Osha Free Printable Workplace Posters Posters Osha Demounting and Mounting Procedures for Tube-Type Truck and Bus Tires Poster

 Demounting and Mounting Procedures for Tube-Type Truck and Bus Tires PDF

The Demounting and Mounting Procedures for Tube-Type Truck and Bus Tires is an Osha workplace posters poster.

This official OSHA Poster reviews the procedures of mounting and demounting tube-type tires on trucks and buses. This includes bulletpoints of warnings and step-by-step instruction.


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1. Before inflating any tire rim/wheel assembly, be sure to read, understand and complywith ALL WARNINGS. For a tubetype tire, be certain that the side or lock ring is properly
seated.
\b. After mounting the tire on the rim, inflate to approximately 5 psi to seat the beads .
3. Place the assembly in an OSHAcompliant restraining device , such as a tire safety cage.
Photo 5A is an example of a portable device. Man
ufacturers recommend that restraining devices be
freestanding and located at least one foot away
from any flat or solid suface.
4. Inflate the tire, with the valve core removed ,
using a clipon air chuck with an inline valve or
pressure regulator and a sufficient length of hose.
Inflate to \b0 psi in restraining device. For tubetype tires, the tire can be deflated after reach
ing \b0 psi and reinflated to prevent inner tube
wrinkles.
IMPORTANT! Look for distortions, undulations,
or other irregularities in the tire sidewall, such as in
Photo 5\f. Listen for any popping or snapping
sounds. If ANY of these conditions are present —
STOP! DO NOT approach tire. \fefore removing
from restraining device, completely deflate tire re
motely. Remove clipon air chuck. Mark tire as
damaged for potential “zipper rupture”. Render tire unservicable, nonrepairable and scrap. 5. Visually inspect multipiece tire rim/wheel assemblies
throughout the inflation
process for improper seating of the rings and/or beads. When inflating a tire, stay out of the tra
jectory. (See “Trajectory” Warning below.) DO NOTstand or lean any part of your body against,
or reach over, the restraining device during inflation.
\f. Continue to inflate until the beads are seated on the rim/wheel. Inspect both sides of
the tire to be sure that the beads are evenly seated. NEVERinflate beyond 40 psi to seat any
tire beads. If the beads are not seated at 40 psi — STOP!Completely deflate, remove from the
restraining device, and determine the problem. Reposition the tire and/or inner tube on the
rim, relubricate, and reinflate.
7. After the tire beads are seated, continue to inflate the tire to its recommended infla
tion pressure.
IMPORTANT! Look for distortions, undulations, or other irregularities in the tire sidewall,
such as in Photo 5\f. Listen for any popping or snapping sounds. If ANY of these conditions are
present — STOP!DO NOT approach tire. \fefore removing from restraining device, completely
deflate tire remotely. Remove clipon air chuck. Mark tire as damaged for potential “zipper rup
ture”. Render tire unservicable, nonrepairable and scrap.
8. If none of these “zipper” conditions are present, remove clipon air chuck, install the
valve core, and adjust the inflation pressure to the recommended operating inflation
pressure.
9. Before removing the tire rim/wheel assembly from the restraining device, always visually
inspect for proper seating of the beads and all parts.
10. Conduct a final inspection. Check for air leaks. Install a suitable valve cap.	
CURRENT PRODUCTION: TWOPIECE SOLID RIM; SPLIT RING  LW\b FL
\bA.	
Make sure the top bead is unseated and below the side ring before at
tempting to remove it. Insert the tapered end of the lock ring tool into
the notch and pry the side ring out of the rim gutter. Lift wheel from
assembly.	
\bB.	Continue to remove the side ring by progressively prying around the
rim. Use small bites to prevent distorting the side ring.	
\bC.	Place a tire stand on the rim. Turn the assembly over. Unseat the bot
tom bead. Remove the tire from the rim. Remove the tube and flap
from the tire.	
CURRENT PRODUCTION: THREEPIECE SOLID RIM; SPLIT LOCK RING;
SOLID FLANGEM\b CR\b 5 DEGREE
\bD.	
Make sure the top bead is unseated and the flange is below the lock
ring before attempting to remove the lock ring. Insert the tapered end
of the lock ring tool into the notch and pry the lock ring out of the rim
gutter. Lift wheel from assembly.	
\bE.	Insert the lock ring tool between the lock ring and the flange. Remove
the lock ring by progressively prying around the rim. Use small bites
to prevent distorting the lock ring. Remove solid flange.	
