18.7. Machinery Checklist.

18.7.1. Does the hood cover the part of the saw blade exposed above the material? Reference

18.7.2. Is a spreader provided at the table saw to prevent the wood from clamping down on the saw
blade? Reference

18.7.3. Are table throat openings kept as small as possible to prevent material from dropping below
the level of the table? Reference

18.7.4. Are anti-kickback dogs and fingers or safety hold-down wheels installed when material is
being ripped? Reference

18.7.5. Are anti-kickback dogs and fingers inspected before each use? Reference

18.7.6. Is the blade or cutting head inspected for proper cutting condition (e.g., teeth sharp and
properly set, no cracks, free of foreign residue) before a job is started? Reference

18.7.7. Do Services hobby shop supervisors label each saw with a sign or decal that states which
type blade is installed and what it is used for? Reference

18.7.8. Do operators take care not to crowd the saw (force material faster than it can be cut)?

18.7.9. Is a permanent line marked on the table in front of and in line with the saw blade to enable
the operator to set the rip fence without lifting the saw guard? Reference

18.7.10. Are hands kept out of the line of cut when feeding saws? Reference

18.7.11. Are feather boards used as side guides and top hold-downs on operations (rabbeting,
grooving and dadoing) when a saw blade hood cannot be used? Reference

18.7.12. Are radial saws equipped with a hood that encloses the saw blade and arbor ends?

18.7.13. Is the lower section of the hood hinged so it rises and falls, adjusting itself automatically to
the thickness of the material as the saw passes through it? Reference

18.7.14. Does the saw have a positive limit-stop to prevent the saw from traveling beyond the front
edge of the table? Reference

18.7.15. Is the direction of saw rotation conspicuously marked on the hood? Reference

18.7.16. Is a permanent decal that reads ―DANGER: DO NOT RIP OR PLOUGH FROM THIS
END‖ affixed to the rear of the saw guard at approximately arbor level? Reference

18.7.17. Is the locking device on the saw head securely fastened when angle or miter cuts are made?

18.7.18. When removing short pieces from a table close to a saw blade, does the operator ease the
saw back to the idling position and make sure all bouncing has stopped before placing hands on the
table? Reference

18.7.19. Are both upper and lower wheels completely enclosed on both sides of band saws?

18.7.20. Is the band saw guard self-adjusting, and does it completely cover the portion of the saw
blade between the guide rolls and the upper wheel enclosure? Reference

18.7.21. If material binds or pinches on the blade, is the saw turned off and blade motion allowed to
stop before the operator attempts to back the work away from the blade? Reference

18.7.22. Are jointers with front-table-mounted fences equipped with an adjustable device to prevent
thin stock from slipping laterally under the portion of the fence at the rear of the table? Reference

18.7.23. Is an automatic guard provided to cover the working and nonworking side sections of the
planer/jointer cutter head and prevent any opening between the guard and wood during the
operation? Reference

18.7.24. Do planer/jointer operators use hold-down push blocks, jigs or fixtures? Reference

18.7.25. Are guards provided for feed rolls, cutting heads and hold-down rolls at the discharge end
of power feed planers? Reference

18.7.26. Are feed rolls guarded by a metal strip in front of the rolls that will prevent an operator‘s
fingers being drawn into the planer/jointer? Reference

18.7.27. When other than corrugated top feeders are used, is an anti-kickback device installed on the
planer? Reference

18.7.28. Are shapers equipped with a braking device that will stop the cutting head within 10
seconds after power is shut off? Reference

18.7.29. Is a double-spindle shaper machine equipped with separate braking devices? Reference

18.7.30. Does the shaper fence extend at least 18 inches on either side of the spindle? Reference

18.7.31. Is a hinged metal shield or hood provided on rotating, cutter-type lathes? Reference

18.7.32. Is a brake installed on automatic lathes? Reference

18.7.33. Are guards that will contain the workpiece if it separates from its anchorage installed on
lathes used for turning long pieces of material? Reference

