FORM NO. 3318–823 Wheel Horse 48” Snow Blade for Classic Graden Tractors Model No. 79350 – 8900001 & Up Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
Introduction We want you to be completely satisfied with your new product, so feel free to contact your local Authorized Service Dealer for help with service, genuine replacement parts, or other information you may require. Whenever you contact your Authorized Service Dealer or the factory, always know the model and serial numbers of your product. These numbers will help the Service Dealer or Service Representative provide exact information about your specific product.
Contents Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Loose Parts . . . . . . . . . . . . . . . . . . . . . . . . . Assemble Blade . . . . . . . . . . . . . . . . . . . . . Mount Rear Hitch . . . . . . . . . . . . . . . . . . . . Installing Blade to Tractor . . . . . . . . . . . . . Removing the Blade . . . . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjusting Dial-A-Height . . . . . . . . . . . . . . Attachment Lift Lever . . .
Assembly Loose Parts Note: 2 Use the chart below to identify parts used for assembly. DESCRIPTION QTY.
Assembly Assemble Blade 1. 3. Lift and rotate channel and trip spring assembly so holes align with lower blade mounts. Slide rod through holes and secure with (2) 1/8 x 1” (26 mm) cotter pins (Fig. 1). Apply general purpose grease to the pivot area of frame and channel. Slide channel between frame mount and secure with 3/4–16 x 3-3/4” (95 mm) bolt, up from the bottom, and 3/4” locknut (Fig. 3). IMPORTANT: Do not tighten nut and bolt excessively to cause binding on channel as it pivots side-to-side.
Assembly Mount Rear Hitch Installing Blade to Tractor 1. 1. Remove power take off (PTO) cover from side of tractor, if so equipped. 2. Position blade on a level surface with space behind for tractor. 3. Rotate lever rearward next to frame. 4. Park the tractor over blade, with frame between wheels. Set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key. 5. Slide frame toward right rear tire and rotate handle to vertical position.
Assembly 7. With index handle vertical attach cable Z end to back hole of triangle index plate (Fig. 6). 8. Attach control rod to index lever with large hairpin cotter (Fig. 6). 9. Move index lever to center position and adjust cable turnbuckle so the index pin is pulled out of channel when the release lever is squeezed and blade moves side-to-side when lever is pushed and pulled (Fig. 6). 11.
Assembly Removing the Blade Note: 4. Save all hardware, rods, washers and hairpin cotters for reuse when installing blade. 1. Park the machine on a level surface, set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key. 2. Raise attachment lift to the transport position. Turn the Dial-a-Height knob counterclockwise, all the way, and lower the attachment lift lever to the mounting position; refer to Lowering Attachments. 3.
Assembly 5. Remove hairpin cotter and control rod from index lever (Fig. 10). 6. Begin sliding blade forward and toward right side of tractor. After frame clears right rear tire, rotate index lever back, next to frame. 7. Roll tractor away from above frame. 1 2 3 m–2949 Figure 10 1. Index lever 2. Control rod 3.
Operation Attachment Lift Lever POTENTIAL HAZARD • Hitting fixed objects can cause the tractor to stop abruptly. WHAT CAN HAPPEN • Stopping abruptly can cause loss of control, equipment damage and personal injury. The attachment lift lever (Fig. 11) is used to raise and lower various attachments. Raising Attachments 1. HOW TO AVOID THE HAZARD • Travel at a safe, slow speed. • Check area to be plowed and mark all fixed objects so they can be avoided. Lowering Attachments 1.
Operation Attachment Power Lift Adjusting Blade Index The attachment power lift (Fig. 12) is used to raise and lower attachments. The blade can be indexed side to side, in 5 positions. The direction is controlled by the handle on the right side (Fig. 13). Raising Attachments 1. Squeeze the release lever toward the handle (Fig. 13). 2. Push or pull lever to change index position and release lever. Index pin must snap into hole in channel to retain position. 1. 2.
Operation Adjusting Blade Trip Springs Tips for Using Snow Blade The blade trip springs can be mounted in 4 positions. The top hole provides greatest scraping pressure and the lower hole least scraping pressure (Fig. 14). Remove snow as soon as possible after it falls. This produces best snow removal results. 1. Remove hairpin cotter and slide rod out from blade and springs (Fig. 14). 2. Slide rod through springs and new hole position in blade (Fig. 14). 4 3 2 1237 1. Hairpin cotter 2.
Maintenance Service Interval Chart Service Operation Each Use 5 Hours 25 Storage Hours Service Fall Service Grease–Channel pivot X X X Oil–Linkages X X X Chipped Surfaces–paint X Scraper–check for wear X Notes X POTENTIAL HAZARD • If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN • Accidental starting of the engine could seriously injure you or other bystanders.
Maintenance Greasing and Lubrication Service Interval/Specification Grease and oil the blade after every 25 operating hours or once a year, whichever occurs first. Oil Linkages 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key. 2. Place a few drops of oil on all movable linkages (Fig. 15). 3. Wipe off excess oil. Grease Type: General-purpose grease. Oil Type: SAE 10W or 10W30. Grease Channel Pivot 1.
Maintenance Reversing the Scraper Blade Storage The scraper blade contacts the ground preventing damage to the snow blade. Periodically inspect the scraper blade for wear. When scraper becomes worn, before working surface contacts the housing, reverse the scraper blade. 1. Before long term storage wash the blade with mild detergent and water to remove dirt and grime from the entire attachment. 2. Check the condition of the scraper blade; refer to Reversing Scraper Blade, page 13. 3.
