740, 840 & 840G Snowblowers TABLE OF CONTENTS DESCRIPTION PAGE Warranty ...................................................................... 1 Safety Instructions & Safety Sign Locations ................ 2 Operating Instructions.................................................. 3 Assembly Instructions .................................................. 5 Refilling #840G Gearbox.............................................. 8 Snowblower Drawings .................................................
740, 840 & 840G Snowblowers WARRANTY POLICY Buhler Manufacturing products are warranted for a period of twelve (12) months (90 days for commercial application) 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.
740, 840 & 840G Snowblowers SNOWBLOWER This manual is for model #740 & #840 snowblowers with an open gear gearbox and for model #840G snowblower, which has a sealed oil bath gearbox. When ordering parts, specify model number and serial number. The snowblower is the push type and will mount to a tractor with a 540 rpm PTO. It is supplied with category 1 pins and also bushings, which convert the pins to a category 2. A category 1 quick hitch fits on all three sizes.
740, 840 & 840G Snowblowers OPERATING INSTRUCTIONS 1. Do not operate the blower in the fully raised position. The three-point 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 degrees for optimum performance and life. Damage may occur to PTO and/or Snowblower if angle becomes more extreme. 2.
40, 840 & 840G Snowblowers 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.
740, 840 & 840G Snowblowers ASSEMBLY INSTRUCTIONS 1. #740: Turn the bottom tube weldments (#9) as shown in drawing and slide them into the sleeve welded to the main body. #840 & #840G: Turn the bottom tubes (#93) as shown in drawing and slide them into the sleeve welded to the main body. ALL SIZES: The correct position for each individual tractor will be determined when mounting the snowblower on the tractor. These tubes are connected to the sleeves with a ¾” x 4 ¼” pin (#96) and a hair pin clip (#104). 2.
740, 840 & 840G Snowblowers ASSEMBLY INSTRUCTIONS – cont’d. 5. Hydraulic spout swivel: a) Mount the swivel arm (#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 ½” 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.
740, 840 & 840G Snowblowers ASSEMBLY INSTRUCTIONS – cont’d. 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 both the #740 and #840 snowblowers using ¼” x ½” hex bolts, lock washers and hex nuts. Insert a 3/16" cotter pin in the hole in the shield and in the hole at the bottom corner of the gearbox. Fold back the cotter pins to hold them in place. Hook the ends of the spring (#71) into these cotter pins to hold the shield down.
740, 840 & 840G Snowblowers REFILLING GEARBOX WITH OIL: #840G ONLY If the gearbox requires refilling with oil because of repairs to the gearbox, add oil to the level shown in the drawing. Check the level regularly using the plug in the lid. The correct level is even with the bottom of the plug.
740, 840 & 840G Snowblowers 740 & 840 SNOWBLOWERS 9
740, 840 & 840G Snowblowers 10
740, 840 & 840G Snowblowers #840G SNOWBLOWER 11
740, 840 & 840G Snowblowers 12
740, 840 & 840G Snowblowers WHEN ORDERING PARTS Always give your dealer the Model, Color and Serial Number of your machine to assist him in ordering and obtaining the correct parts. Use the exploded view and tabular listing of the area of interest to exactly identify the required part.
740, 840 & 840G Snowblowers 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 965816 965817 965818 961637 86170 901940 965413 965402 965403 936402 81527 84498 968627 967260 965822 965447 965414 965405 965415 965404 907218 965834 84111 984077 965825 965826 965827 965844 86171 965917 961675 84289 965416 907820 965832 9812433 BU50506 907674 967164 81619 81549 81569 81568 965968 Bevel Gear - 1 1/4'' Bore Bevel Gear - 1 1/2'' Bore 1 1/4'' Bea
740, 840 & 840G Snowblowers 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 960135 87553 900712 965409 965410 81523 81545 81544 812364 988999 907221 965646 903523 961012 961658 961876 902407 F6707 9812487 967110 9812439 967135 9812444 9812443 907250 907315 907316 905821 84336 81701 81700 967361 966527 811826 12779 81678 909277 PTO Shield Spring 1/2" x 1 3/4" Hex Bolt (pl) Skid Pin Weldment PTO Shield (#840G) PTO Shield (#740 & #840) 1/4'' x 1
740, 840 & 840G Snowblowers 840G SNOWBLOWER GEARBOX MODEL #840 G SNOWBLOWER GEARBOX PARTS LIST Item # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Part # Description BU50506 BU50310 BU500089-3 BU50457 BU500167-1 BU50458 BU50508 BU50502 BU50329 BU50331 BU50428 BU50444 BU50422-1 BU50415 BU575902 BU575901 BU50429 BU50210X BU575907 BU575906 BU278811 BU50417-1 Gearbox Complete Gearbox Casting Only Pipe Plug Gearbox Cover Relief Valve Gearbox Gasket Cross Shaft Pinion Shaft Bevel Gear - 1 1/2'' Bor
740, 840 & 840G Snowblowers #740, #840, #840G SNOWBLOWER PTO 17
740, 840 & 840G Snowblowers SNOWBLOWER PTO (STANDARD) Item # Part # 1 2 F842 936263 936264 936277 936199 3 936249 4 5 6 903296 812362 936025 906504 936270 936319 936272 936273 936274 936269 81627 812364 7 8 9 10 11 12 13 14 Description Shaft Complete Tractor Half of PTO (Shear) Implement Half of PTO (Clamp Yoke) Shear Assembly Safety Slide Lock Repair Kit (Collar, Spring, Ret.
740, 840 & 840G Snowblowers SNOWBLOWER PTO (OPTIONAL LONG) Item # Part # Description 1 2 F844 936285 936280 936277 936199 3 936249 4 5 6 903296 812362 936025 906504 936281 936319 936282 936283 936284 936269 81627 812364 Shaft Complete Tractor Half of PTO (Shear) Implement Half of PTO (Clamp Yoke) Shear Assembly Safety Slide Lock Repair Kit (Collar, Spring, Ret.
740, 840 & 840G Snowblowers 1.75 X 5 CYLINDER ASSEMBLY Item # Part # Description 1 2 3 24930 115367 112104 X2669 Cyl Complete Tube Weldt Shaft Weldt 1.0 Dia Seal Kit 3.5 x 8 CYLINDER ASSEMBLY Item # Part # Description 1 2 3 24803 24804 113934 X2098 Cyl Complete Tube Weldt Piston Rod 1.
740, 840 & 840G Snowblowers SHIPPING KIT AND BUNDLE NUMBERS The following is a list of kit numbers for this product and the bundle numbers, descriptions, and quantities for each kit. QUANTITY BUNDLE NO.
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DIVISION LOCATIONS Farm King Division 301 Mountain Street S. Morden, MB R6M 1X7 Ph.: (204) 822-4467 Fax: (204) 822-6348 Allied/Inland Division 1260 Clarence Avenue Winnipeg, MB R3T 1T2 Ph.: (204) 284-6100 Fax: (204) 477-2325 B.I.I. Division 1330 43rd Street N.W. Fargo, ND 58102 Ph: (701) 282-7014 Fax: (701) 282-5865 CANADIAN WAREHOUSES U.S.