\bF.	Place a tire stand on the rim. Turn the assembly over. Unseat the bot
tom bead. Remove the tire from the rim. Remove the tube and flap
from the tire.	
OBSOLETE*: SPLIT RIM; SOLID RINGK
\bG.	
Make sure the top bead is unseated and insert the tapered end of the
lock ring tool into the notch in the rim near the split. Push the tool
downward and toward the center of the rim. A block of wood may be
placed under the left side of the rim split to help offset the rim base.	
\bH.	Insert the tapered end of the lock ring tool into the second notch and
push downward toward the center of the rim, prying the solid side
ring from the rim. Remove the solid side ring.	
\bI.	Place a tire stand on the rim. Turn the assembly over. Unseat the bot
tom bead. Remove the tire from the rim. Remove the tube and flap
from the tire.	
OBSOLETE*: SOLID RIM; SOLID RINGRH; 5 DEGREE
\bJ.	
Make sure the top bead is unseated and insert the tapered end of the
lock ring tool into the notch in the solid side ring. This notch is lo
cated between the embossments on the solid side ring.	
\bK.	Push the solid side ring downward at a point opposite the notch. Force
the lock ring tool handle downward to pry the solid side ring from the
rim. Continue prying around the rim until the solid side ring is free.	
\bL.	Remove the solid side ring from the rim. Turn the assembly over and
unseat the other bead. Remove the rim from the tire.	
* NOTE:	These
rims are no longer in production and replacement parts are not
available.	
IF YOU DO NOT KNOW HOW TO USE TIRE SERVICING TOOLS —	STOP!	
TIRE SERVICING MUST ONLY BE PERFORMED BY TRAINED PERSONNEL.
FAILURE TO FOLLOW PROPER PROCEDURES CAN RESULT IN SERIOUS INJURY OR DEATH.	
BEFORE SERVICING \fNY TIRE RIM/WHEEL \fSSEMBLY MOUNTING TIRE ON RIM/WHEEL \fSSEMBLY	
•\f \f
L
LW
W \f
\fY
Y S
S
com	ply  with  the  procedures on  this  char t  and  in  the
tire/wheel manufacturer's catalogs\b instruction manuals or other
industry and government instructional materials. 
•  Before loosening any nuts or clamps that attach a tubetypetire/rim
assembly to a vehicle\b  AL\fAYScompletely deflate the tire (or both
tires of a dual assembly) by taking out the valve core(s). 
•  Use a nonflammable vegetable or soapbased rubber lubricant
on  the  beads  and  rim  surfaces  to  make  tire  demounting  and
mounting easier. 
•  Use proper tools to demount or mount tires and rims (refer to “Typ
ical Tire Service Tools”).  NEVE\buse a steel hammer to seat rim com
ponents—use only rubber\b plastic or brasstipped mallets. Striking a rim/wheel  assembly  with  a  hardfaced  hammer  can  damage  the
components and endanger the installer. Use a steel duck bill hammer
only as a wedge to unseat the beads of tubetype tires.  NEVE\bstrike
the tire/wheel assembly with a steel duck bill hammer to unseat the
beads and do not strike the head of the duck bill hammer with an
other hardfaced hammer – use a rubber mallet or plastic dead blow
hammer. Slide impact tools and hydraulic bead unseating tools can
also be used to unseat beads on tubetype tires.
•  NEVER reinflate any tire that has been operated in a runflat or
underinflated  condition (i.e.\b  operated  at  8\f%  or  less  of  recom
mended operating pressure). Demount\b inspect and match all tire
and rim components before reinflating in a restraining device with
the valve core removed.	
D E M O U N T I N G   A N D   M O U N T I N G   P R O C E D U R E S  
D E M OU N T I N G   A N D   M O U N T I N G   P R O C E D U R E S  
F O R   T	
U B E  T Y P E   T R U C K   A N D   B U S   T I R E S
F O R   TU B E  T Y P E   T R U C K   A N D   B U S   T I R E S	
TIRE AND RIM SERVICING CAN BE DANGEROUS AND MUST ONLY BE 
PERFORMED BY TRAINED PERSONNEL USING PROPER PROCEDURES AND TOOLS. 
FAILURE TO READ AND COMPLY WITH ALL OF THESE PROCEDURES MAY RESULT IN SERIOUS INJURY OR DEATH TO YOU AND OTHERS.	
