Enerpac BhP-1752 Instrucciones página 3

operator has a full understanding of all
instructions, safety regulations, cautions
and warnings, before starting to operate
any of this high force tool equipment. when in doubt,
contact Enerpac.
all BhP Puller Sets are equipped with a single-
acting, spring return cylinder and a handpump. For
complete operating instructions refer to the instruc -
tion sheet included with each pump and cylinder.
handpumps to operate single-acting cylinders are
equipped with a release valve to release pressure.
Close the release valve, raise and lower the pump
handle to advance the cylinder. To retract the
cylinder, open the release valve.
advance and retract the cylinder several times
avoiding pressure build-up. air removal is complete
when the cylinder motion is smooth.
Build up your application as shown in illustr. 1 below
and illustration 5 on page 6. Remember that the triple
grip puller provides a more stable and secure grip,
with a more even pulling force than the double grip
puller. Do not exceed 50% of the rated puller capacity
with a double grip puller. Start pumping and apply
hydraulic pressure gradually to remove the part.
illustration 1 - Grip Pullers
Removing pulley with
2-jaw grip puller
(double crosshead)
It is mandatory that the
Removing pulley with
3-jaw grip puller
(triple crosshead)
Build up your application as shown in illustration 2
with the internal grip puller. See also illustr. 7 page 8.
align puller legs and arms and apply hydraulic
pressure gradually to remove the part.
illustration 2 - Crosshead puller with bearing cup
puller attachment
The cylinder must be positioned above the
slotted crosshead. align puller legs and adjusting
screw and apply hydraulic pressure gradually to
remove the part.
Build up the application as shown in
illustration 3. Notice that the cylinder must be
positioned under the slotted crosshead. align puller
legs and adjusting screw and apply hydraulic
pressure gradually to remove the part.
illustration 3 - Pushing with cross bearing puller
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