Troy-Bilt OEM-390-679 manuale d’uso

TRACK SNOW THROWER Oper ator’ s Man ual PRINTED IN U .S.A. TR O Y-BIL T , P .O . BO X 1386, 97 KENT A VE., KITCHENER, ON N2G 4J1 (5/2005) IMPORTANT: Read safety rules and instructions carefully. 772C076 7[...]

2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Manual is an important part of yo ur new snow thrower. It will help you to as semble, prepare and maintain the u nit for best performa nce. Please read a nd understand what it says. Before you start assembling your new s now thrower , please locate the model plate on the equipment and copy [...]

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instruct ions which, if not fol lowed, could endange r the personal safety and /or property of your se lf and others. Read and follow all in structions in this manual before attempting to operate this machine. Fa ilure to comply with these instructions [...]

4 9. Exercise caution when chan ging direction and while operating on slopes. 10. Plan your snow throwing pattern to avoid discharge towards windows, walls, cars etc. To avoid property damage or personal in jury caused by a ricoch et. 11. Never direct discharge at children, bystanders and pets or allow anyone in front of the machine. 12. Do not ove[...]

5 SECTION 2: ASSEMBLING YOUR SNOW THROWER Loose P arts The augers are secured to t he auger shaft with two shear pins and bow tie cotter pins. If you hit a foreign object or ice jam, the snow th rower is designed so that the pins may shea r. Two replac ement shear pin s and cotter pins are pr ovided for your convenience. Store in a safe place until[...]

6 • If not already atta ched, slip the ca bles that run fr om the handle panel to th e chute assembly into the cable guide located on t op of the engine. See Figure 4. • If not al ready attached, unwra p the headlight wir e which is attached to the he adlight, beneath the handle panel. Win d the headlight wire aroun d the lower right handle unt[...]

7 The drive control also locks the auger control so you can turn the chute dire ctional control without interrupting t he snow throwing process. If the auger control is engaged simultaneously with the drive control, the ope rator can release t he auger control ( on the left handle) and the au gers will remain engaged. Release both controls to stop [...]

8 Fuel Shut-Off V alve (Optional Equipment) On models so equ ipped, the fuel shut -off valve, located under fuel tank, cont rols fuel-flow from the fuel tan k to the engine. Se e Figure 6. Safety Ignition Key The safety ignition key must be fully inserted and snapped in place before the unit will start. Remove the ignition key to prevent unauthoriz[...]

9 WARNING: The electric starter is equipped with a gr ounded three-wir e power cord and plug and is designed to oper ate on 120 volt AC household curren t. It must be used with a prop erly grounded three- prong receptacle at all times to avoid the possibility of electric shock. Fo llow all instructions carefully prior to operat ing the electric sta[...]

10 Auger Control Test IMPOR T ANT : Perform the following test before operating your snow thrower for the first time and a t the start of each wi nter season. Check the adjus tment of the auger control as follows: • When the aug er control is released and in the disengaged “up” position, the cable should h ave very little slack. It should NOT[...]

11 Figure 9 Operating T ips NOTE: Allow the engine to warm up for a few min utes. The engine will not develop fu ll power until it reaches operating t emperature. NOTE: The tem perature of the mu ffler and the surroun ding areas may exceed 150°F (65°C). • For the most efficien t sn ow removal, remove snow immediately after it falls. • Dischar[...]

12 Figure 10 • With the traction control lever engaged, the frictio n wheel must contact the drive plate . See Figure 11. If adjustment is necessary: • Loosen the jam nut on the traction cable and thread the cable in or out as nece ssary. • Retighten the jam nut to secure the cable when correct adjustment is reached. • Reassembl e the frame[...]

13 Figure 13 Carburetor • Minor carb uretor adjustment may be required to compensate fo r differences in fuel, temperat ure, altitude and load . • Refer to the se parate engine manual, packed with your unit, for car buretor adjustment info rmation. SECTION 6: MAINTAINING YOUR SNOW THROWER WARNING: Before lu bricating, repairing, or inspecting, [...]

14 Figure 15 To check the level of grease in the gear case, r emove the vent p lug. If your unit is equip ped with a g rease fitting , you may, if necessary, add grease using a grease gun and the gr ease fitting on the side of the gear case. IMPORT ANT : Do not overfill the gear case, s ince damage to the seals co uld result. Be sure the vent plug [...]

15 • Remove the carriag e bolts and flange lock nuts which attach the two skid shoes t o t h e s no w t hr ow er on two sides. See Figu re 16. Figure 16 • Reassemble new skid shoes with the har dware removed earlier. Make certain the skid shoes are adjusted to be level. • To remove the shave pla te, remove the carriag e bolts and flang e lock[...]

16 Figure 19 • Lift the auger belt from the auger pulley, an d slip belt between th e support br acket and the au ger pulley. Repeat th is step for the front auger belt. See Figure 20. • Replace both auger drive be lts by following instructions in r everse order. NOTE: If yo u placed plastic film under the ga s cap, be certain to remove it bef [...]

17 Figure 22 Figure 23 • Position the fricti on wheel assembly up onto the pin of the shift rod assembly, an d slide the shaft through the assembly. Reassemble in re verse order. Engine Refer to the separate engine m anual packed with your unit. Off-Season Storage WARNING: Never store the machine or fuel container indoors where there is an open f[...]

18 SECTION 8: TROUBLESHOOTING NOTE: For repairs beyond minor adjustments listed above, cont act the local dealer. Prob lem Cause Remedy Engine fails to start. 1. Fuel tank empty, or stale fuel . 2. Blocked fuel line. 3. Choke not in ON position 4. Faulty spark plug. 5. Safety key no t in ignition switch on engine. 6. Spark plug wire disconnected. 7[...]

19 SECTION 9: TWO YEAR SUPREME WARRANTY: For two years from date of retail purchase with in Canada, MTD PRODUCTS LIMITED will, at its option, repair or replace, for the original purchaser, free of charge, any part or parts found to be defective in material or workmanship. This warranty covers units which have been operated and maintained in accorda[...]