Completely  deflate  any  tire  by  removing
the  valve  core  before  removing  the
tire/wheel  assembly  from  the  axle  if  there
is known or suspected damage to the tire or
wheel  or  if  the  tire  has  been  operated  at
8\f% or less of its recommended operating
pressure.  Demount\b  inspect  and  match  all
tire and rim parts before reinflating in a re
straining device.	NEVE\b use  star ter  fluid\b  ether\b  gasoline\b
or other flammable materials and/or accel
erants to lubricate the beads of a tire. This
practice can cause the explosive separation
of the tire/wheel during servicing or during
highway use\b which may result in serious in
jury or death.	NEVE\b inflate beyond 4\f psi to seat any
tire beads.  NEVE\bstand\b lean\b or reach over
the tire rim/wheel assembly in the restrain
ing device during inflation. Even if a tire is in
a restraining device\b inflating beyond 4\f psi
when trying to seat the beads is a DANGER
OUS  PRACTICE  that  may  break  a  tire  bead
or  the  rim/wheel  with  explosive  force  and
possibly result in serious injury or death. 	Any inflated tire mounted on a wheel con
tains explosive energy. The use of damaged\b
mismatched  or  improperly  assembled  tire
and  wheel  components  can  cause  the  as
sembly  to  separate  with  explosive  force.  If
struck  by  an  exploding  tire\b  wheel  compo
nent\b  or  the  air  blast\b  you  or  someone  else
may be seriously injured or killed.	Reassembly and inflation of mismatched
components  on  multipiece  tire  and  wheel
assemblies  can  result  in  serious  injur y  or
death. Just because the components come
in  or  fit  together  does  not  mean  they  are
matched.  Check  the  identification  stamps
for  proper  matching  of  all  rim  parts  before
assembling a multipiece tire and wheel.	Mismatching  tire  and  rim  diameters  is
dangerous.  A  mismatched  tire  and  rim  as
sembly may separate and can result in seri
ous injury or death. This warning applies to
15”  and  15.5”\b  16”  and  16.5”\b  18”  and
18.5”\b 22” and 22.5”\b 24” and 24.5” tire and
rim  assemblies  as  well  as  other  sized  as
semblies. NEVERassemble  a  tire  and  rim
unless you have positively identified and cor
rectly matched the tire and rim diameter.	
•	AL\fAYS wear adequate protective eyewear (or
face  shield)\b  protective  footwear\b  and  ear  pro
tection while servicing tires to avoid injury.
• NEVE\b use a tire tool for anything except de
mounting and mounting tires. •
NEVE\b use an extension or “cheater” bar with
tire irons. 
• AL\fAYS use softfaced hammers when driving
tire irons or assembling components. 
• NEVE\b use a hammer with a loose or cracked
handle.  •
NEVE\b use a bent\b cracked\b chipped\b dented or
mushroomed  tool.  Keep  tools  clean  and  in
spect them frequently. 
• NEVE\b alter  or  apply  heat  to  any  tire  service	
tool. 	
DEFL\fTING \fND DEMOUNTING TIRE FROM RIM/WHEEL \fSSEMBLY INFL\fTING TIRE RIM/WHEEL \fSSEMBLY	
1
1	
•
A\bWAY\f conduct  a  visual  and  tactile  inspection  of  the  tire\b
rim/wheel and its components.
• \bOOK and FEE\b for  any  damage  or  evi
dence  of  being  operated  overloaded
and/or in a runflat condition (8\f% or less
of  its  recommended  operating  inflation
pressure).	
Photo 3A is \bn \fx\bmpl\f of inn\frlin\fr d\bm\bg\f cr\f\bt\fd by \bn un
d\frinfl\bt\fd \bnd ov\frlo\bd\fd condition.	
R\fdi\fl  tires  th\ft  h\fve  undul\ftions
or irregul\fr sidew\fll distortions could possibly h\fve
perm\fnent  sidew\fll  structur\fl  d\fm\fge  (steel  cord
f\ftigue).  Ply  cords  we\fkened  by  underinfl\ftion
\fnd/or  overlo\fding  m\fy  bre\fk  one  \ffter  \fnother,
until \f rupture occurs in the upper sidew\fll with \fc
comp\fnying  inst\fnt\fneous  \fir  loss  \fnd  explosive
force. This c\fn result in serious injury or de\fth. \bol low  tire  industry  recommended  inspection  procedures  for  tires  with  these  ch\fr\fc
teristics. 	
Photo 3B is \bn \fx\bmpl\f of sid\fw\bll undul\btions indic\btiv\f of \b pot\fnti\bl “zipp\fr ruptur\f”.	
• Remove rust\b dirt\b or foreign material from all tire and rim/wheel mating surfaces.
