Parker Hannifin Corporation
Hose Products Division
Wickliffe, OH
21
Crimping Machine
PHastkrimp
Bulletin 4480-T15-US
MSDS’S (Available upon request.)
Federal OSHA regulation 29 CFR 1910.1200 requires that we transmit to our customers Material Safety Data Sheets for all material
covered under the law. If you are an employer in SIC 20-39 who has not yet received them, you are required to obtain them from us
and provide the information to employees as directed in Secton (b) of the requlation. Please contact the Hose Products Division -
Technical Services Department: (PH) 440- 943-5700 (FAX) 440- 943-3129.
that does not specify a Parker Fitting, the user is solely responsible for the
selection of the proper Fitting and Hose Assembly procedures. See instruction
1.4.
The Parker published instructions must be followed for assembling the Fittings
on the Hose. These instructions are provided in the Parker Fitting catalog for
the specific Parker Fitting being used, or by calling 1-800-CPARKER, or at
www.parker.com.
3.3
Related Accessories: Do not crimp or swage any Parker Hose or
Fitting with anything but the listed swage or crimp machine and dies in accordance
with Parker published instructions. Do not crimp or swage another manufacturers
Fitting with a Parker crimp or swage die unless authorized in writing by the
engineering manager of chief engineer of the appropriate Parker division.
3.4
Parts: Do not use any Parker Fitting part (including but not limited to
socket, shell, nipple, or insert) except with the correct Parker mating parts, in
accordance with Parker published instructions, unless authorized in writing by
the engineering manager or chief engineer of the appropriate Parker division.
3.5
Reusable/Permanent: Do not reuse any field attachable (reusable)
Hose Fitting that has blown or pulled off a Hose. Do not reuse a Parker permanent
Hose Fitting (crimped or swaged) or any part thereof. Complete Hose Assemblies
may only be reused after proper inspection under section 4.0. Do not assemble
Fittings to any previously used hydraulic Hose that was in service, for use in a
fluid power application.
3.6
Pre-Installation Inspection: Prior to installation, a careful examination
of the Hose Assembly must be performed. Inspect the Hose Assembly for any
damage or defects. Do NOT use any Hose Assembly that displays any signs of
nonconformance.
3.7
Minimum Bend Radius: Installation of a Hose at less than the
minimum listed bend radius may significantly reduce the Hose life. Particular
attention must be given to preclude sharp bending at the Hose to Fitting juncture.
Any bending during installation at less than the minimum bend radius must be
avoided. If any Hose is kinked during installation, the Hose must be discarded.
3.8
Twist Angle and Orientation: Hose Assembly installation must be
such that relative motion of machine components does not produce twisting.
3.9
Securement: In many applications, it may be necessary to restrain,
protect, or guide the Hose to protect it from damage by unnecessary flexing,
pressure surges, and contact with other mechanical components. Care must be
taken to insure such restraints do not introduce additional stress or wear points.
3.10
Proper Connection of Ports: Proper physical installation of the Hose
Assembly requires a correctly installed port connection insuring that no twist or
torque is transferred to the Hose when the Fittings are being tightened or otherwise
during use.
3.11
External Damage: Proper installation is not complete without insuring
that tensile loads, side loads, kinking, flattening, potential abrasion, thread
damage, or damage to sealing surfaces are corrected or eliminated. See
instruction 2.10.
3.12
System Checkout: All air entrapment must be eliminated and the
system pressurized to the maximum system pressure (at or below the Hose
maximum working pressure) and checked for proper function and freedom from
leaks. Personnel must stay out of potential hazardous areas while testing and
using.
3.13
Routing: The Hose Assembly should be routed in such a manner so
if a failure does occur, the escaping media will not cause personal injury or
property damage. In addition, if fluid media comes in contact with hot surfaces,
open flame, or sparks, a fire or explosion may occur. See section 2.4.
4.0
HOSE AND FITTING MAINTENANCE AND REPLACEMENT
INSTRUCTIONS
4.1
Even with proper selection and installation, Hose life may be
significantly reduced without a continuing maintenance program. The severity
of the application, risk potential from a possible Hose failure, and experience
with any Hose failures in the application or in similar applications should determine
the frequency of the inspection and the replacement for the Products so that
Products are replaced before any failure occurs. A maintenance program must
be established and followed by the user and, at minimum, must include
instructions 4.2 through 4.7.
