f.
Set wood support blocks under the ends and
center of the screed. The wooden blocks
should be one quarter inch taller than the desired
mat thickness.
WARNING
Do not open the screed travel lock valve
if anyone is near or under the screed.
The screed can fall rapidly when the
screed travel lock valve is opened. The
falling screed can cause severe injury or
death.
g.
Turn screed travel lock valve counterclockwise
to open valve enough to lower screed onto the
blocks using screed lift switch.
h.
Place screed lift switch to the down, FLOAT
position and lower the screed onto wood support
blocks.
TM 5-3895-373-10
i.
Adjust left and right endgate height so each
endgate floats on the ground and moves freely
up and down per paragraph 2.18.
j.
Turn left and right screed thickness controls
clockwise or counterclockwise until no load (a
point of no or least resistance to movement of
the screed thickness control) is felt on the screw.
This is the "null" position.
k.
Turn thickness control clockwise until a load is
felt.
l.
At point of load, turn the screed thickness control
two more turns clockwise to establish the initial
angle of attack for the screed.
m. Open
the
screed
travel
lock
valve
counterclockwise to fully open position.
n.
Loosen steering guide indicator rod hex nut and
adjustment cap screw.
o.
Extend the steering guide indicator rod so
steering guide indicator rod chain falls where the
edge of the mat is to be.
p.
Tighten steering guide indicator rod adjustment
cap screw and hex nut.
2-47
