Nose Plow Hitch Frarne
‘A. The front plow hitch mast shall be of a fixed design.
B. Hitch Specifications:
The front mast is constructed with two 4” x 4” x 4” angle
vertical members reinforced by 5/8” x 9” plates. There shall be
a 4” x 4"x 4" horizontal top angle with a 4” x 4” x 1/2” cylinder
base angle and a 3” x 2” x %” lower base tube. There shall be
sufficient reinforcement gussets to carry the induced
asymmetrical loads. The plow attachment pin points are on 31”
centers with three 1-1/4" diameter pin locations at 15-1/2”,
18”, and 20-1/2" heights. The lift arm shall be fabricated fram
1” flame cut steel plate and braced with two 4" x 2” steel flats.
The hitch shail provide 16” of lift with a 4” diameter x 10”
stroke double acting piston type cylinder having a nitrided rod
of 1-3/4” diameter. The hitch shall allow the installation of a
wing system without madification of the hitch. The cross-tubes
spots Seirt Pit Catto
shalt be 6” x 4” x 3/8” tubing with the lower tube forming the
eft side bumper.
~Specific drawings will be provided if needed.
Cc. Lift arm Specifications:
The lift arm shall have a triple point chain hook allowing elther
single or double chaining. The front mast shall be pinned to the
mast support frame with four 1-1/4” steel pins. The support
frame 1s in turn welded to 3a 5/8” steel bumper plate. The
support frame shall be adjusted in height during installation to
accommodate varying frame heights and chassis models. The
front bumper shall be balted to the chassis frame through two
front frame brackets of 4” steel plate and two lower cheek
plate of 5/8” steel plate.
- Specific drawings will be provided if needed.
D. Cheek plate specifications:
Mast shall be mounted in a fixed manor to the front of the
chassis frame extension, and include 4” plate steel cheek
plates wrapped around the outer side of the frame extension
including upper and lower frame extension flanges. Cheek
plates shall be boited te truck frame extension. Mast and cross
tubes for front wing post mount to include ample supports of
2-1/2” schedule 80 pipe strut maunted at either end with ball
foot castings. Struts mounted from top of mast to chassis
frame extension must allow for hood to tilt open for engine /
chassis service while maintaining an upright fixed position of
hitch mast.
~ 5/8" Cheek Plates
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