MTD 31AS6BN2711 Service Manual Download Page 3 | Manualshive

Page: 3 / 19

background image

1

SERVICE MANUAL

31AS6BN-711 Snow Thrower

Tire Pressure ..............................................................................................................................1
Chute Installation .........................................................................................................................2
Discharge Chute Removal ......................................................................................

...................2

Directional Control Assembly .................................................................................

...................2

Chute Bracket Adjustment ...........................................................................................

...............2

Skid Shoe and Shave Plate Adjustment .....................................................................

The Shave Plate Adjustment........................................................................................

...............3

Drive Control Cable Adjustment ...................................................................................

Auger Control Testing and Adjustment ........................................................................

Shift Rod Adjustment .................................................................................................................5
Auger Belt Replacement ...................................................................................................

Drive Belt Replacement .................................................................................................

Friction Wheel Removal........... .........................................................................................

Axle Shaft RemovalL .........................................................................................................

Splitting the Unit ................................................................................................................

Friction Wheel Disc Disassembly .....................................................................................

Auger Pulley Removal .....................................................................................................

Auger and Impeller Removal .............................................................................................

Reducer Transmission.........................................................................................................

Reduction Transmission Disassembly ..............................................................................

Auger Idler Arm ....................................................................................................................

Chute Disassembly ...............................................................................................................

«
1
2
3
4
5
...
»

Summary of Contents for 31AS6BN2711

Page 1: ...ents of the product s Operators Manual supplied with the equipment No liability can be accepted for any inaccuracies or omission in this publication although care has been taken to make it as complete and accurate as possible at the time of publication However due to the variety of outdoor power equipment and continuing product changes that occur over time updates will be made to these instruction...

Page 2: ......

Page 3: ... Adjustment 3 Drive Control Cable Adjustment 3 Auger Control Testing and Adjustment 4 Shift Rod Adjustment 5 Auger Belt Replacement 5 Drive Belt Replacement 7 Friction Wheel Removal 7 Axle Shaft RemovalL 9 Splitting the Unit 10 Friction Wheel Disc Disassembly 11 Auger Pulley Removal 11 Auger and Impeller Removal 12 Reducer Transmission 13 Reduction Transmission Disassembly 14 Auger Idler Arm 14 Ch...

Page 4: ......

Page 5: ... July 19 2004 and July 20 2004 Subject Connector Sleeve on Two Stage Snow Thrower shift rod Styles E F H K L N O P and Q Vibration may cause the rod connector sleeve to slide up out of position The remedy is to slide the connecter sleeve fully down Secure it in place by placing a rubber bushing over the top of the lower shift rod OR the upper shift rod A small piece of gas line can be used as a bu...

Page 6: ...ly off the mounting base of the main housing 4 DIRECTIONAL CONTROL ASSEMBLY 4 1 Remove the flat washer and hairpin clip from the end of the chute directional control 4 2 Insert the end of the chute directional control into the lower bracket and secure with the flat washer and hairpin clip See Figure 4 5 CHUTE BRACKET ADJUSTMENT If necessary the Chute Bracket can be adjusted if the spiral at the bo...

Page 7: ... remove the shave plate 7 1 Remove the carriage bolts and hex nuts which attach it to the auger housing Figure 6 Hex Nuts 7 2 Reassemble the new shave plate making sure the heads of the carriage bolts are to the inside of the housing Tighten securely See Figure 7 8 DRIVE CONTROL CABLE ADJUSTMENT When the drive control is released and in the disen gaged or up position the cable should have very lit...

Page 8: ...t for ALL moving parts to stop before re adjusting the auger control 9 4 To readjust the control cable loosen the hex jam nut on the auger control cable Z fitting Rotate the coupling end of the cable counterclockwise to provide more slack Retighten the hex jam nut See Figure 9 9 5 Repeat Auger Control Test to verify proper adjustment has been achieved WARNING Never attempt to make any adjust ments...

Page 9: ...hift lever 10 4 Re secure the ferrule with the hairpin clip removed earlier 11 AUGER BELT REPLACEMENT Figure 11 Lower portion of shift lever Ferrule Shift Rod Hairpin Clip Figure 12 Rotate Clockwise Down Shift Arm 11 1 Using a 3 8 socket and extension remove the two self tapping screws securing the plastic belt cover to the frame See Figure 13 11 2 Drain the gasoline from the snow thrower or place...

Page 10: ...ts as a belt keeper 11 9 Move the idler arm belt brake to the right as you remove the belt from around the auger pulley and slip the belt between the support bracket and the auger pulley See Figure 18 11 10 Reassemble auger belt by following instructions in reverse order IMPORTANT Do NOT forget to reinstall the shoulder screw and reconnect the spring to the frame after installing a replacement aug...

