NorthStar RIM Tach
®
8500 & 8500 Quad Instruction Manual
11
Dynapar (800) 873-8731 November 2008
Figure 4: RimTach
®
8500 Spoked Wheel Exploded View
0.625” – 1.250” ID
Optional Pulse Wheel Alignment Check
Locate four 5/16-inch diameter access holes on recessed area in the face of the enclosure. Pulse Wheel inspection holes are
located on a 4.63 diameter Bolt Center (BC).
Using a calibrated depth measuring tool (vernier caliper, depth gauge, etc.), measure through inspection hole to obtain
distance between recessed surface on enclosure and aluminum magnetic ring underneath.
Repeat for all four access 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 pulse wheel is not perpendicular to the shaft and will appear to
Sensor Module (note not all
options listed)
Part Number: RIMLD1200
RIMLD1024
RIMLD960
RIMLD600
RIMLD512
RIMLD480
RIMLD300
RIMLD256
RIMLD240
Mounting Studs & Acorn Nuts
Part Number: R8STUDKIT
Pulse Wheel – (note not all options
listed)
Part Number: Shaft Size:
PPR:
SL512J4SW 0.625 inch 512
SL512J5SW 0.875
inch
512
SL512J6SW 1.000
inch
512
SL512J7SW 1.125
inch
512
SL512J8SW 1.250 inch
512
8500 Housing
Part Number: RIM8.5
End of Shaft Cover
Part Number: RIM8.5-COVER-ES
8500 Probe Cover
Part Number: RIM8.5-SIDE COVER
Alignment screws
