Parr Instrument Optical Tach Package - Manual (Page 2)

PARR INSTRUMENT COMPANY
211 Fifty-Third Street
Moline, Illinois 61265 USA
309/762-7716 800/872-7720
Fax 309/762-9453
http://www.parrinst.com • E-Mail: [email protected]
16.
Secure the tach harness to the DPM by inserting cable clamp (186DD2) around the tach harness.
Insert remaining #4 x 1/2 fillister head machine screw thru #6 flat washer, cable clamp, and into
upper R.H. boss (as viewed from the front) on the back side of the DPM. Tighten to secure.
17.
Route tach harness under formed metal wire retainer (near hinged area) by removing one wire
retainer attaching screw. Reposition wire retainer, reinstall screw and tighten securely.
18.
Remove and discard 3/8 diameter hole plug from hole marked "RPM INPUT" on the back panel
of the controller.
19.
Remove nut from the phone jack connector of the tach harness assembly and install the threaded
portion of the phone jack connector thru the hole marked "RPM INPUT". Secure connector with
the nut on the outside of the controller rear panel.
20.
Attach the white wire of the tach harness assembly to any available position on terminal #9 of the
terminal block located on R.H. bottom side of the controller.
21.
Attach the black wire of the tach harness assembly to any available position on terminal #10 of
the terminal block located on R.H. bottom side of the controller.
22. Close hinged front cover and reinstall the (2) retaining screws removed in step 1.
23.
Install phone plug end of external optical tach harness assembly into the phone jack (RPM
INPUT).
24.
Reconnect power cord for the 4840 series controller.
Printed 11/02/06