Assessments - 2, GPA: 4.5
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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. Shear Sprocket: The Shear Sprocket (#52) should be checked at the beginning of every season to make sure it will spin freely. With time this sprocket 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. 13. 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. -3 74” Allied Snowblower ASSEMBLY INSTRUCTIONS 1. Turn the bottom tube weldments (#9) as shown in drawing and slide them into the sleeve welded to the main body. These tubes have holes for two positions. The correct position for each individual tractor will be determined when mounting the snowblower on the tractor. These tubes are connected to the tractor with a .” x 4 .” pin (#96) and a hairpin clip (#104). 2. Bolt the left (#20) and the right (#21) a-frames to the inside of the plates welded to the hitch tubes using 7/8” x 2 .” hex bolts (#102) and lock nuts. Join the top of the hitch arms by bolting a 1” O.D. x 2” spacer (#100) between the top plates using a .” x 4” bolt, lock washer and hex nut through the lower outside holes. Bolt the upper hitch tube weldment (#47) between the same plates using the same size of bolt. Use the inside holes on the top plates for the upper tube. The other end of the top hitch tube bolts between the welded brackets on the top edge of the fan housing with the same hardware. Tube must be turned as shown in drawing. Tighten all hardware. 3. A category 1 top link pin (#18) 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. 4. Mount the discharge spout (#6) using the spout clamps (#59) bolted to the spout ring on the snowblower. Lubricate the spout ring and clamps. 5. Hydraulic spout swivel: a) Mount the arm swivel (#60) onto the swivel pin welded to the back corner of the fan housing using a 1" I.D. washer (#29) and a 3/16" x 1 .” cotter pin (#62). b) Wrap cable (#61) around spout and clamp to the ends of the swivel using 3/16" cable clamps (#17). c) With the swivel in extended position (i.e. cylinder fully extended) and the spout turned to the right, clamp the cable to the spout cable anchor using a .” cable clamp (#84). Ensure that the spout is not jammed and that there is no slack in the cable. d) Use a standard 8" stroke cylinder (20 .” min., 28 .” max. pin centers). e) Note: A hydraulic cylinder and hose kit to control the spout deflector is available as an option. 6. Hand Crank (Option): a) Fasten crank assembly (#5) using two .” x 1 .” hex bolts, lock washers and hex nuts. b) Thread cable (#7) through hole in hand crank to even lengths and wrap around the tube to each side of the hole four turns in opposite directions. c) Turn spout to center forward position and clamp cable to cable anchor on far side of spout using clamp (#84). -4 74” Allied Snowblower ASSEMBLY INSTRUCTIONS – cont’d. 7. Mounting blower on tractor: a) Mount the blower on a tractor with a category 1 or category 2 hitch. b) Using tape or bright colored marking pen, mark on the outer shields 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 3/8" keyway. Slide the yoke onto the gearbox shaft with the 3/8" key supplied. Lock the yoke in place with the .” 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. A longer optional PTO shaft is available if the standard shaft is too short. Check for free movement of all parts in various raised positions; particularly the PTO shaft. 8. PTO Shield: All snowblowers are supplied with a PTO shield. Bolt the shield (#74) to the hinges on the top of the gearbox on the snowblower using .” x .” hex bolts, lock washers and hex nuts. Insert a 3/16" cotte...