TM 5-3895-373-20
15.20.
ADJUST AND ALIGN MAIN AND EXTENSION SCREED PLATES - Continued.
C.
ALIGN - Continued.
j.
Start paving machine, fully extend screed
extensions, and shut down paving machine
per TM 5-3895-373-10.
WARNING
Screed
operations
present
a
crushing hazard. Stay clear of
screed during screed operations.
Failure to do so may result in death
or serious injury.
NOTE
Cribbing is used under the screed
only as a safety precaution. Do not
lower the screed onto the cribbing.
Cribbing
may
have
to
be
repositioned
during
alignment
procedure to allow for placement of
straightedge
and
to
view
measurement points.
k.
Place straightedge (10) along bottom of
main screed plate (11) and across inside of
extension screed plate (21) at D-D. The
straightedge should be touching leading
and trailing edges of main screed plate and
trailing edge of extension screed plate.
The leading edge of the extension screed
plate should be 0.13 to 0.19 in. (3,2 to 4,8
mm) above straightedge. Continue to next
step.
l.
Place straightedge (10) along bottom of
main screed plate (11) and across outside
of extension screed plate (22) at E-E. The
straightedge should be touching the trailing
edge of main screed plate and trailing edge
of extension screed plate. Leading edge of
main screed plate and leading edge of
extension screed plate should be 0.13 to
0.19 in. (3,2 to 4,8 mm) above
straightedge. Continue to next step.
m. If the correct measurements have not been
obtained in steps I and m, the screed is not
aligned correctly. Repeat alignment
procedures of step a through m.
n.
Start
paving
machine,
fully
retract
extension screeds, and shut down paving
machine
per
TM
5-3895-373-10.
Reposition cribbing under screed.
