11
2502 & A2502 Series Hydraulic Installation Tools (
HK837
)
Alcoa Fastening Systems & Rings
M
AINTENANCE
(
CONTINUED
)
NOSE ASSEMBLY MAINTENANCE
Clean nose assemblies in mineral spirits to clear jaws
and rinse metal chips and dirt. For a more thorough
cleaning, disassemble the nose assembly. Use a
pointed “pick” to remove imbedded particles from the
pull grooves of the jaws
Clean all parts of any assembly with UNITIZED
TM
Jaws
in mineral spirits or isopropyl alcohol only; do not let
jaws come in contact with other solvents. Do not let
jaws soak; dry them
immediately
after cleaning. Huck
recommends drying other parts before re-assembling.
For additional information, see the appropriate
Nose
Assembly Data Sheet
.
SPARE PARTS SERVICE KITS
Spare Parts Service Kits contain perishable parts
(O-rings, Back-up rings, and other standard items) for
your tool (see
K
ITS
& A
CCESSORIES
). For convenience,
and as experience indicates, keep extra kits and
tool parts on hand. As an alternative, you can obtain
O-rings and Back-up rings from any regular retailer
of these items; ask for O-ring
size
(AS 568-number):
material
and
durometer
. For additional information
and specifi cations on O-rings and Back-up rings, see
S
PECIFICATIONS
FOR
S
TANDARD
P
ARTS
.
Loctite is a registered trademark of Henkel Corporation, U.S.A.
Threadmate is a registered trademark of Parker Intangibles LLC.
Slic-tite is a registered trademark of LA-CO Industries, Inc.
LUBRIPLATE is a registered trademark of Fiske Brothers Refi ning Co
SUPER-O-LUBE is a registered trademark of Parker Hannifi n Corp.
Tefl on is a registered trademark of E. I. du Pont de Nemours and
Company.
CAUTION: Damaged jaw teeth, or debris
packed between teeth, will result in
fastener not being installed or being
improperly installed.
A
SSEMBLY
OF
NPTF T
HREADED
C
OMPONENTS
AIR FITTINGS
1) Apply TEFLON
®
stick to male threads which do
not have pre-applied sealant per manufacturer’s
recommendations. (Proceed to All Fittings step 2)
HYDRAULIC FITTINGS
1) Apply Threadmate™ to male and female threads
which do not have pre-applied sealant per
manufacturer’s recommendations. (Proceed to All
Fittings step 2)
ALL FITTINGS:
2) Tighten to fi nger-tight condition.
3) Wrench tighten to 2-3 turns past fi nger-tight condition.
4) Final thread engagement can be checked (optional)
by measuring the dimension from the fl ange of male
fi tting to the end of the thread before assembly
and subtracting the distance under the fl ange after
assembly.
THREAD SIZE
FINAL THREAD ENGAGEMENT AT FULL MAKE-UP
1/8-27 NPTF
.235 inch (.59 cm)
1/4-18 NPTF
.339 inch (.86 cm)
3/8-18 NPTF
.351 inch (.89 cm)
