Pitch Diameter Gage Operation Manual
Models MRP 1500/2500/3500
Copyright © 2018 Gagemaker. All rights reserved
32
Setting Up the MRP Gage for Internal Measurements
Materials Needed:
MRP gage
3/16” hex wrench (supplied with gage)
Pivot shoes
7/64” hex wrench (supplied with gage)
Setting up the MRP gage, involves positioning the upper and lower block correctly, and installing the
arms and pivot shoes on the gage.
1. Before beginning, ensure the upper and lower
blocks are positioned properly by inserting the
arms as shown in the diagram.
If the arms slant outward as shown, the
gage is set for internal measurements and
no changes are necessary.
If the arms slant inward, the gage is set for
external measurements and must be
changed by following the steps below.
2. Using a 3/16” hex wrench, loosen the set
screws in the upper block.
Upper Block
Lower Block