• NEVER use any multipiece rim parts that are worn\b bent\b cracked\b
or  pitted  by  corrosion.  Clearly  mark  and  remove  all  unserviceable
parts from the service area.
• DO NOT rework\b weld\b heat or braze any rim parts or components
for any reason.
• A\bWAY\f find the identification stamp on multipiece rim compo
nents.  Check  Char t  3  MultiPiece  Rim  Matching  to  see  that  the
parts are properly matched.  NEVERuse a rim part unless you can
positively identify it from the markings stamped by the manufac
turer. If you cannot identify a multirim component\b  DO NOT U\fE
IT.  (See WARNINGS.)	
TUBETYPE; MULTIPIECE	
2
2	
INSPECTING TIRE \fND RIM/WHEEL COMPONENTS	
3
3	
• 
\fLW\fYS completely deflate the tire assembly before attempting to
demount. Remove the valve core and insert a wire down the valve
stem to ensure complete deflation. NEVER demount a tire from a
rim unless you are sure it is completely deflated. • 
Loosen  beads by  using  a  slide  impact  bead  unseating  tool\b  duck
bill  hammer  with  a  rubber  mallet\b  or  other  bead  unseating  tools.
Both beads must be loosened before demounting a tire.	
CURRENT PRODUCTION: TWOPIECE SOLID RIM; SPLIT RING  LW\b FL
4A.	
Lay the rim on the floor and align the valve stem  with the slot in the rim. Lift the tire
at the valve stem to work it onto the rim. For rims with bead humps, make sure the top bead
is below the bead hump before atte\Cmpting to install the side ring.	
4B.	Insert one end of the side ring into the rim gutter and use a rubber mallet or dead
blow hammer to progressively seat the \Cremainder of the side ring in \Cthe rim gutter.	
CURRENT PRODUCTION: THREEPIECE SOLID RIM; SPLIT LOCK RING; 
SOLID FLANGEM\b CR\b 5 DEGREE
4C.	
Lay the rim on the floor and align the valve stem with the slot
in  the  rim.  Lift  the  tire  at  the  valve  stem  to  work  it  onto  the  rim.  For
rims with bead humps, make sure the top bead is below the bead hump
before attempting to install the side ring. Install the flange making sure
it is below the rim gutter.	
4D.	Insert the end of the lock ring in the rim gutter and use a rub
ber mallet or deadblow hammer to progressively seat the remainder of
the lock ring in the rim gutter. 	
4E.	Ensure the lock ring is completely seated in the rim gutter by
using the rubber mallet or deadblow hammer before attempting to in
flate the tire.
T UBETYPE; MULTIPIECE	
• Insert the tube into the tire and inflate with just enough air to round
out the tube without creating wrinkles or creases.
• Insert the flap making sure the flap wings are not folded. 
• Remove the valve core from the valve stem to prevent trapped air from interfering with the proper seating of the side or lock ring into
the rim gutter.	
E X \f M P L E S   O F   U N S E R V I C E \f B L E   P\f R T S	
B E N T,  R U S T E D ,  C R \f C K E D ,  O R   W O R N   P\f R T S   C \f N N O T   B E   S \f F E LY   \f S S E M B L E D   \f N D   M U S T   B E   C L E \f R LY   M \f R K E D   \f N D   R E M O V E D   F R O M   T H E   S E R V I C E   \f R E \f .   R E P L \f C E   T H E M   W I T H   P R O P E R LY   M \fT C H E D ,  S E R V I C E \f B L E   P\f R T S .	
ANY INFLATED TIRE MOUNTED ON A WHEEL CONTAINS EXPLOSIVE ENERGY. THE USE OF DAMAGED\b MISMATCHED OR IMPROPERLY 
ASSEMBLED TIRE AND WHEEL COMPONENTS CAN CAUSE THE ASSEMBLY TO SEPARATE WITH EXPLOSIVE FORCE. IF STRUCK BY AN  EXPLODING TIRE\b WHEEL COMPONENT\b OR THE AIR BLAST\b YOU OR SOMEONE ELSE MAY BE SERIOUSLY INJURED OR KILLED.	
TIRE AND RIM SERVICING CAN BE DANGEROUS AND MUST ONLY BE PERFORMED BY TRAINED PERSONNEL USING PROPER PROCEDURES AND TOOLS. FAILURE TO READ AND COMPLY 
WITH ALL OF THESE PROCEDURES MAY RESULT IN SERIOUS INJURY OR DEATH TO YOU AND OTHERS.	