18.7.34. Is a guard installed on the feed rolls of self-feed sanding machines? Reference

18.7.35. Are guards installed at each nip point on a belt sanding machine? Reference

18.7.36. Are hold-down devices installed on table-type boring or mortising machines? Reference

18.7.37. Are feed chains and sprockets of double end tenoning machines completely enclosed?

18.7.38. Is the motor START switch on the machine protected against accidental or inadvertent
operation? Reference

18.7.39. Is machinery installed IAW the NEC? Reference

18.7.40. Are control switches available to workers at their operating positions so they do not need to
reach over moving parts of machinery? Reference

18.7.41. Is the stop control switch identified by a printed word or color coded red? Reference

18.7.42. Are under-voltage protective devices installed on machines that are not safeguarded to
protect the worker during under-voltage situations? Reference

18.7.43. Have installation safety offices and shop supervisors identified those machines that require
under-voltage protection? Reference

18.7.44. Are foot treadle controls protected against unexpected or accidental tripping? Reference

18.7.45. Are exposed non-current-carrying metal components of machines grounded?

18.7.46. Are all machine energy sources or energy isolating devices, such as disconnect switches or
circuit breakers, locked out or tagged out before maintenance is performed or major adjustments are
made with guards and panels removed? Reference

18.7.47. Are proper lockout/tagout procedures followed? Reference

18.7.48. Are machines or their dangerous moving parts positioned so hazardous areas are not
accessible or do not present a hazard to workers during normal operation? Reference

18.7.49. Before use of any safeguarding techniques, is a thorough hazard analysis made of each
machine and particular situation? Reference

18.7.50. Is the main source of power disconnected and locked in the OFF position when
maintenance, service or machine adjustments are made? Reference

18.7.51. Are safeguarding devices installed, adjusted, and used according to manufacturer‘s
operating and maintenance instructions? Reference

18.7.52. Are hazardous parts that are not protected by a safeguarding device, guarded IAW Reference

18.7.53. Whenever a guard is removed for other than an operational requirement, is the machine shut
down and the control switch(s) locked and tagged in the OFF position? Reference

18.7.54. Are enclosure and barrier guards interlocked with the machine control so the machine
cannot be activated unless the guard or the hinged or movable sections of the guard are in position?

18.7.55. Are fan blades guarded when the blades are less than seven (7) feet above the floor or
working level? Reference

18.7.56. Are all guards designed and installed so no part of the body can be inadvertently placed in,
on, under or over the edges of the guard where it might contact a moving part? Reference

18.7.57. Does the installation CE or Ground Safety office determine the best material for guard
construction in environments where chemical or corrosive operations are performed? Reference

18.7.58. Are pulleys with cracks or pieces broken out of the rims taken out of service? Reference

18.7.59. Do operators and maintenance personnel inspect guards prior to use and after maintenance?

18.7.60. Are holding tools used only to supplement guard protection when it would otherwise be
necessary to place hands in the danger zone? Reference

18.7.61. Are presence-sensing devices used only on part-revolution clutch presses? Reference

18.7.62. Are press areas not protected by presence-sensing devices guarded? Reference

18.7.63. Do buttons on two-hand control devices operate only when the buttons are depressed
concurrently and continuously (holding time) on the press downstroke or else is the clutch
disengaged, the brake applied and the slide stopped? Reference

18.7.64. Are energy controls isolated by a lockout device and safety blocks during press repairs or
alterations of the die area? Reference

18.7.65. Are operating levers on hand-tripped machinery with more than one operating station
interlocked? Reference

18.7.66. Is a means provided to select OFF, INCH, SINGLE STROKE or CONTINUOUS modes
of operation integrated with the clutch brake control to govern the operation mode of the press?

18.7.67. During the inch operating mode, is concurrent use of both hands required to actuate the
press clutch? Reference

18.7.68. For presses with a single control, is it protected against accidental actuation and located so
the worker cannot reach into the point of operation while actuating the control? Reference

18.7.69. Are individual operator‘s two-hand trip controls designed and constructed so use of both
hands is required to protect against unintentional press operations? Reference

18.7.70. Do two-hand trip systems on full-revolution-clutch presses provide anti-repeat protection
for operators? Reference

18.7.71. When two-hand trip systems are used on multiple operator press machines, does each
operator have a separate set of controls? Reference

18.7.72. Are operators provided picks, pliers, tongs and other hand-feeding tools required for the
safe handling of stock, dies or materials? Reference

