MTD 380 Operator'S Manual Download

Page: 19 / 20

Model 380

Ref. No.

Part No.

Description

684-04037

Chute Assembly

710-04071

Carriage Bolt 5/16-18 x 1.0”

710-0451

Carriage Bolt 5/16-18 x 0.750”

712-3068

Patch Nut

720-0284

Chute Knob Assembly

731-04388

Chute Handle

731-04426

Upper Chute

736-0159

Washer

712-3027

Lock Nut 1/4-20

10.

731-2636

Lower Chute

11.

710-0134

Carriage Screw 1/4-20 x 0.62”

12.

731-2643

Chute Clean-out Tool

13.

725-0157

Cable Tie

14.

731-2635

Mounting Bracket: Chute Tool

15.

831-060000

Chute Clean-Out Tool Assy. Comp.

16.

710-0451

Carriage Bolt 5/16-18 x 0.75”

17.

712-3010

Hex Nut 5/16-18

18.

736-0242

Beleville Washer

19.

784-5580

Skid Shoe

20.

712-3004A

Flange Lock Nut

21.

710-0726

AB Screw 5/16-12

22.

736-0242

Bell Washer

23.

—

Shave Plate (see chart below)

24.

750-04191

Spacer

25.

731-04218

Impeller

26.

717-1772

Worm Shaft (see chart below)

27.

715-0114

Spiral Pin

28.

721-0327

Oil Seal

29.

741-0662

Flange Bearing

30.

736-0445

Flat Washer

31.

715-0143

Spiral Pin

32.

721-0325

Plug

33.

718-0186

Thrust Collar

34.

736-0369

Flat Washer

35.

741-0663

Flange Bearing

36.

714-0161

Key

37.

717-0528A

Worm Gear 20T

38.

736-0351

Flat Washer

39.

—

Auger Housing (see chart below)

40.

618-0124

Reducer Housing Assembly LH

618-0123

Reducer Housing Assembly RH

41.

710-0642

TT Screw 1/4-20 x 0.75”

42.

618-04055

Gearbox Assembly: Auger
(includes # 28 through 41)

43.

—

Spiral Assembly

44.

721-0179

Oil Seal

45.

741-0493A

Flange Bushing

46.

—

Auger Shaft (see chart below)

47.

741-0493A

Flange Bushing

48.

736-0188

Flat Washer

49.

741-0245

Hex Flange Bearing

50.

784-5618

Hex Bearing: Housing

51.

712-0429

Hex Lock Nut 5/16-18

52.

710-0890A

Shear Bolt 5/16-18 x 1.5”

Ref. No.

Part No.

Description

* For replacement parts, refer to the chart to order according to the size of the auger.

Auger Housing Components*

Auger Size
(inch)

Auger Housing

Auger LH

Auger RH

Auger Shaft

Shave Plate

Worm Drive
Assembly

22 684-04047

684-04021

684-04020

711-1020A

784-5576

618-04055

684-04048

684-04023

684-04022

711-0908A

784-5581A

618-04056

Summary of Contents for 380

Page 1: ... is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark arrester for the muffler is availabl...

Page 2: ...ained below For future reference please copy the model number and the serial number of the equipment in the space below ENGINE INFORMATION The engine manufacturer is responsible for all engine related issues with regards to performance power rating specifications warranty and service Please refer to the engine manufacturer s Owner s Operator s Manual packed separately with your unit for more infor...

Page 3: ...ock surfaces 6 Disengage all clutch levers before starting the engine 7 Never attempt to make any adjustments while engine is running except where specifically recommended in the operator s manual 8 Let engine and machine adjust to outdoor temperature before starting to clear snow 9 To avoid personal injury or property damage use extreme care in handling gasoline Gasoline is extremely flammable an...

Page 4: ...es Check their proper operation regularly Refer to the maintenance and adjustment sections of this manual 2 Before cleaning repairing or inspecting machine disengage all levers and stop the engine Wait until the auger impeller come to a complete stop Disconnect the spark plug wire and ground against the engine to prevent unintended starting 3 Check bolts and screws for proper tightness at frequent...

Page 5: ...addle bracket on each side of the handle See Figure 1 Hold both control bails against the upper handle and pull up as shown in Figure 1 Make sure that the upper handle locks over the lower handle and the saddle brackets align with the handle You may have to carefully manouever the upper handle to clear the discharge chute CAUTION Be careful not to bend or kink the cables Tighten the handle knobs o...

Page 6: ...y loosening two hex nuts and carriage bolts on each skid shoe and moving the skid shoe to the desired position See Figure 3 Make certain the entire bottom surface of skid shoe is against the ground to avoid uneven wear on the skid shoes Tighten nuts and bolts securely IMPORTANT Check all nuts and bolts for correct tightness Drive Cable Make sure that the drive cable is routed parallel to the left ...