TR\fJECTORY	
THE AIR PRESSURE CONTAINED IN A TIRE IS DANGEROUS. THE SUDDEN RELEASE OF THIS PRESSURE BY A  TIRE BLOWOUT OR SIDE RING SEPARATION CAN CAUSE SERIOUS INJURY OR DEATH. 
STAY OUT OF THE TRAJECTORY AS INDICATED BY THE SHADED AREA DEPICTED IN THE GRAPHICS. 
WHEN INSTALLING THE TIRE RIM/WHEEL ASSEMBLY ON THE VEHICLE\b IT WILL BE IMPOSSIBLE TO STAY OUT OF THE TRAJECTORY.  HOWEVER\b AT ALL OTHER TIMES YOU AND ALL OTHERS MUST STAY OUT OF THE TRAJECTORY.	
4
4
5
5	
BEFORE INFL\fTING TIRE RIM/WHEEL \fSSEMBLY, 
\fLL RIM P\fRTS MUST BE PROPERLY M\fTCHED \fND INST\fLLED.
If the parts are not seated properly\b deflate the tire and
correct the problem before proceeding.   NEVE\battempt to seat any
part  on  a  multipiece  tire/rim  assembly  by  hammering\b  striking  or
pr ying  while  the  tire  contains  inflation  pressure.  Striking  the  as
sembly in this manner is a DANGEROUS PRACTICE that may result
in serious injury or death. 
AL\fAYSinflate the tire rim/wheel assembly in a re
straining device with the valve core removed. The air line assembly
must consist of the following components: a clipon air chuck\b an in
line valve with a pressure gauge or presettable regulator\b and suffi
cient hose length to keep the technician outside the trajectory during
inflation.  (See  “Trajectory”  WARNING below.)  DO  NOTrest  or  lean
any part of your body against the restraining device during inflation.
Failure to use a restraining device when inflating a tire rim/wheel as
sembly is not only a violation of OSHA regulation 191\f.177\b but also
a DANGEROUS PRACTICE that may result in serious injury or death. During inflation\b if ANY sidewall undulations or bulges
appear  or  if  ANY  snapping\b  cracking  or  popping  noises 
occur  —  STOP!DO NOT approach  tire.  Before  removing  from  re
straining  device\b  completely  deflate  tire  remotely.  Remove  clipon
air chuck. Mark tire as damaged for potential “zipper rupture”. Ren
der tire unservicable\b nonrepairable and scrap.
NEVE\binflate  beyond  4\f  psi  to  seat  any  tire  beads.
NEVE\b stand\b  lean\b  or  reach  over  the  tire  rim/wheel  assembly  in
the restraining device during inflation. Even if a tire is in a restrain
ing device\b inflating beyond 4\f psi when trying to seat the beads is
a  DANGEROUS  PRACTICE  that  may  break  a  tire  bead  or  the
rim/wheel with explosive force and possibly result in serious injury
or death.	
STEPBYSTEP I\f\bLATIO\f PROCEDURES	
PLEASE NOTE:  THIS IS CHART 2 OF A 3CHART SET. BE SURE TO ALSO READ\b UNDERSTAND AND COMPLY WITH 
CHART 1 RE: DEMOUNTING AND MOUNTING PROCEDURES FOR TUBELESS TRUCK AND BUS TIRES\b AND CHART 3 RE: MULTIPIECE RIM MATCHING	
2\f
2\f
2B
2B
2C
2C
2D
2D
2E
2E
2F
2F
2G
2G
2H
2H
2I
2I
2J
2J
2K
2K
2L
2L	
4\f
4\f
4B
4B	
4C
4C	
BEFORE MOUNTING \f TUBETYPE TIRE ON THE RIM/WHEEL 
\fSSEMBLY, BE SURE TO INST\fLL \fN INNER TUBE \fS FOLLOWS:	
TWOPIECE	THREEPIECE	
INCORRECT	CORRECT	INCORRECT	CORRECT	
NO\bE: Un\fer some circumstances, the trajectory may \feviate from its expecte\f path.	
5\f
5\f
5B
5B	
CURRENT \fRODUCTION MU\bTI\fIECE
OBSO\bETE MU\bTI\fIECE*	
\b\f
\b\f
\bB
\bB 4
4
D
D
/
/
4E
4E	
You have a right to a safe workplace.
If you think your job is unsafe and you have questions\b call OSHA. It’s confidential. We can help!	
www.os\fa.gov • (\b00) 321OSHA (6742) • TTY (\b77) \b\b95627	
OSHA\b3402\b10R11	
THIS CHART MUST BE PRINTED AT LEAST 2’ x 3’ MINIMUM SIZE.

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