✔ Read and follow all installation instructions. Description The HD9063 Series is a unitized two set point speed switch with SPDT relay outputs. HD9063 is a PC-board configuration with standoffs for mounting in a control panel or cabinet. Models are available for crank disconnect/overspeed and for underspeed/overspeed applications.
Crank Disconnect Relay An understanding of the crank disconnect function for your par- ticular system is critical to speed switch installation. It is also important to consider the 5 A current limitation of K1 relay con- tacts. Figure 1 illustrates the use of a low-current pilot relay to operate the high-current starter solenoid.
2. Connect the magnetic pickup cable conductors to terminals 6 and 7. 3. If cable is shielded, connect shield to engine chassis ground. 4. If desired, connect a normally open test push button switch between terminals 8 and 9. 5. Connect crank disconnect circuit to crank disconnect termi- nals 1 thru 3 as discussed in Crank Disconnect Relay Function, page 2.
Warranty A limited warranty on materials and workmanship is given with this FW Murphy product. A copy of the warranty may be viewed or printed by going to www.fwmurphy.com/support/warranty.htm FRANK W. MURPHY, LTD. Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.