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Instruction Manual

Rim Tach® RT8500
Magnetoresistive Encoder

Designed for use in
with .625” to 4.500” Thru-Shaft Applications and 1.125”,
2.125”, 2.375”, & 2.875” End-of-Shaft Applications

NorthStar

™ brand

1675 Delany Road  •  Gurnee, IL  60031
Phone: +1.800.873.8731 (toll-free)  •  847.662.2666  •  Fax: 847.662.6633
Email: [email protected]; [email protected]
www.dynapar.com

Manual Number: 791-1060-00 Rev. B
November, 2008

Summary of Contents for NorthStar Rim Tach RT8500

Page 1: ...haft Applications and 1 125 2 125 2 375 2 875 End of Shaft Applications NorthStar brand 1675 Delany Road Gurnee IL 60031 Phone 1 800 873 8731 toll free 847 662 2666 Fax 847 662 6633 Email custserv dyn...

Page 2: ...2 Dynapar 1 800 873 8731 November 2008...

Page 3: ...d Enclosure Installation 3 25 4 50 ID 15 Figure 8 Pulse Wheel Alignment Check Using Straight Edge 16 Figure 9 Enclosure Installation 17 3 4 End of Shaft Wheel and Enclosure Installation 17 Figure 12 P...

Page 4: ...ces and 3 all accessory devices associates with the work area have been de energized If high potential insulation test is required follow procedures and precautions outlined in NEMA standards MG 1 Gro...

Page 5: ...ing heavy duty one piece magneto resistance sensor module with encapsulated surface mount electronics The encapsulation provides resistance to water oil mist dirt high temperatures and other harsh env...

Page 6: ...al End Play Up to 0 050 Enclosure Configuration 8 5 inch diameter 180 C motor face or accessory flange to meet NEMA MG1 4 standards Slew Rate 3 600 RPM second12 000 RPM with optional high slew rate pu...

Page 7: ...siderations Do not hinder the latches on the connector if the connector is painted If the enclosure is painted before the sensor module s is added be sure to mask off the area where the sensor module...

Page 8: ...TO ENSURE PROPER ALIGNMENT WITH THE SENSOR 3 1 Thru Shaft Spoked Clamp Style Wheel 0 675 1 25 ID 3 2 Thru Shaft Ring Clamp Style Wheel 1 375 3 250 ID and High Slew Pulse Wheels 3 3 Thru Shaft Set Scr...

Page 9: ...the enclosure during installation permit better alignment to the motor and prevent the Pulse Wheel from being damaged Remove enclosure from packaging Determine which of two orientations of enclosure i...

Page 10: ...after the clamp begins to grip the shaft will provide full holding power Do not overtighten the pulse wheel Use the 9 64 inch hex wrench supplied with the unit Make sure the pulse wheel is touching al...

Page 11: ...ss holes Take an average of all four readings The range difference between high and low measurements of readings should be less than 0 010 inch 0 255mm If the range of the readings is greater the puls...

Page 12: ...0mm If the measurement does not correspond to this depth the position of the pulse wheel assembly must be adjusted Figure 5 Optional Pulse Wheel Alignment Check with Depth Gauge 3 2 Directions for Ins...

Page 13: ...tor face Push the wire ring along the shaft until it is seated into the pulse wheel s chamfer Push the clamping plate along the shaft until it is flush against the wire ring Align the clearance holes...

Page 14: ...nd slide on to motor facing Tap lightly with hand or hammer if needed to start enclosure to slide over motor facing Make sure clearance holes remain aligned Using a straight edge align the pulse wheel...

Page 15: ...of enclosure If not rotate the unit 180 Place enclosure on rods and slide on to motor facing Tap lightly with hand or hammer if needed to start enclosure to slide over motor facing Make sure clearance...

Page 16: ...our 1 2 13 cap nuts onto the remaining exposed mounting studs Tighten the nuts in an alternating star pattern Continue alternating and tightening until enclosure is seated Torque all cap nuts to a nom...

Page 17: ...tment procedure Place pulse wheel shaft recess over the end of the motor shaft Rotate the wheel so that the mounting bolt holes line up with the shaft tapped holes Press the wheel assembly onto the sh...

Page 18: ...h please refer to Section 2 2 6 for axial position adjustment Select the appropriate bolt to go through the center hole of the pulse wheel and into the center tapped motor shaft Place pulse wheel shaf...

Page 19: ...harp objects The sensor module can be damaged by sudden shocks dropping hammer blows etc Insert sensor module into opening in enclosure The sensor assembly is keyed to ensure proper orientation blue s...

Page 20: ...gure 15 Sensor Module s Installation There should not be a gap between the lip on the housing and the enclosure The stainless steel sensor module is designed to seat in metal to metal contact with the...

Page 21: ...nector housing Leave enough wire exposed to comfortably reach the terminal block Wire to terminal block according to wire code in Table 1 A similar wiring list is attached to enclosure Table 1 Signal...

Page 22: ...NorthStar RIM Tach 8500 8500 Quad Instruction Manual 22 Dynapar 800 873 8731 November 2008 Figure16 Quick Release Connector Installation...

Page 23: ...be obtained from a factory representative before returning the equipment to our service department When returning an instrument for service the following information must be provided before Dynapar ca...

Page 24: ...1675 Delany Road Gurnee IL 60031 Phone 1 800 873 8731 toll free 847 662 2666 Fax 847 662 6633 Email custserv dynapar com northstar techsupport dynapar com www dynapar com...

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