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TLR-50 PNEUMATIC REMOTE CONTROLS
Page 4
3.1.4
Check to make sure that the remote control
handle lever is in the up (no blast) position, and that the
handle lever and safety lock move freely.
WARNING
All persons except for the machine tender must
stay clear of the blast machine. The blast
operator could pressurize or depressurize the
machine at any time. The noise generated by
the sudden release of compressed air when the
machine is pressurized or depressurized, may
startle bystanders, and could vent abrasive
under pressure. Either condition could result in
injury. The machine tender must wear a suitable
respirator, plus satisfactory eye, face, and
hearing protection.
WARNING
A separate manual is supplied with the remote
control handle. Do not operate the machine
before first reading the remote control handle
operating instructions.
3.1.5
Check to make sure that the handle lever will
not seal the opening on control handle, unless the safety
lever lock is pulled down.
3.1.10
When the blast operator is ready, either the
operator or the machine tender stands away from the
concave filling head of the blast machine, and the
exhaust port and then closes the safety petcock. Closing
the petcock prepares the machine for remote operation,
and activation by the control handle. Air should be heard
escaping from the orifice under the control handle lever
but nowhere else. The noise from air escaping at the
control handle is an audible signal, warning that air is
supplied to the blast machine, and will activate if the
control handle is pressed.
WARNING
Malfunctioning control handles could cause
unintentional actuation of a blast machine, or
prevent a machine from deactivating upon
release. Malfunctioning control handles must
be taken out of service immediately and
repaired or replaced. Serious injury or death
can result from unintentional blasting.
3.2 Blasting
3.1.6
Start the compressor, and bring it up to
operating temperature and pressure. Blasting pressure
is usually high than 50 pounds per square inch (psi) but
must not exceed the blast machine’s pressure rating.
WARNING
Failure to wear approved respirators could
result in serious lung disease or death.
Abrasive blasting produces harmful dust. Do
not blast without the use of a properly fitted and
maintained NIOSH-approved, type CE Supplied-
Air Respirator that is approved for abrasive
blasting. Everyone in the blasting area must
wear an approved respirator.
3.1.7
Fill the machine with screened, clean, dry
abrasive that is manufactured specifically for abrasive
blasting.
3.1.8
Open the compressor air supply valve to
pressurize the air supply line. Listen for noise that
indicates any open lines or leaks.
Abrasive blasting could cause abrasive
particles around the blast machine and blast
nozzle to become airborne. The loud sounds of
air released at the blast machine and nozzle
could cause hearing damage. Anyone in the
blasting area must wear approved eye
protection and hearing protection.
3.1.9
Do not allow anyone within 10 feet of the blast
machine except machine tenders who are appropriately
fitted with proper protective equipment, because the
blast operator could pressurize and depressurize the
machine without warning.
3.2.1
Operators must wear appropriate protective
gear, including: abrasive-resistant clothing, leather
gloves, eye and hearing protection, and a NIOSH-
approved Type CE Supplied-Air Respirator.