20425610
5-2005/Rev 0
7-1
SECTION 7
ELECTRICAL SYSTEM
7.1 Overview
Major components of the electrical system for the S30 include the electric motor and the wiring
harness that connects the sensors and solenoid valves to the customer supplied controller.
The 12-lead electric motor can be wired for either wye-delta or across-the-line starting. The
motor includes a 9-post terminal block for the junction of motor and starter wire leads.
7.2 Optional System Components
The following system options are available at the time of purchase, or as upgrade kits for existing
equipment.
• The individual cables in the wiring harness are connected to terminals blocks inside the
optional junction box.
• Proportional pressure control allows the operator to select or vary the high pressure
hydraulic operating pressure from the controller.
7.3 Sensors and Solenoids
Sensors monitor operating conditions and electronically operated solenoids provide basic
intensifier shift control. The cables connected to these sensors and solenoids are bundled into a
wiring harness with a 37-pin connector, see Figure 7-2, Electrical Harness. Table 7-1 lists the
recommended shutdown settings.
Table 7-1
Recommended Shutdown Settings
Label Sensor Shutdown Setting
3S3/4 Low hydraulic oil level 21 gal (80 L)
3S3/4 High hydraulic oil temperature
144° F (62° C)
3S2 Booster pump overheat, optional
128° F (53° C)
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