MTD 191-768 User Manual

10 CENTS

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Model Nos. 190-768

F

191-768

37

For one year from date of purchase, MTD Products !nc ,
will replace for the original purchaser, free of charge, F.O.B.
factory or authorized service firm, any part or parts found to
be defective in material or workmanship. All transportation
charges on parts submitted for replacement under this war
ranty must be paid by the purchaser. This warranty does not
include replacement of parts which become inoperative
through misuse, excessive use, accident, neglect, improper
maintenance or alterations by unauthorized persons. This
warranty does not include the engine, motor, battery, bat
tery charger or any component parts thereof. For service on
these units refer to the applicable manufacturer's warranty.

The above warranty will apply only to the original owner

and will be effective only if the warranty card has been pro
perly processed. It will not apply where the unit has been
used commercially.

Warranty service is available through your local author

ized service dealer or distributor. UNDER NO CIRCUM
STANCES WILL THE RETURN OF A COMPLETE UNIT

BE ACCEPTED BY THE FACTORY UNLESS PRIOR

WRITTEN PERMISSION HAS BEEN EXTENDED.

36” SNOW THROWER

TT^

1. Know the controls and how to stop quickly—READ

THE OWNER'S MANUAL.

2. Disengage power and stop motor before cleaning dis

charge, removing obstacles, making adjustments, or
when leaving operation position.

3. Never direct discharge at bystanders nor allow anyone

in front of machine—debris may be hidden in the snow.

4. Keep children and pets a safe distance away.

5. Do not allow children to operate machine nor allow

adults to operate It without proper instruction.

6. Adjust height to clear gravel or crushed rock surface.

7. Exercise caution to avoid slipping or falling, especially

when operating in reverse.

8. Handle gasoline with care — it is highly flammable.
A. Use approved gasoline container.

B. Never add gasoline to a running motor — fill tank

out of doors and wipe up spilled gasoline.

C. Replace gasoline cap securely.

D. Open door if motor is run in garage — exhaust

gases are dangerous.

9. Disengage ail clutches and shift into neutral before
starting motor. Keep hands, feet and clothing away
from power driven parts.

10. Use a grounded three wire extension cord for all plug
in electric units.

11. Keep machine in good operating condition and keep

safety devices in place.

MTD FRODDCTS IlSTC • 5389 WEST 130th ST. • P.O BOX 2741 • CLEVELAND, OHIO 44111

FORM NO. 770-2862A

ASSEMBLY INSTRUCTIONS FOR MODEL 190-768 AND 191-768 SNOW BLOWER

1. Remove bag of parts, elbow assembly and

control rods.

2. Remove cardboard inserts.

3. Remove snow thrower. Be sure that every

thing is out of the carton before discarding
the carton.

4. Remove cutting unit from tractor.

A. Remove cotter pin and outside linkage

arm from tractor.

B. Remove cotter pin and Inside linkage

arm from tractor.

C. Remove cotter pin and Lift lever bracket

from tractor.

D. Disconnect Drive shaft at the P.T.O.

and remove.

E. Slide cutting unit out.

5. Remove front hanger bracket from snow
thrower by removing the clevis pin and
cotter hairpin.

6. Attach hanger bracket to tractor with four 5/16

bolts and sems nuts provided. See Fig. 3.

7. Attach snow thrower to mounting brackets
with clevis pins and cotter hairpin. See Fig. 2.

8. Remove battery ground wire from Left Hand
side plate. Attach clutch support bracket to
side plate and replace battery ground wire
and bolt.

9. Attach clutch rod to clutch engagement lever
with 5/16 X 7/8 bolt.

10. Attach stack control rod In eye bolt. Attach
clip to control rod and attach clip to clutch
support bracket with clevis pin and cotter

hairpin.