Page 7: ...for greater distance or lowering it for less distance Loosen the chute knob on the side of the discharge chute to adjust Pivot the chute to desired position and retighten the chute knob Safety Ignition Switch The ignition key is necessary for the engine to start Insert key into the switch to start do not turn it to start stop the unit Remove key when the unit is not in use Skid Shoe The space betw...

Page 8: ... Pull the starter handle rapidly Do not allow the handle to snap back but allow it to rewind slowly while keeping a firm hold on the starter handle As the engine warms up and begins to operate evenly rotate the choke knob slowly to OFF position If the engine falters return to FULL choke then slowly move to OFF choke position Allow the engine to warm up for a few minutes because the engine will not...

Page 9: ... engine To avoid possible freeze up of the starter follow these steps Recoil Starter a With the engine running pull the starter rope with a rapid continuous full arm stroke three or four times Electric Starter if equipped a Connect power cord to switch box then to 120 Volt AC receptacle b While the engine is running push the starter button and spin the starter for several seconds c Disconnect powe...

Page 10: ...lease both auger and drive control bails Stop the engine and remove the ignition key Remove the clean out tool from the clip which secures it to the rear of the auger housing Use the shovel shaped end of the clean out tool to dislodge and scoop any snow and ice which has formed in and near the discharge chute Re fasten the chute clean out tool to the mounting clip on the rear of the auger housing ...

Page 11: ...spark plug Replace the spark plug if electrodes are pitted burned or the porcelain is cracked See Figure 8 NOTE Do not sandblast spark plug Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent Figure 8 Check V Belts Follow instructions below to check condition of drive belts every 50 hours of operation Remove the plastic belt cover on the front of the eng...

Page 12: ...t remove the belt Replace with new belt after replacing the drive belt Follow instructions below to replace the drive belt Figure 11 Drive Belt NOTE Replace the drive belt before reassembling the new auger belt Tip the snow thrower up and forward so that it rests on the auger housing Remove the spring that connects the transmission to a bolt on the engine frame See Figure 12 Figure 12 Pivot the tr...

Page 13: ...Figure 13 Reassemble the belt cover Skid Shoe The space between the shave plate and the ground can be adjusted For close snow removal place skid shoes in the low position Use middle or high position when area to be cleared is uneven 1 Adjust skid shoes by loosening the four hex nuts and carriage bolts and moving skid shoes to desired position See Figure 14 Make certain the entire bottom surface of...

Page 14: ...ill tank with fresh gasoline 3 Drain fuel tank and carburetor Fill up with fresh gasoline Engine loses power 1 Spark plug wire loose 2 Gas cap vent hole plugged 1 Connect spark plug wire 2 Remove ice and snow from gas cap Be certain that vent hole is clear Excessive vibration 1 Loose parts or damaged auger 1 Stop the engine immediately and disconnect spark plug wire Tighten all bolts and nuts If v...

Page 15: ...49 1532 Lower Handle 15 790 00053 Handle Tab 16 618 04008 Transmission Assembly 17 710 0643 Hex Bolt 5 16 18 x 1 0 18 710 0809 TT Screw 1 4 20 x 1 25 19 710 1652 TT Screw 1 4 20 x 625 20 711 1364 Clevis Pin 21 712 0324 Hex Lock Nut 1 4 20 22 712 0703A Nut Insert 23 714 0474 Cotter Pin 24 714 0507 Cotter Pin 25 715 0249 Roll Pin 26 717 04066 Pinion 14T 27 717 04073 Gear 70T 28 732 0429A Extension S...

Page 16: ...16 Model 380 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Shown for reference only 16 Shown for reference only ...

Page 17: ...50 1355 Spacer 12 750 1356 Spacer 13 754 04013 V Belt 14 754 04014 V Belt 15 756 04024 Auger Pulley 16 756 0569 Pulley Half 17 712 3000 Hex Lock Nut 3 8 16 18 756 04035 Flat Idler 19 738 0281 Shoulder Screw 3 8 16 20 736 0174 Wave Washer 21 784 0434 Auger Idler Bracket 22 710 0520 Hex Bolt 3 8 16 x 1 50 23 736 0119 Lock Washer 5 16 24 712 3010 Hex Nut 5 16 18 25 05931A Bearing Housing 26 732 0611 ...

Page 18: ...18 Model 380 Shown for reference only 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 8 9 16 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 40 41 48 43 44 45 46 47 48 49 50 51 52 42 39 ...

Page 19: ...62 Flange Bearing 30 736 0445 Flat Washer 31 715 0143 Spiral Pin 32 721 0325 Plug 33 718 0186 Thrust Collar 34 736 0369 Flat Washer 35 741 0663 Flange Bearing 36 714 0161 Key 37 717 0528A Worm Gear 20T 38 736 0351 Flat Washer 39 Auger Housing see chart below 40 618 0124 Reducer Housing Assembly LH 618 0123 Reducer Housing Assembly RH 41 710 0642 TT Screw 1 4 20 x 0 75 42 618 04055 Gearbox Assembly...

Page 20: ...s such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish due to use or exposure d MTD LLC does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD LLC s authorized channels of export distribution e Parts tha...

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