Page 11: ...ction Wheel Disc 13 FRICTION WHEEL REMOVAL If the snow thrower fails to drive with the drive control engaged and performing the drive control cable adjustment fails to correct the problem the friction wheel may need to be replaced 13 1 Examine the friction wheel for signs of wear or cracking and replace if necessary 13 2 Place the shift lever in third Forward F3 posi tion 13 3 Follow steps 11 1 th...

Page 12: ...tion wheel can be replaced as an assembly or repaired If you re replacing the friction wheel assembly as a whole discard the worn assembly and slide the new assembly onto the hex shaft Follow the steps above in reverse order to reassemble components If you re disassembling the friction wheel and replacing only the rubber ring proceed as follows 13 10 Remove the four screws that secure the friction...

Page 13: ...1 through 11 5 in the AUGER BELT REPLACEMENT Section 14 2 Using a socket remove the screws and bell washers securing the wheels to the axles Remove both wheels 14 3 Remove the extension spring from friction wheel support bracket See Figure 26 Figure 26 Friction Wheel Suport Bracket Extension Spring 14 4 Use a 7 16 socket and back off the screw secur ing the cable roller to the guide bracket Do not...

Page 14: ...ap 15 2 Disconnect the spark plug wire from the spark plug 15 3 Remove the hairpin clip securing the chute crank assembly to the chute crank bracket See Figure 30 15 4 Remove the washer and slide the crank assem bly from the bracket 15 5 Using a 3 8 socket and extension remove the two self tapping screws securing the plastic belt cover to the frame 15 6 Remove the auger belt from around the engine...

Page 15: ...drive belt from around the engine pulley Figure 32 Figure 33 Starter Cord 16 5 Using a screwdriver and 9 16 wrench remove the jam nut and bell washer securing the friction wheel to the support bracket See Figure 34 16 6 Remove the friction wheel from the bracket See Figure 35 NOTE Be aware of hole location during asem bly Use the hole on the right side as you face the unit when installing the fric...

Page 16: ...e AUGER PULLEY REMOVAL Section 18 3 Using a socket remove the two flange lock nuts securing the bearing housing to the auger housing Remove the bearing housing and bear ing and inspect for wear or damage See Figure 37 NOTE The two carriage bolts used to secure the bearing housing are held in place by push on nuts 18 4 Lay the auger housing on its face 18 5 Using a 1 2 socket remove the four two on...

Page 17: ...ger axle See Figure 41 There a four shear pins used to attach the spiral assemblies to the auger axle Spare pins are shipped with the unit See Figure 42 Spiral assemblies are marked left and right for proper installation NOTE During assembly place the auger hous ing face up when installing the auger and impel ler assembly 19 REDUCER TRANSMISSION 19 1 The reducer can be serviced It can also be pur ...

Page 18: ... 45 20 3 Inspect all internal parts for wear or damage NOTE before assembly clean off all of the ultra gray sealant on both sides of the gearbox hous ing Use ultra gray to reseal the housing before assembly 21 AUGER IDLER ARM 21 1 Split the unit See SPLITTING THE UNIT Sec tion 21 2 Remove the auger pulley See AUGER PULLEY REMOVAL Section 21 3 Align one of the holes in the impeller with the idler a...

Page 19: ...uring the lower chute to the chute adapter See Figure 47 22 2 Lift off the lower chute 22 3 Remove the hairpin clip securing the chute crank assembly to the chute crank bracket 22 4 Remove the washer and slide the crank assem bly from the bracket Figure 47 Flange Keeper 22 5 Using a 7 16 socket remove the four flange lock nuts and washers securing the chute adapter to the auger housing See Figure ...

Reviews:

No comments

Related manuals for 31AS6BN2711

Brand: Gardenline Pages: 16

Brand: Shindaiwa Pages: 56

Brand: HIKOKI Pages: 196

Snow Fox 769-02495

Brand: Yard Machines Pages: 44

Brand: Nilfisk-Advance Pages: 26

4SISON BLAX2-M-EU

Brand: Sabre Pages: 48

Brand: White Outdoor Pages: 48

Brand: MTD Pages: 28

Brand: Meyer Pages: 2

Brand: Toro Pages: 24

Brand: Elektror Pages: 26

UltraMount 2 MVP3 74300

Brand: Western Pages: 16

Brand: RCm Pages: 67

Brand: RCm Pages: 93

Brand: Poulan Pro Pages: 35

Brand: Poulan Pro Pages: 41

Brand: Raider Pages: 72

Brand: Grizzly Pages: 188

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands