3
Safety Recommendations
The guard must be securely attached to the grinder with all bolts,
nuts and lockwashers in place and torqued to 30 - 40 in. lbs..
The speed rating, warning tags and warning labels should be
maintained or replaced for legibility in the event or damage.
Speed rating, warning tags, and warning labels are available
from the manufacturer.
Before mounting a wheel, after all tool repairs, and whenever a
grinder is issued for use, check the free speed of the grinder with
a tachometer to make certain that the actual free speed at 90 psig
(6.2 bar) does not exceed the rated free speed stamped on the
tool. Grinders in use on the job must be similarly checked at least
once every twently hours of operation, or once every week,
whichever is more frequent. Checking free speed after the
removal of each worn wheel and before mounting a new wheel
is highly recommended.
INSPECT THE GRINDING WHEEL!
Check the maximum safe RPM marked on the wheel. Never use
a wheel rated below the actual tool speed. Inspect the wheel
for cracks or chips, water stains, or signs of abuse or improper
storage. Cracked, chipped or faulty grinding wheels are
dangerous and must not be used. They must be destroyed
rather than risk their use by someone who may not notice that
they are damaged.
Causes of abrasive wheel failures have been traced to such
factors as:
• Dropping, bumping, or abuse (careless handling
of the grinder or wheel)
• Improper mounting
• Imbalance
• Improper shipment or storage
• Exposure to water, solvents, high humidity, freez-
ing and extreme temperatures
• Mismatched speed ratings
• Age
Abrasive wheels known to have been subjected to any of the
above conditions can burst violently. Never operate a verti-
cal grinder without proper wheel guard in place.
CHECK FLANGE
Check the grinder spindle and driving flange for signs of damage
or abuse. On a vertical grinder the driving flange must be flat,
unrelieved, and free of nicks and burrs. The spindle must not be
bent and the threads should be free of any damage that might
keep an abrasive wheel and its mount from locating centrally or
seating properly against the driving flange.
ABRASIVE WHEEL MOUNTING & BEGINNING GRINDING
OPERATION
Wheel must be sufficiently tightened to prevent wheel spin off.
Do not over-tighten. Always use a wheel retainer on Type 6 or 11
wheels (cup wheels).
Before beginning operations or after mounting a wheel, the tool
must be run for one (1) minute in a protected enclosure to check
the integrity or the wheel. During this time or any other time, no
one should stand in front of or in line of the wheel. When starting
work with a cold wheel, apply it gradually to the workpiece until
the wheel becomes warm.
DO NOT CONTINUE TO USE A GRINDER IF:
• It is not equipped with the proper wheel guard
• The speed rating of the wheel is less than the
speed of the grinder
• It starts to vibrate
• You sense any changes in tool speed or an
unusual increase in noise output that would
indicate the tool is running at excessive speed
• You notice excessive end play in the spindle
• You hear any unusual sound from the grinder
RETURN THE TOOL TO THE TOOL CRIB FOR SERVICE
IMMEDIATELY!
1
2
3
4
5
6
0
202370
SPEED RATING
AND WARNING TAG
203011
WARNING TAG
202408
WARNING AND
INSTRUCTION LABEL
OVER
CAUTION
!
Personal hearing protection is
recommended when operating
or working near this tool.
WARNING
!
Impact resistant eye protection
must be worn while operating
or working near this tool.
Read Operating Instructions carefully. Follow
the Safety Recommendations for your safety
and the safety of others.
Hearing protection is recommended in high noise
areas (above 85 dBA). Close proximity of other
tools, reflective surfaces, process noises, and
resonant structures can substantially contribute
to the sound level experienced by the user.
WARNING
!
Repetitive work motions and/or vibration
can cause injury to hands and arms.
Use minimum hand grip force consistent with
proper control and safe operation.
Keep body and hands warm and dry.
Avoid anything that inhibits blood circulation.
Avoid continuous vibration exposure.
Keep wrists straight.
Avoid repeated bending of wrists and hands.
Do not remove this tag until
the operator of this tool has
read these safety precautions.
869974
WARNING TAG
TACHOMETER
WARNING
!
Fragments from an abrasive wheel
can cause serious injury or death.
Do not operate without proper
wheel guard in place.
Summary of Contents for 1200 Series
Page 6: ...6 ...
Page 9: ...9 NOTES ...
