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SHEAR BOLTS - Main Drive
The beater and the apron drive are protected by
one shear bolt located on the front end of the side
drive shaft (left side of spreader). Two spare shear
bolts are provided. Shearing of the bolts is normally
due to foreign objects in the manure or starting
the spreader PTO too quickly with high tractor
RPMs. Always use H&S shear bolts when replacing
shear bolts.
SHEAR BOLTS - Apron Drive
The worm gearbox and apron are protected by two shear bolts:
One on the driven high-speed sprocket (A) and one on the low
speed sprocket (B). Two spare shear bolts are provided (C).
Shearing of these bolts is normally due to the apron being frozen
to the floor, or catching on frozen "chunks." Occasionally, the
shear bolts will shear due to the spreader being overloaded.
Always determine the cause of failure, and eliminate the cause
before replacing the shear bolt, use H&S shear bolts when
replacing.
NOTE: Normal apron speeds at 540 RPM are: low speed
4-1/2 FPM, high speed, and clean out position 8-1/2 FPM. If the
apron is not moving at these speeds, especially in high or clean
out, check and replace the high speed shear bolt (A). Failure
to do so will result in serious damage to the sprocket and
shaft.
BEATER
When replacing beater paddles, the sharp edges of the teeth
must lead in the direction of beater travel. On the right half
of the beater the teeth must point to the right side of the
spreader. On the left half of the beater the teeth must point to
the left side of the spreader. Always use H&S special grade 5
bolts, washers, and nuts when replacing. Torque to 60 ft/ lbs.
WHEEL BEARING LUBRICATION, CLEAN & RE-PACK INSTRUCTIONS
Wheel hubs are equipped with a grease zerk for regular maintenance. Annually disassemble and clean
parts in solvent. Reassemble bearings per instructions in the Service Chapter and tighten the castellated
nut on the spindle to the point where there is no end-play and a slight drag on the bearings. Replace the
cotter key with a new one of the correct size, bend cotter pin over and reinstall cap.
SERVICE
-22-
Shields Removed for Clarity
Spare
Shear
Bolts
A
B
Shields Removed for Clarity
(Shown w/ top upper beater)
C
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