Starrett 3818 Operating Instructions & Parts Manual

A
nAlog superficiAl rockwell
hArdness tester
MODEL NO. 3818
OPERATING INSTRUCTIONS & PARTS MANUAL
Please read and save these instructions. Read carefully before attempting to assemble,
install, operate or maintain the products described. Protect yourself and others by
observing all safety information. Failure to comply with instructions could result in
personal injury and/or property damage! Retain Instructions for future reference.
DESCRIPTION
The 3818 Hardness Tester accurately measures hardness of materials
in Rockwell N and T scales. Heat-treated steels are tested using a 120°
diamond indenter in the N-scale. Soft/thin materials are tested using a
1/16" carbide ball indenter in the T-scale. This tester features a weight
adjustment knob for quick and easy adjustments between different
scales. Release/reset lever is provided for quick and accurate testing.
Hardness Tester includes standard, large and V-shaped anvils for holding
small, large and round or curved materials. Storage box, test blocks,
120° diamond indenter and a 1/16"carbide ball indenter.
TOOL KIT:
A. Large Anvil
B. V-shaped Anvil
C. Small Round Anvil
D. Calibrated Test Blocks
1. One each, HR15N
2. One each, HR30N
3. One each, HR45N
4. One each, HR15T
5. One each, HR30T
6. One each, HR45T
E. 120° Diamond Indenter
F. 1/16" Carbide Ball indenter
G. Storage Case
IMPORTANT!
Do Not Discard Shipping Crate as This May be Needed for Future
Transportation.
• Be sure tester is level both front/back and left/right to 0.002 in/in.
PKG08856-UM3818
Metrology Solutions
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 indenter and weight
for material and hardness to be tested. (See
Figure 3).
HARDNESS TESTER SHOULD BE PROPERLY
MAINTAINED
1. Consult operation instructions for specific
maintenance and adjusting procedures.
2. Keep the machine clean for best results.
3. Remove adjusting tools and wrenches from
work space.
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.)
TECHNICAL SUPPORT:
(201) 962-8352
starrett.com