Buhler FK311 User Manual
500 & 600 Snowblower
TABLE OF CONTENTS
DESCRIPTION PAGE
Warranty......................................................................1
Safety Instructions & Safety Sign Locations ................2
Operating Instructions..................................................3
Assembly Instructions..................................................5
500 & 600 Snowblower Drawings................................8
500 & 600 Snowblower Parts List................................10
500 & 600 Snowblower PTO Drawing..........................13
500 & 600 Snowblower PTO Parts Lists......................14
Cylinder Assembly Drawings & Parts Lists..................15
Shipping Bundles.........................................................16
500 & 600 Snowblower
WARRANTY REGISTRATION AND POLICY
Buhler Manufacturing products are warranted for a period of twelve (12) months from
original date of purchase, by original purchaser, to be free from defects in material and
workmanship under correct, normal agricultural use and proper applications.
Buhler Manufacturing’s obligations under this warranty shall be limited to the repair or
exchange, at Buhler Manufacturing’s option, of any Buhler Manufacturing product or
part which proves to be defective as provided. Buhler Manufacturing reserves the right
to either inspect the product at the buyer’s location or have it returned to the factory for
inspection.
The above warranty does not extend to goods damaged or subject to accident, abuse or
misuse after shipment from Buhler Manufacturing’s factory, nor to goods altered or
repaired by anyone other than an authorized Buhler Manufacturing representative.
Buhler Manufacturing makes no Express Warranties other than those, which are
specifically described. Any description of goods, including any references and
specifications in catalogues, circulars and other written material published, is for the
sole purpose of identifying goods and shall conform to such descriptions. Any sample
or model is for illustrative purposes only and does not create an Express Warranty that
the goods conform to sample or model shown.
The purchaser is solely responsible for determining suitability of goods sold. This
warranty is expressly in lieu of all other warranties expressed or implied. Buhler
Manufacturing will in no event be liable for any incidental or consequential damages
whatsoever. Nor for any sum in excess of the price received for the goods for which
liability is claimed.
WARRANTY CLAIMS:
Warranty requests must be prepared on Buhler Manufacturing Warranty Claim Forms
with all requested information properly completed. Warranty Claims must be submitted
within a thirty (30) day period from date of failure repair.
WARRANTY LABOR:
Any labor subject to warranty must be authorized by Buhler Manufacturing. The labor
rate for replacing defective parts, where applicable, will be credited at a rate determined
by the Company, Buhler Manufacturing.
IMPORTANT FACTS:
Buckets and Bucket Tines Carry No Warranty
Bent Spears Carry No Warranty
Snowblower Fan Shafts Carry No Warranty
Mower Blades Carry No Warranty
Portable Auger Parts Have Two (2) Year Warranty
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500 & 600 Snowblower
SNOWBLOWER
This manual is for both models #500 and #600 snowblowers. When ordering parts,
specify model number and serial number. Both snowblowers are the push type and will
mount to a tractor with a category 1 three-point hitch or a category 1 Quick Hitch and
540 rpm PTO. The #500 has a 50" cutting width while the #600 has a 60" cutting width.
Both snowblowers come with a hand crank chute control as standard. A hydraulic
control is available as an option at extra cost. There is a shear bolt on the auger and on
the PTO shaft to protect the machine from damage if a large object is picked up. Any
smaller objects in the snow will be thrown with it and could cause serious injury. Do not
let anyone stand behind the tractor in the area of the discharged snow.
#1
#2 #3
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500 & 600 Snowblower
OPERATING INSTRUCTIONS
1. Do not operate the blower in the fully raised position. The threepoint hitch on some tractors raises high enough to cause the PTO
shaft to bind. This can cause damage to the PTO shaft and/or to
the hitch and pins.
NOTE: PTO shaft angle should not exceed 20° for optimum
performance and life. Damage may occur to PTO and/or
snowblower if angle becomes more extreme.
2. Depth of cut can be partially controlled by tilting the blower forward
or backward. Adjust the top link of the tractor hitch so the
snowblower is just slightly tilted back when resting on the ground.
ALERT: Excessive backward tilt may cause the “U” joints to flutter
resulting in PTO shear bolt failure.
