TM 5-3895-373-20
Table 2-1. Preventive Maintenance Checks and Services for
Model 780T Bituminous Asphalt Paving Machine - Continued
Location
Item
Interval
Procedure
Not Fully Mission
No.
Item to
Capable If:
Check/Service
b. Have a second person position ruler on
track frame (21) with end of ruler against
back outer edge of track idler (22).
Record measurement on rules from track
idler to track frame at track frame (19).
c. Apply pressure on pry bar toward paving
machine while second person allows
ruler to move as track idler (22) moves.
d. Release pressure on pry bar without
allowing
ruler
to
move.
Record
measurement on ruler.
e. Subtract measurement as recorded in
step d from measurement obtained in
step b. Measurement calculated is end
play
of
track
idler
bushings.
This
measurement must be less than 3/4 in.
(19 mm).
2-22
