H&S GM 170 Operator's Manual And Parts List page 30

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MILL SCREEN COVER LATCHES
Over-center handle latches are used to secure the mill cover tightly
closed while the mill is being operated.
Lock nuts on the bolts of the latches are used to adjust latching
tension. This tension should be adjusted and maintained so that
some force has to be applied on the handles to lock and unlock
them. Both latch mechanisms should be adjusted equally.
NEEDLE VALVES
An adjustable needle valve is provided on each hose of the discharge
auger rotation to control the speed of auger swing to provide smooth
rotation. Needle valves are located at the rear of the machine by the
hydraulic rotation motor. Unlock the set screw on the valve - adjust
each valve by dialing it left or right to decrease or increase auger
rotation speed. After the speed has been set, lock the set screw
down.
TANK LID
The tank lid on top of the mixing tank is designed to be self-unlatching
in the event that the mixing tank accidentally becomes overfilled.
The latching mechanism should be properly adjusted by the latch
nut to maintain proper tension on the lid to keep it closed and
weather-tight, but still allow it to be forced open from the inside of
the tank by overflowing material. If the latch handle can be pulled
straight up approximately ½" (12 mm), completely compressing
the spring, tension is correct.
IMPORTANT: The latch springs should never be completely
compressed when the handle is all the way down or the lid will not
open during over filling.
12' DISCHARGE AUGER
Transport Cradle
The unloading auger must always be moved to and set into the
transport cradle before the mixer is transported. If the auger does
not set in the cradle, adjust the stop bolt on the vertical rotating
auger at the rear of the machine.
3' & 6' Discharge Auger Extensions
The 3' and 6' discharge auger extensions fold back and lock into
position with a safety lock pin. If the main pin does not line up with
the hole on the bracket of the standard 12' auger, loosen the bolts
and adjust the bracket.
ADJUSTMENTS
-28-

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