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Starrett 3814 - General Safety Instructions; Installation; Mounting the Tester; Leveling the Tester

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Operating Instructions & Parts Manual
Page 5
Scale
Indentor
Total force (Kg-F)
Hardness Range
A
120 Diamond
98.07N (60kgf)
HRA 20-88
B
1/16" Ball
980.7N (100kgf)
HRB 25-100
C
120 Diamond
1471 (150kgf)
HRC 20-70
See Page 13 for full Weight Load/Scale/Indentor Chart
General Safety Instructions
1. Never use clamps, straps, any other tooling or equipment to mount specimen to the tester anvil.
2. Always use the proper anvil supplied.
3. Be sure to use proper indentor and weight for material and hardness to be tested. (See Figure 3).
Hardness Tester Should Be Maintained
1. Consult operation instructions for specific maintaining and adjusting procedures.
2. Keep the tool clean for best results.
3. Remove adjusting tools and wrenches. Form habit of checking that adjusting tools are removed before using
machine.
4. Keep all parts in working order. Check to determine that the parts will operate properly and perform their
intended function.
5. Check for damaged parts. Check for alignment, binding, breakage, mounting and any other condition that may
affect tool's operation.
6. Part that is damaged should be properly repaired or replaced. Do not perform makeshift repairs. (Use the parts
list provided to order replacement parts.)
Installation
Hardness Tester must be installed in a dust and vibration free environment. Mount tester to a support bench or table
for a load of at least 500 lbs.
1. Position tester on support surface as desired, mark location of the 4 mounting holes in the corners of the frame
base and for the elevation screw on the support surface.
2. Drill 10mm (7/16") diameter holes at the 4 mounting hole locations. Drill a 2" diameter hole for the elevation
screw.
Caution: The hardness tester will not open to its full capacity unless the elevation screw is allowed to pass
through a hole on the support surface.
3. Bolt tester to support surface securely using the 4 each hex head bolts or use longer 10-1.5mm bolts if required.
Be sure tester is level both front/back and left/right to 0.002 in/in.
Basic Set-Up Information:
1) Remove Top crate cover from base. Carefully lift straight up to avoid scratching the side of the machine
2) Remove the tool kit and manual from the base of the crate
3) Remove plastic machine cover
4) With assistance, remove the two bolts under the base of the crate to remove the machine from the base.
5) Place machine on a sturdy vibration free table or bench. Bench should be rated for up to 500lbs.
6) It is recommended that the machine gets bolted to the table. To do this you should reference Figure 1 shown
below

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