• Home
  • Download PDF
  • Order CD-ROM
  • Order in Print
Figure 3-6.  Trunnions and Guide Wheels
Figure 3-7. Drum Trunnion Alignment

TM-5-3895-374-24-1 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
Page Navigation
  552    553    554    555    556  557  558    559    560    561    562  
TM 5-3895-374-24-1 2. Install the assembly onto the mount and position the bearing housings within the scribe marks on the mount 3. Install the fasteners and tighten into place. 4 Without  disconnecting  the  chain  or  choker  around  the  drum,  lower  the  crane  or  hoist  so  that  the  weight  of  the drum  is  on  the  trunnion.    Check  the  trunnion  to  drum  ring  surface  and  see  that  it  is  aligned  correctly.    Adjust  if necessary following the procedures in Section 3-3-9. 5. Install the guard. This  procedure  may  be  repeated  for  the  other  trunnions  and  for  the  guide  wheels.    It  is  recommended  that  only  one trunnion assembly be removed at a time. 3-3-9 Drum Trunnion Alignment A DRUM ALIGNMENT When the drum is rotated under power without material in it, the feed end tire should ride just above the thrust wheel on the discharge side of the rear tire.  Materiel fed into the drum will tend to move the drum toward the feed end so that the feed end tire will run between the thrust rollers.  If the drum runs heavily against the discharge side thrust roller, raise the trunnion slightly on the discharge side nearest the discharge chute or raise the trunnion slightly on the side opposite the discharge nearest the burner end by jacking under the frame of the plant This will move the drum away from the discharge side thrust roller and toward the feed end. If the drum runs heavily against the feed end thrust roller, raise the trunnion slightly on the discharge side nearest the feed end or raise the trunnion slightly on the side opposite the discharge nearest the discharge end by jacking under the frame of the plant.  This will move the drum away from the feed side thrust roller and toward the discharge end. B TRUNNION ALIGNMENT The following is a list of indications that the trunnion rollers are not properly aligned. - “Pinging” of trunnion rollers with blue spots appearing on the surface of the tire. - Uneven wear on the drum tires or trunnion rollers. - Excessive movement of drum to the feed or discharge end. - Excessive bearing temperatures 1. The center line of the drum and all rollers must be parallel.  Use a straight edge and tape measure for this procedure. page 3-577







Western Governors University

Privacy Statement
Press Release
Contact

© Copyright Integrated Publishing, Inc.. All Rights Reserved. Design by Strategico.