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50” & 60” Allied Snowblower
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ASSEMBLY INSTRUCTIONS – cont’d.
4. Hydraulic Control Assembly: (option)
a) Bolt the hydraulic swivel assembly (#21) to the back of the fan housing on
the left side using ½” x 1 ¼” hex bolts, lock washers and hex nuts.
b) Bolt the cylinder mounting bracket (#23) to the back of the fan housing on
the right side using the same size hex bolts.
c) Turn the spout forward and the center of the swivel arm in line with the
spout center. With the spout and swivel arm in this position, wrap the
cable (#22) around the spout and clamp to both ends of the swivel arm
and to the bracket welded to the bottom of the spout using 3/16" cable
clamps (#20).
d) Use a standard 8" stroke cylinder (20 1/4" min., 28 1/4" max. pin centers).
5. Mounting Blower on Tractor:
a) Mount the blower on a tractor with a category 1 hitch.
b) Using tape or a bright colored marking pen, mark on the outer shield the
position where the shaft is completely pushed together and the position
where you have a 4" overlap. Watch these marks when moving the
blower through all possible operating angles to see that the PTO shaft
stays within this range.
c) With the engine on the tractor shut off, attach the PTO shaft. The tractor
end has a standard 6-spline end with a spring loaded locking collar. The
snowblower end has a clamp-style yoke with a ¼” keyway. Slide the yoke
onto the gearbox shaft with a ¼” key supplied. Lock the yoke in place with
the ½” x 3” hex bolt and lock nut fitted through the groove in the gearbox
shaft. After tightening the bolt, insert and tighten the 3/8” socket set screw
supplied.
CAUTION: Always check to see that both ends of the PTO shaft
are securely attached every time the snowblower is used. This should
always be done with the tractor engine off.
d) Check that the PTO shaft does not bottom or separate with the blower in
the extreme high and low positions. Check to see which of the four
different hitch positions will allow you to keep about a 4" minimum overlap
on the PTO shields without bottoming out. This position varies between
different tractor models because of the different lengths of the three-point
arms. If the PTO shaft is still too long with the hitch fully extended, the
PTO shaft will have to be cut shorter. Check for free movement of all
parts in various raised positions; particularly the PTO shaft.
6. PTO Shield:
All snowblowers manufactured for the 1990 production and up are
supplied with a PTO shield. The PTO shield (#65) bolts to the gearbox
assembly using ¼” x ¾” hex bolts. Hook one end of the spring (#66) in
the hole in the back edge of the PTO shield and the other end of the
spring in the hole punched in the edge of the gearbox assembly.
CAUTION: Do not run the snowblower without the PTO shield in
place.