•n

.5

K>

GUIDE

CRANK

CLUTCH SUPPORT

BRACKET

•
1

1

•

1 ;

1 \ \

1

,

1

co

LIFT ROD,

j

1 L

CLUTCH ROD

BATTERY GROUND

WIRE

\ l

PIVOT BAR

SPRING LIFT BALANCE

SNOW THROWER

FRAME

CLEVIS PIN

COTTER HAIR PIN

11. Remove clevis pin from lift bar. Attach wire
hook to one end of each spring. Attach wire
hook end of spring on the snow thrower arm
with hole and the other end of spring on the
lift bar.

12. Remove lift hitch rod from lift handle. Insert
oblong spacer between lift handle and hitch
lift rod. Attach with clevis pin and cotter
hairpin. (Clevis pin provided is longer than
the one on the tractor.)

13. Attach lift rod to snow thrower and oblong
spacer. Use cotter hairpin to attach lift rod
to spacer.

14. Attach belt keeper on inside of grille with
large flat washer, lockwasherand bolt provided.
DO NOT TIGHTEN. Be sure belt keeper is in
such a position that it will not allow the belt
to come off the pulley.

15. Be sure the snow thrower is disengaged. At
tach belt to front P.T.O. sheave. Tighten
belt keeper.

16. Attach elbow assembly to stack control. Hook
loop end of cable over the stud on the elbow.

WHEN ORDERING REPLACEMENT PARTS, PLEASE ORDER FROM:

HABAN MANUFACTURING COMPANY
MOUND AND MARQUETTE STREET
RACINE, WISCONSIN 53404

co

PARTS LIST FOR 36" SNOW THROWER MODEL NOS. 190-768 AND 191-768

Ulus.

No.

2
3
4
5
6
7
8
9

10

11

12
13 GM-9413534

14

Part

No.

6462
3013
GM-126203
GM-271178
3045
GM-126216

Assembly — Header Hsg. (AW)
Blade — Scraper
Bolt — Blade to Header 1/4—20 x 5/8 Carr.
Nut & Lock Washer Ass’y-Blade to Header (1/4—20 Hex)
Shoe — Skid
Bolt — Shoe to Header (5/16—18x3/4) Carr.

Description

GM-271184 Nut & Lock Washer Ass’y- — Shoe to Header (5/16—18 Hex)
6336
6338

Assembly — Stack Drive Brkt. (AW)

Assembly — Tube & Cable (Complete)
3955 Eye Bolt — Drive Tube
GM-120388

Washer - Eye Bolt (3/8 Flat) 7/16 x 1 x .083

Nut — Eye Bolt (3/8—16 Hex Lock)
GM-120915

Bolt — Brkt. to Header 3/8—16 x 1 Carr. 44

Ulus.

No.
32

33

38
39
40
41
42
43

15 4506 Washer — Brkt. to Header (3/8 Flat) 13/32 x 1-1/2 x .0598 45
16

GM-271190 Nut & Lock Washer Ass’y- — Brkt. to Header 3/8—16 Hex
3014 Assembly — Auger (36” AW) 47

17

5474 Bearing — Auger 48

18

5473

19
20 GM-180075

21 GM-120214

22 3022

Flangette — Bearing

Bolt — Auger Bearing (5/16—18 x 5/8 Hex Head)

Washer — Auger Bearing (5/16 Med. Lock)

Assembly — Auger Shaft (36”) AW

46

49

23 GM-180075 Bolt — Shaft to Header (5/16—18 x 5/8 Hex Head)
24

GM120214

Washer — Shaft to Header (5/16 Med. Lock)

25 GM-180175 Bolt - Shaft to Header (1/2-13 x 1-1/4 Hex Head)

26

GM-138549
3916 Spacer— Auger Shaft (End Opposite Sprocket)

27
28 4143 Washer — Auger Shaft (1-1/32 x 1-1/2 x 1/8 Flat)

4143

29
30 3026 Sprocket — Auger Driven (35 Tooth)

31

3027

Washer — Shaft to Head (1/2 Shake-proof Lock)

Between Brg. & welded Washer

Washer — Augher Shaft (1-1/32 x 1-1/2 x 1/8 Flat)

(End Opposite Sprocket for Spacing)

