soft parts should be
wiped clean.
Bladder (Item 2): Inate bladder to normal size.
Wash bladder with a soap solution. If soap solution
bubbles, discard bladder. After testing, deate
bladder immediately.
Hydraulic Port Assembly (Item 7): Inspect assembly
for damage. Check the poppet valve (Item 7.2) and
spring (Item 7.4) to see that the poppet spins freely
and the spring functions properly. In cases where the
accumulator is used with water, check assembly for rust
and/or defective plating. If rust is detected, clean with
commercial rust remover. If parts are pitted, replace
with new components. If protective plating is damaged,
replace with new components.
Seals: Check anti-extrusion ring (Item 12) and soft seals
for damage and wear. Replace all worn and damaged
seals with Parker’s original equipment seals.
Shell (Item 1): After shell has been cleaned with a
cleansing agent, check the inside and outside of shell.
Special attention should be given to the area where
the gas valve and hydraulic assembly pass through the
shell. Any nicks or damages in this area could destroy
the accumulator bladder or damage new seals. If this
area is pitted consult factory.
Figure 13
Gas End Adapter Protective Cap
1-5/16" Hex Nut
Outer Locknut
Anti-Extrusion Ring

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
9
Assembly & Disassembly
Bladder Assembly in Conventional
Top-Repairable Accumulators
1Spray the inside of the accumulator shell (Item 1)
with a liberal amount of clean system hydraulic uid
to lubricate and cushion the bladder. Make sure the
entire inside of the shell is lubricated.
2With all gas completely exhausted from bladder,
collapse bladder (Item 2) and fold longitudinally in a
compact roll.
3Install the gas end adapter (Item 23) on the bladder
and secure with hex jam nut (Item 5). Torque hex jam
nut to 100 -120 ft-lb (136-163 N-m).
4Insert bladder/adapter assembly into
accumulator shell.
5Fold anti-extrusion ring (Item 12) and place
inside accumulator.
6Reaching inside the accumulator, insert the gas end
adapter (Item 23) through the anti-extrusion ring
(Item 12) and pull into place. The steel surface on
anti-extrusion ring should face outward.
7Holding the gas end adapter (Item 23) in place, ll
accumulator with approximately 50 PSI nitrogen.
This will hold the gas end adapter in place.
8Install the metal backup (Item 18), o-ring (Item 14),
and o-ring backup (Item 16).
9Install the outer spacer (Item 10).
10 Install the outer locking ring (Item 8).
Hydraulic Port Assembly Installation
1Holding the hydraulic port assembly (Item 7) by
the threaded end, insert the poppet end into the
shell uid port. Lay complete assembly inside
shell (Item 1).
2Figure 14: Fold anti-extrusion ring (Item 12)
to enable insertion into the shell. Once the
anti-extrusion ring has cleared the hydraulic
uid port opening, place the anti-extrusion ring
on the hydraulic port assembly (Item 7) with the
port assembly’s steel collar end facing toward
the shell uid port.
3Pull the threaded end of the port assembly (Item
7) through the shell uid port until it sits solidly into
position on the shell’s uid port opening.
4Figure 15: With port assembly rmly in place,
install valve core (Item 3) or gas valve (Item 26) into
the bladder stem (Item 2). Slowly pressurize the
bladder, using dry nitrogen with sufcient pressure
(approximately 40-50 PSI) to hold hydraulic port
assembly (Item 7) in place so both hands are free to
continue with assembly.
Figure 14
Figure 15

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
10
Assembly & Disassembly
5Figure 16: Install metal backup washer (Item 18)
over hydraulic port assembly and push into the shell
uid port to bottom it out on the anti-extrusion ring
(Item 12).
6Figure 17: Install O-ring (Item 14) over hydraulic port
assembly (Item 7) and push it using a blunt, rounded
edge, athead screw driver or a ball head hex into
the shell’s uid port until it bottoms out against
the washer.
CAUTION: Do not twist or damage o-ring.
7Install O-ring backup (Item 16) over hydraulic port
assembly (Item 7) and push until it bottoms against
O-ring (Item 14) (1-40 gallon sizes and 5K only).
8Figure 18: Insert spacer (Item 10) with the
smaller diameter of the shoulder facing the
accumulator shell.
Figure 16
Figure 17
Figure 18

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
11
Assembly & Disassembly
10 Figure 20: Thread bleeder plug (Item 21) into the
hydraulic port assembly (Item 7).
11 Position accumulator so that uid (same uid as
used in system) can be poured into the accumulator
(add approximately 10% of the accumulator
capacity). This uid will act as a cushion when the
accumulator is pre-charged with gas.
12 Pre-charge accumulator to desired pressure.
See pre-charge instructions.
13 Install accumulator on machine.
9Figure 19: Install the locking ring (Item 8) on the
hydraulic port assembly (Item 7). Using a spanner
wrench, 0851100000, tighten securely per the
Suggested Approximate Torque Values on page 3
of this guide. This will squeeze the O-ring (Item 14)
into position. Use appropriate wrench on ats of
hydraulic port assembly (Item 7) to ensure the unit
does not turn.
Figure 19
Figure 20

HY10-1632-M2.1/US
Parker Hannin Corporation
Accumulator & Cooler Division
United States
Installation & Disassembly
Bladder Accumulators
12
Disassembly of Bottom Repairable
Accumulators
Figure 1: Once the accumulator has been removed
from the equipment, the accumulator body should be
secured in a vise, preferably a chain vise. If a standard
jaw vise is used, brass inserts should be used to protect
the accumulator hydraulic port assembly (Item 7) from
damage. Clamp on wrench ats only when using a jaw
vise to prevent accumulator from turning.
Figure 2: Remove bleeder plug (Item 21), if the
accumulator is equipped with one, on hydraulic
port assembly.
Figure 3: Using a spanner wrench, 0851100000,
remove lock ring (Item 8) from the hydraulic port
assembly (Item 7); use an adjustable wrench on the ats
located on the port assembly to prevent port assembly
from rotating. Remove spacer (Item 10), then push the
hydraulic port assembly (Item 7) into the shell (Item 1)
prior to Step 4.
Figure 4: Insert hand into the accumulator shell
(Item 1) and remove the O-ring backup (Item 16),
o-ring (Item 14), and metal backup (Item 18). Separate
the anti-extrusion ring (Item 12) from the hydraulic port
(Item 7). Fold anti-extrusion ring to enable removal of
anti-extrusion ring from shell.
Assembly & Disassembly
Figure 1
Figure 2
Figure 3
Figure 4

HY10-1632-M2.1/US 10/2016© 2016 Parker Hannin Corporation
Parker Hannin Corporation
Accumulator & Cooler Division
10711 N Second Street
Machesney Park, IL 61115
phone [phone]
fax [phone]
www.parker.com/accumulator