Mtd 31AE993I401 Manuale Utente

33-inch Two Stage Snow ThrowerModel 31AE993I401PRINTED IN U.S.A.Operator’s ManualFORM NO. 770-10278D.fm(6/2003)IMPORTANT: Read safety rules and instru

10• Determine that your house wiring is a three-wire grounded system. Ask a licensed electrician if you are not certain.If your house wiring system is

11Chute Clean-Out ToolThe chute clean-out tool is conveniently fastened to the rear of the auger housing with a mounting clip. Never use your hand to

12• If you placed plastic film under the gas cap earlier, remove it now.Figure 11Auger ControlRefer to instructions on page 6 to adjust the auger cont

13mechanism at least once a season. Use engine oil or a spray lubricant. Refer to Figure 11.IMPORTANT: Avoid spillage of oil on rubber friction wheel

14Friction Wheel RubberFollow the instructions below to check the condition of the friction wheel rubber every 25 hours of operation.• Remove the six

15Replacing Belts• Disconnect the chute crank assembly at the discharge chute end by removing the hairpin clip and the two flat washers.• Remove the p

16Drive Belt• Unhook the extension spring from the belt cover plate. See Figure 21.• Remove drive belt from the engine pulley and bottom drive pulley.

17.Figure 24• Secure with the bell washer and hex bolt removed earlier.• Secure the frame cover with six self-tapping screws. Put the snow thrower dow

18SECTION 9: TROUBLESHOOTINGNOTE: For repairs beyond minor adjustments listed above, contact the local dealer.Problem Cause RemedyEngine fails to sta

19SECTION 10: PARTS LIST FOR MODEL 993IRef. No.Part No. Description1. 710-0276 Carriage Screw2. 710-0458 Carriage Bolt 5/16-18 x 1.75”3. 710-0805 Hex

2TABLE OF CONTENTSContent PageImportant Safe Operation Practices...3As

20Model 993I11234545191919196677899102113291122243117272315262115142516182211201512283015231321333232AAAA3334343535363738394041424344

21Model 993IRef. No.Part No. Part Description1. 646-0012 Cable Assembly: Auger/Drive2. 684-0053B Chute Crank Assembly3. 705-5266 Chute Crank Bracket4.

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23Model 993IRef. No.Part No. Part Description1. 05244A Bearing Housing2. 618-0281A Bracket Assembly: Auger Break3. 684-0090A Impeller Assembly: 16”4.

24Model 993I818382651016178017647614646171774636147726506368433684637436825233734147726506330423135423405356912752751725822346222213447293148677819414

25Model 993IRef. No.Part No. Part Description1. 05244A Bearing Housing2. 618-0279 Dogg Assembly LH3. 618-0280 Dogg Assembly RH4. 618-0282D Shift Assem

26Model 993I615106155211131741416128133137920191814222123242625

27Model 993IRef. No.Part No. Description1. 07386 Washer2. 684-0123A Belt Cover Bracket Assembly3. 710-0191 Hex Screw 3/8-24 x 1.25”4. 710-0237 Hex Scr

MANUFACTURER’S LIMITED WARRANTY FOR:The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the

3SECTION 1: IMPORTANT SAFE OPERATION PRACTICESDANGER: This machine was built to be operated according to the rules for safe operation in this manual.

45. Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. 6. Do not operate

5SECTION 2: ASSEMBLING YOUR SNOW THROWERUnpacking• Remove staples from the top, sides, and ends of the shipping crate. Set panels aside to avoid tire

6Figure 3• If not already attached, slip the cables that run from the handle panel to the discharge chute into the cable guide located on top of the e

7• Allow the auger to remain engaged for approximately ten seconds before releasing the auger control. Repeat this several times. • With the engine ru

8SECTION 3: KNOWING YOUR SNOW THROWER• Compare the figure below with your equipment and be familiar with its controls before starting it.Figure 8Trac

9Chute CrankThe chute crank is located on the left side of the snow thrower. Use it to change the direction in which snow is thrown. Avoid targetting