Spacer — Sprocket

54
55
56 6550
57
58
59 5028
60

Part

No. Description

34
35
36
37

GM-180087
GM-120214
6474
3036
GM-9414012
6476

Bolt — Sprocket to Auger (5/16—18 x 2 Hex Head)
Washer — Sprocket to Auger (5/16 Med. Lock)
Chain — Auger Drive 68 Links (Conn. Endless)
Guard — Chain (Galvanized)

Screw- Chain Guard (1/4 x 1/2 Hex Washer) Head Self Tap

Assembly — Jachshaft Housing & Bushings (Complete)

3034 Bushing — Jackshaft

50
51

52
53

5074
GM-120389
GM-120238
6479
3396
S-271
6481
GM-142671
6484
GM-120382

GM-180120
GM-271190
6485

GM-120386
4119
GM-126177
6547

Fitting - Grease (1/4-28 Self Tap. Str.)

Washer — Jackshaft Hsg. to Supports (1/2 x l-l/4x .083 Flat)
Nut - Jackshaft Hsg. to Supports (1/2—13 Half Hex)
Assembly — Jackshaft & Sprocket (AW)
Washer - Drive Pulley Spacer (3/4 Flat) 49/64 x 1-1/2-x 16 Ga.
Key - Drive Pulley Locking §9 Woodruff
Assembly — Sprocket & Hub (AW)
Screw - Set (Sprocket & Hub) 5/16-18 x 1/2 Sq. Head CupPt.
Bracket — Jackshaft Mounting

Washer — Jackshaft Mtg. Brkt. to Header Channel
Bolt — Jackshaft Mtg. Brkt. to Header Channel
Nut & Lock Washer Assembly — Jackshaft Mtg. Brkt. to
Retainer — Belt (Rear)

Washer — Retainer to Header Channel (1/4 Flat) 5/16 x 3/4 x .065
Nut — Retainer to Header Channel 1 /4—20 Hex Lock
Nut — Retainer to Header Channel 1/4—20 Wing
Assembly — Jackshaft Mounting Brkt. (AW)
Assembly — Jackshaft (Complete) (AW)

5429

5030

Washer — (J’shaft to Brg.) (1-1/16 x 49/64 x .1196)
Assembly — Bearing & Flange
Flange — Bearing

4611

Bearing

(3/8 Med. Lock)
(3/8-16 X 3/4 Hex Head)
Header Channel (3/8—16 Hex)

PARTS LIST FOR 36” SNOW THROWER MODEL NOS. 190-768 AND 191-768 (Continued)

illus.

No.

Part

No.

Description

IHus.

No.

Part

No.

Description 1

1

j

61 GM180120 Bolt - (J’shaft to Brg.) 3/8-16 x 3/4 Hex Head

62
63
64

GM-120388
GM-120382
GM-180120

Washer — (J’shaft to Brg.) 3/8 Med. Flat (7/16 x 1 x .083)
Washer — (J’shaft to Brg.) (3/8 Med. Lock)

Bolt — (Flange to J’shaft Brkt.) 3/8—16 x 3/4 Hex Head 97 4119
65 GM-9413534 Nut — (Flange to J’shaft Brkt.) 3/8—16 Hex Lock
66

6490 Assembly — Idler Arm (AW)
67 6488 Assembly — Idler Pulley (4-1/2 O.D. A Sec.)
68
69

6495

GM-126509

Shield — ^lley

Bolt — (Pulley & Shields to Arm) 1/2—13 x 2-1/4 Carr.

70 GM-9417098 Washer — (Pulley & Shields to Arm 1/2 Flat) (17/32 x 1 x .063)

71

GM-138549

Washer — (Pulley & Shields to Arm) 1/2 Shakeproof Lock
72 GM-120378 Nut — (Pulley & Shields to Arm) 1/2—13 Lt. Hx.
73

6496

74

5759 Spacer — (Idler Brkt. To J’shaft Bracket)

Strap — Clutch Rod Mounting

75 GM-180134 Bolt — (Idler Brkt. Spacer, J’shaft Bracket, Flange)

00

GM-9413534

76

6553

77

3554

78

6488 Assembly — Idler Pulley (4-1/2 O.D. A Sec.)

79

Nut — (Idler Brkt. Spacer, J’shaft Brkt. Flange) 3/8—16 Hex Lock
Assembly — Idler Bracket (AW)
Spacer — Idler Bracket