4.2
Visual Inspection Hose/Fitting: Any of the following conditions require
immediate shut down and replacement of the Hose Assembly:
• Fitting slippage on Hose,
• Damaged, cracked, cut or abraded cover (any reinforcement
exposed);
• Hard, stiff, heat cracked, or charred Hose;
• Cracked, damaged, or badly corroded Fittings;
• Leaks at Fitting or in Hose;
• Kinked, crushed, flattened or twisted Hose; and
• Blistered, soft, degraded, or loose cover.
4.3
Visual Inspection All Other: The following items must be tightened,
repaired, corrected or replaced as required:
• Leaking port conditions;
• Excess dirt buildup;
• Worn clamps, guards or shields; and
• System fluid level, fluid type, and any air entrapment.
4.4
Functional Test: Operate the system at maximum operating pressure
and check for possible malfunctions and leaks. Personnel must avoid potential
hazardous areas while testing and using the system. See section 2.2.
4.5
Replacement Intervals: Hose assemblies and elastomeric seals used
on Hose Fittings and adapters will eventually age, harden, wear and deteriorate
under thermal cycling and compression set. Hose Assemblies and elastomeric
seals should be inspected and replaced at specific replacement intervals, based
on previous service life, government or industry recommendations, or when
failures could result in unacceptable downtime, damage, or injury risk.
See section 1.2.
4.6
Hose Inspection and Failure: Hydraulic power is accomplished by
utilizing high-pressure fluids to transfer energy and do work. Hoses, Fittings,
and Hose Assemblies all contribute to this by transmitting fluids at high pressures.
Fluids under pressure can be dangerous and potentially lethal and, therefore,
extreme caution must be exercised when working with fluids under pressure and
handling the Hoses transporting the fluids. From time to time, Hose Assemblies
will fail if they are not replaced at proper time intervals. Usually these failures
are the result of some form of misapplication, abuse, wear, or failure to perform
proper maintenance. When Hoses fail, generally the high-pressure fluids inside
escape in a stream which may or may not be visible to the user. Under no
circumstances should the user attempt to locate the leak by “feeling” with their
hands or any other part of their body. High-pressure fluids can and will penetrate
the skin and cause severe tissue damage and possibly loss of limb. Even
seemingly minor hydraulic fluid injection injuries must be treated immediately by
a physician with knowledge of the tissue damaging properties of hydraulic fluid.
If a Hose failure occurs, immediately shut down the equipment and leave the
area until pressure has been completely released from the Hose Assembly.
Simply shutting down the hydraulic pump may or may not eliminate the pressure
in the Hose Assembly. Many times check valves, etc., are employed in a system
and can cause pressure to remain in a Hose Assembly even when pumps or
equipment are not operating. Tiny holes in the Hose, commonly known as
pinholes, can eject small, dangerously powerful but hard to see streams of
hydraulic fluid. It may take several minutes or even hours for the pressure to be
relieved so that the Hose Assembly may be examined safely.
Once the pressure has been reduced to zero, the Hose Assembly may be taken
off the equipment and examined. It must always be replaced if a failure has
occurred. Never attempt to patch or repair a Hose Assembly that has failed.
Consult the nearest Parker distributor or the appropriate Parker division for Hose
Assembly replacement information.
Never touch or examine a failed Hose Assembly unless it is obvious that the
Hose no longer contains fluid under pressure. The high-pressure fluid is extremely
dangerous and can cause serious and potentially fatal injury.
4.7
Elastomeric seals: Elastomeric seals will eventually age, harden,
wear and deteriorate under thermal cycling and compression set. Elastomeric
seals should be inspected and replaced.
4.8
Refrigerant gases: Special care should be taken when working with
refrigeration systems. Sudden escape of refrigerant gases can cause blindness
if the escaping gases contact the eye and can cause freezing or other severe
injuries if it contacts any other portion of the body.
4.9
Compressed natural gas (CNG): Parker CNG Hose Assemblies
should be tested after installation and before use, and at least on a monthly
basis per AGA 1-93 Section 4.2 “Visual Inspection Hose/Fitting”. The
recommended procedure is to pressurize the Hose and check for leaks and to
visually inspect the Hose for damage.
Caution: Matches, candles, open flame or other sources of ignition shall not be
used for Hose inspection. Leak check solutions should be rinsed off after use.
Safety Guide for Selecting and Using Hose, Fittings and Related Accessories
www.comoso.com
