16
L4627_b
NOTICE
Remind that to connect hydraulic hoses, cylinders must
be retracted and in horizontal position. If hoses are
connected with cylinders in the vertical position it may
be impossible to connect the hose in the small chamber
due to the pressure created by plunger weight.
8.2 Manual SHS HPU Operation
WARNING
Be sure the operator has completed safety induction
training, specific to the work surroundings. The
operator should be thoroughly familiar with the
controls and the proper use of the tool.
1. Electrical power must be given to the HPU
connecting the main power source to the electrical
plug located on right side of the HPU controls.
2. To power on the HPU, the Start Motor Button must
be pushed.
CAUTION
Assure that the setup is stable and check all
hydraulic connections before making movements
with Synchoists.
3. To retract the cylinders plunger and pull the load,
pull up the control levers.
4. To extend the cylinders plunger and lower the load,
pull down the control levers.
Figure 17: Control Levers
NOTICE
It is possible to move more than one cylinder at the
same time.
WARNING
Be certain that no persons are working on or near
the SHS before moving of the load begins. Alert all
personnel in advance that the procedure is about to
occur.
9. Maintenance
& Inspection
In order to keep the SHS in a good working condition,
good quality maintenance is required. Periodic
preventive inspection and maintenance are necessary to
keep SHS in good operating condition at all times. The
early recognition and elimination of minor irregularities
and immediate replacement of worn and damaged
parts will help prevent downtime, associated costs and
safety issues.
9.1 Modifications
• Perform the prescribed maintenance tasks at the
prescribed times and observe the details regarding
the replacement of components.
• If modifications to the machine are performed
without the manufacturer’s permission, the
warranty becomes invalid.
WARNING
Any Modifications to the SHS could cause a
dangerous situation.
NOTICE
Only use OEM parts. Failure to use OEM replacement
parts may void the warranty. Enerpac cannot assume
resposibility for damage or injury resulting from use of
non-OEM replacement parts.
9.2 Safety During Maintenance
The following instructions are general safety rules for
maintenance personnel:
1. The operator must familiarize with the system and
its operating procedures.
2. Do not perform maintenance work unless you are
authorized to do so. Unauthorized personnel must
not work on the SHS.
3. Observe all safety and warning signs on the SHS.
4. Observe all safety instructions contained in this
manual.
5. Observe the applicable safety regulations when
working with inflammable fluids.
6. Perform maintenance work only after the motor
has been switched off. Always ensure that the SHS
is protected from unauthorized operation before
beginning maintenance work.
7. Be sure the hydraulic system is despressurized,
before starting maintenance operations at the
hydraulic system.
8. In some cases, maintenance needs to be carried
out on motors, and other components during
