DRESSTA TD-25M EXTRA, Service Manual

Page: 564 / 595

SECTION 15
TRACKS OR WHEELS
Page 18
TD-25M EXTRA DRESSTA
TRACK CHAIN
8. INSTALLATION
Installing Chain when Removed from Under Machine
1. Raise machine with suitable lifting equipment. Properly place suitable capacity stands under
machine frame and remove lifting equipment. With suitable lifting equipment, arrange track
chain under sprocket, rollers and front idler. Split link half with wearing surface toward next
regular link should be positioned before front idler. Align track chain on ground with sprocket.
2. With suitable lifting equipment, start to engage sprocket teeth with split link half which has track
shoe surface. Start machine and slowly turn the sprocket. Make sure track chain is pulled up
and onto sprocket. Continue to guide track chain over top idlers and over front idler.
3. Block track chain on front idler as shown in Fig. 15.3. Be sure mating surfaces of split link are
clean. Interlock split link halves in front of front idler with the hammer. Install split link bolts
checking visually and by hand tightening to insure alignment. Care should be exercised not to
strip tapped holes. Remove master link bolts and install track shoe. Coat split link bolt threads
with engine oil and torque to 650 ± 70 [Nm] + 120 [°] of turn. Refer to MAINTENANCE in this
Section.
4. Adjust track tension, refer to SPECIFICATIONS in this Section and OPERATOR’S MANUAL.
Installing Chain when Not Removed from Under Machine
1. Position split link half with wearing surface and next link just past front idler. Block track chain on
front idler as shown in Fig. 15.3. Align track on ground with sprocket. With suitable lifting
equipment, start to engage sprocket teeth with split link half which has track shoe surface.
2. Make sure track chain is pulled up and onto sprocket. Continue to guide track chain over
top idlers and over front idler. Be sure mating surfaces of split link are clear. Interlock
split link halves in front of front idler with the hammer. Install split link bolts checking visually and
by hand, tightening to insure alignment. Care should be exercised not to strip tapped holes.
Remove split link bolt and install track shoe. Coat split link bolt threads with engine oil and
torque to 650 ± 70 [Nm] + 120 [°]
of turn. If only leaking joints were rebuilt, install track shoes on
both sides of repaired joints.
3. Adjust track tension, refer to SPECIFICATIONS in this Section and OPERATOR’S MANUAL.