15.20. ADJUST AND ALIGN MAIN AND EXTENSION SCREED PLATES - Continued.
ALIGN - Continued.
crushing hazard. Stay clear of screed
during screed operations. Failure to
do so may result in death or serious
Cribbing is used under the screed
only as a safety precaution. Do not
lower the screed onto the cribbing.
procedure to allow for placement of
During this procedure, the screed
height adjustment knobs should only
be adjusted with the extension
screeds fully retracted.
Using all four screed height adjustment knobs
adjust screed height adjustment knobs until
extension screeds are flat at A-A to less than
0.060 in. (1,5 mm). (Do not readjust screed
height adjustment knobs until entire alignment
has been completed.)
Start paving machine engine and fully extend
extension screed per TM 5-3895-373-10.
Shut down paving machine and remove key
from ignition per TM 5-3895-373-10. Position
cribbing under screed.
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