2
2.3 Multi-Purpose Puller Sets
BHP-1752, BHP-2751G, BHP-3751G and BHP-5751G
multi-purpose puller sets are a combination of the
above mentioned grip puller sets and cross bearing
puller sets to provide maximum application flexibility
in pulling and pushing applications in maintenance
and repair. See table C (page 12) for individual
components.
3.0 GENERAL SAFETY ISSUES
Failure to comply with the following cautions
and warnings could cause equipment damage or
personal injury.
WARNING: DO NOT exceed 50% of
the rated puller capacity when using a
double crosshead (2 grip arms): do not
exceed 350 bar (5,000 psi) when using
a hydraulic puller in this application.
WARNING: DO NOT exceed 50% of the
rated puller capacity when using the
puller legs in combination with bearing
puller attachment: do not exceed 350
bar (5,000 psi) when using a hydraulic
puller in this application.
IMPORTANT: It is recommended to use
the triple crosshead (3 grip arms) which
gives a more secure grip, a more even
pulling force and is more stable than the
double crosshead (2 grip arms).
WARNING: To avoid personal injury
and equipment damage, make sure all
hydraulic components withstand the max.
hydraulic pressure of 700 bar [10,000 psi].
IMPORTANT: Use hydraulic gauges in
each hydraulic system to indicate safe
operating loads.
WARNING: Make sure that all system
components are protected from external
sources of damage, such as excessive
heat, flame, moving machine parts, sharp
edges and corrosive chemicals.
CAUTION: Avoid sharp bends and kinks
that which will cause severe back-up
pressure in hoses. Bends and kinks lead
to premature hose failure.
WARNING: DO NOT handle pressurized
hoses. Escaping oil under pressure can
penetrate the skin causing serious injury.
If oil is injected under the skin see a
doctor immediately.
WARNING: The operator must take
precaution against injury due to flying
debris caused by failure of the tool or
workpiece.
WARNING: DO NOT use this equipment
in circumstances where a sudden release
of pressure can result in loss of balance
causing damage or injury.
WARNING: DO NOT overload equipment.
Use the right size puller. When you have
applied maximum force, but the part will
not move, go to a larger capacity puller.
Resist sledging.
IMPORTANT: It is impossible to predict
the exact force needed for every pulling
situation. The amount of press fit and
force of removal can vary greatly between
jobs. Set-up requirements along with the size, shape
and condition of the parts being pulled are variables
which must be considered. Study each pulling
application before you select your puller.
IMPORTANT: Apply force gradually.
Align puller legs and grip arms. Be sure
the setup is rigid and puller is square with
the work.
WARNING: Immediately replace worn
or damaged parts with genuine Enerpac
parts. Enerpac parts are designed to fit
properly and withstand rated loads.
4.0 INSTALLATION
4.1 Grip pullers
Illustration7 on page8 shows how to build-up your
grip puller. The numbers in Illustration7 correspond
with the parts numbered in table A on page9.
4.2 Cross bearing pullers
Illustration8 on page10 shows how to build-up your
cross bearing puller. The numbers in Illustration 8
correspond with the parts numbered in table B on
page11.
4.3 Internal pullers
Illustration 9 on page 10 shows how to build-up
your internal puller. The numbers in Illustration 9
correspond with the parts numbered in table B on
page11.