3. Adjust the lower link sway chains or blocks on the tractor to restrict
side movement of the blower when operating.
4. Run the blower at low rpm to check operation before blowing snow.
5. The snowblower has two shear bolts to protect the tractor and
blower in case a large object enters the blower. PTO shear bolts #500 - one 3/8" x 1" (gr.8), #600 - two 5/16" x 1" (gr. 8), auger
shear bolt – ¼” x 1" (gr.2). Shear bolts should be fastened with a
lock nut or two jam nuts. These bolts must be kept tight to prevent
wear of the bolt and bolt holes.
6. Never run PTO shaft at over 600 rpm.
7. Chain Tension: Slack on the lower side of the chain should be 3/8 to ½”
8. Lubrication:
a) The spout clamps and rings should be periodically lubricated
with gun grease.
b) PTO shaft universal joints and square shaft slide should be
greased daily.
c) PTO shear yoke should be greased before using the blower
for the first time.
d) Regularly oiling the chain will significantly increase the life of
the chain.
e) Gearbox is open type and need not be greased or lubricated.
f) Hydraulic spout option – grease the swivel arm.
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500 & 600 Snowblower
OPERATING INSTRUCTIONS – cont’d.
9. Periodically check all bolts for tightness. The bolt holding on the
fan and the bearing bolts are of particular importance.
10. Danger: Always stop blower for servicing or unplugging.
The PTO should be disengaged before dismounting from the tractor.
11. Caution: Always check to see that both ends of the PTO shaft are
securely attached as per instructions every time you are preparing to use
the snowblower.
12. When replacing bearings or tightening a loose bearing collar, always
tighten collar in the direction of shaft rotation using a center punch or a
similar tool.
13. Shear Sprocket: The shear sprocket (#43) should be checked at the
beginning of every season to make sure it will spin freely. With time the
sprocket plate could corrode and seize which will not allow the shear bolt
to break if something jams in the snowblower auger. Clean to loosen if
necessary.
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500 & 600 Snowblower
#500 AND #600 SNOWBLOWER ASSEMBLY INSTRUCTIONS
1. Mount the discharge spout (#2) using the spout clamp (#3) bolted to the
spout ring on the snowblower. Lubricate the spout ring and clamp.
NOTE: A hydraulic cylinder and hose kit to control the spout deflector is
available as an option.
2. Hitch Assembly: With right and left hitch tubes (#5 & #6) turned as
shown in drawing, slide them into the sleeve welded to the main body.
These tubes are adjustable to four different positions. The correct position
for each individual tractor will be determined when mounting the
snowblower on the tractor. These tubes are connected to the
snowblower with a ¾” x 3 ¼” pin (#11) and a hair pin clip (#12). Bolt the
left (#84) and the right (#85) hitch arms to the outside of the clevises on
the hitch tubes using the lift pins (#9). NOTE: Pins should be turned to
the outside. Do not tighten any hardware until assembly is complete. Join
the top of the hitch arms by bolting a 1” O.D. x 2 ¼” spacer (#4) between
the top plates using a ¾” x 4” bolt and lock nut through the lower outside
holes. Bolt the hitch top bar (#86) between the same plates using the
same bolt through the welded tube on the bar. Use the inside holes on the
top plates for the top bar. The other end of the hitch top bar bolts to the
top of the blower fan housing with a ½” x 1 ¾” hex bolt, lock washer and
hex nut. Use the same hole position as the hitch tubes. Tighten all
hardware.
A category 1 top link pin (#8) is fitted in the top holes of the hitch arm
plates. This pin is used for standard three-point hitch only. The bushing
in the lower holes is used for the Quick Hitch.
3. Hand Crank Assembly: (Standard)
a) Bolt the crank mounting bracket (#16) to the top of the hitch using
3/8" x 1 ¼” hex bolts, lock washers and hex nuts.
b) Insert the crank tube (#15) through the mount and through the
bracket welded to the main housing. Lock the crank in place using
a washer and roll pin on each side of the bracket.
c) Thread the cable (#17) through the hole in the crank tube to even
lengths and wrap around the tube to each side of the hole four
turns in opposite directions.
d) With the spout turned forward, fasten the cable to the bracket
welded to the bottom of the spout using a ¼” cable clamp (#70).
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