3/8—16 X 2-1/2 Hex Head

80 GM-180192 Bolt -(Spacer & Pulley to Brkt.) 1/2-13x3-1/2 Hex Head

81

GM-138549 Washer — (Spacer & Pulley to Brkt.) 1 /2 Shakeproof Lock

82 6556

83 GM-180122

GM-120388

84

GM-271190

85

Chain — (Shaft to Rear Drive Brkt.) 46 Conn. Endless
Bolt — (Mtg. Brkt.) to Header Channel) 3/8—16 x 1” Hex Head

Washer — (Mtg. Brkt. to Header Channel) 3/8 Flat (7/16 x 1 x .083)
Nut & Lock Washer Ass’y. — (Mtg. Brkt. to Header Channel)

3/8-16 Hex

6498 Belt — Retainer

86

3090 Pin — Hair Cotter

87

4957 Assembly — Deflector & Elbow (AW)

88

5074 Fitting — Grease 1/4—28 Str. Self Tap

89

GM-180016 Bolt — Cable 1/4—20 x 1/2 Hex Head

90

GM-120386

91

3052

92

6558

93

GM-180020 Bolt — Deflector to Elbow 1/4—20 x 3/4 Hex Head

94

Washer — Cable 1/4 Flat 5/16 x 3/4 x .065 125
Deflector Elbow
Molding — Deflector (See Note)

95 3903
96 4506

98 3095

3095

99

6493 Assembly — MTG. Frame (AW)

100
101 GM-180079

GM-446363

102
103 GM-271184

104

3980
3341 Pin — Hair Cotter (Frame to Header) Assembly to Header

105
106

6502
3434

107
108 6503 Rod — lift

6504

110
111

6505
6506 Assembly — Rod Support Bracket (AW)

112
113 6508 Rod — Crank

114

6521
115 3694
116 3090
117

6509

4743 Ext. Clutch Rod (Assembly to Rod)

118
119 3090
120 GM-180077
121 GM-9413447 Nut — Ext. to Clutch Rod Mtg. Strap 5/16—18 Hex Lock
122 6511
123

6512 Assembly — Belt Popper (AW) (Engine)

124

GM-180130 Bolt — Belt Popper to Tractor Grill 3/8—16 x 1-3/4 Hex Head
GM-120382 Washer — Belt Popper to Tractor Grill 3/8 Med. Lock

126

6515

Washer — Deflector to Elbow 3/8 x 7/8 Concave Tooth
Washer — Deflector to Elbow 3/8 Flat Special

(13/32 X 1-1/2 X 16 Ga.)
Nut — Deflector to Elbow 1/4—20 Hex Lock
Clip — Connector Link

Link — Connector

Bolt — (Mtg. Frame to Tractor) 5/16—18x1 Hex Head
Washer — (Mtg. Frame to Tractor) 5/16 Flat 3/8 x 7/8 x .083
Nut & Lock Washer Ass’y. — Mtg. Frame to Tractor

5/16-18 Hex

Pin — Clevis ( Frame to Header) Assembly to Header

Hook — lift Spring

Spring — Lift Balance

Extension — lift Lever

Pin — Clevis (Ext. to Tractor — Lift Lever

(MTD with Hardware on Tractor)

Guide — Crank Rod

Pin — Clevis (Guide to Support Bracket)

Pin — Hair Cotter (Guide to Support Bracket)

Assembly — Clutch Rod (SW)

Pin — Hair Cotter (Ext. to Rod)

Bolt — Ext. to Clutch Rod Mtg. Strap 5/16—18 x 3/4 Hex Head

V-Belt — (Main Drive) A-66 68.3 — O.C. (Ass’y. on Header)

Washer — Belt Popper to Tractor Grill 3/8 Special Flat

(13/32x2-3/8x3/16)