18.7.73. Is a die setter‘s safety bar used for turning the flywheel when the power is off? Reference

18.7.74. Are power presses safeguarded to prevent the operator‘s hands entering the area between
the dies during press cycling? Reference

18.7.75. Is a power disconnect or Stop switch (capable of being locked) provided on hydraulic
presses? Reference

18.7.76. When using shears, is the area where sheared or punched refuse drops barricaded to prevent
injuries to operators and helpers? Reference

18.7.77. Are shears equipped with an emergency stop control? Reference

18.7.78. Are tools adjusted in lathe tool rests so they are slightly above the center? Reference

18.7.79. When chips are generated during lathe use, is a tool, puller, brush or shovel used to remove
them? Reference

18.7.80. Is a chip shield provided on planers to prevent chips from flying and striking personnel?

18.7.81. Do the supervisor and installation Ground Safety office develop requirements on machine
safe-guards for saws not covered in this standard? Reference

18.7.82. Are both upper and lower wheels of bandsaws completely enclosed on both sides?

18.7.83. Is there a self-adjusting guard on the bandsaw that will completely cover the saw blade
between the guide rolls and the upper wheel enclosure? Reference

18.7.84. Are vises, fixtures and other work-holding equipment used on hacksaws to hold the
workpiece securely? Reference

18.7.85. Are riveting machines guarded to prevent operators placing their hands between dies?

18.7.86. When more than one operator is required to operate a machine from different control
stations, is each station provided with a cycle start button? Reference

18.7.87. Are all cycle start buttons other than the one being used made inoperative (when one
operator can operate the machine from more than one station)? Reference

18.7.88. Are the emergency stops color coded red and located at each operator control station?

18.7.89. Can machine motions that are stopped by the emergency or master switch only be restarted
by deliberate action by the operator? Reference

18.7.90. Do circuits employing accumulator tanks automatically vent the accumulator pressure or
isolate the accumulator when the machine is shut off? Reference

18.7.91. Are non-vented accumulators identified with a sign saying ―WARNING: PRESSURIZED
VESSEL‖ or the nearest commercially available equivalent? Reference

18.7.92. Are flexible pneumatic and hydraulic hoses arranged so they do not create a tripping
hazard? Reference

18.7.93. Whenever pressure is maintained after power is off, is a warning plate used? Reference

18.7.94. Are local exhaust ventilation systems provided and used when dry grinding, polishing or
buffing is performed to maintain employee exposures within permissible exposure limits? Reference

18.7.95. Are abrasive wheel machines only operated with safety guards installed? Reference

18.7.96. Are work rests used during all off-hand grinding operations? Reference

18.7.97. Are work rests adjusted closely to the wheel with a maximum opening of 1/8 inch to
prevent work being jammed between the wheel and rest? Reference

18.7.98. Are operators prevented from using abrasive grinding wheels to grind aluminum, brass,
copper or other soft metals (unless the wheel is specifically designed for that purpose)? Reference

18.7.99. Are operators prevented from using the side of the wheel for grinding (other than wheels
designed for that purpose)? Reference

18.7.100. Do all operators ensure that the grinders, buffers and wire brush machines are turned off
when work is completed or prior to leaving the vicinity of the machine? Reference

18.7.101. Do the operators wear safety glasses or goggles for protection of the eyes, and a face
shield for protection from wheel breakage, sparks and other grinding debris? Reference

18.7.102. Are safety guards in place prior to starting a grinder? Reference

18.7.103. Do personnel wear face shields over safety glasses for face protection when dressing
grinder wheels? Reference

18.7.104. On grinding wheels requiring guards, does the guard cover the spindle end, nut and flange
projections? Reference

18.7.105. Where the work is applied to the grinding wheel above the horizontal center line, is the
exposure of the grinding wheel periphery as small as possible and not over 60 degrees? Reference

18.7.106. Do supervisors of operations that use materials such as magnesium, titanium, thorium, and
beryllium contact installation Ground Safety office, FES Flight and BE for assistance to determine
safe work practices and protective equipment needs? Reference

Please note that this checklist is a hypothetical example and provides basic information only. It is not intended to take the place of, among other things, workplace, health and safety advice; medical advice, diagnosis, or treatment; or other applicable laws. You should also seek your own professional advice to determine if the use of such checklist is permissible in your workplace or jurisdiction.