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19

Ref. 

No.

Part No. 

Description

1.

647-04014

Control Handle

2.

731-0904A

Upper Control Housing

3.

16864

6 Spd. Rack Cable Bracket

4.

731-0620

Control Lever

5.

713-0397

Gear Insert

6.

732-0627

Shift Lever Spring

7.

731-0924

6 Speed Shift Lever 

8.

731-0905A

Lower Control Housing

9.

710-1667A

C Sunk Tap Screw #10 x.75 Lg

10.

731-0906

Cable Mounting Cap

11.

746-0711B

Drive Cable 51.0

12.

712-0324

Top Lock Nut 1/4-20

13.

746-0883

Control Housing

14.

710-1270

Oval C-Sunk Screw

15.

746-0557

Control Cable 47”

16.

749-0439D

Upper Handle

17.

720-0284

Wing Nut

18.

736-0451

Saddle Washer.320 ID x.830 OD

19.

710-1174

Carriage Bolt 5/16-18 x 2.0

20.

726-0240

Cable Tie

21.

749-0907B

Lower Handle

27.

731-1901

Trail Shield

28.

732-0842

Trail Shield Wire

29.

631-0066

Chute Assembly

30.

731-1832

Side-Discharge Chute

31.

731-1833A

Mulch Cover

32.

782-0078B

Deck 21”

33.

712-0397

Wing Nut

34.

710-0703

Carriage Bolt 1/4-20 x.75

35.

746-0939A

6 Speed Cable

36.

782-7574A

Cable Adjustment Bracket

37.

736-0270

Bell Washer.265 ID x.75 OD

38.

712-3006

Hex Nut 1/4-20

39.

710-0167

Carriage Screw 1/4-20 x.50

40.

712-0138

Hex Nut 1/4-28

41.

782-7575A

Cable Mounting Bracket

42.

736-0329

Lock Washer 1/4

43.

756-0625

Cable Roller

44.

738-0924

Shoulder Screw.375 ID x 1/4-14

45.

736-0264

Flat Washer.330 ID x.630 OD

46.

714-0104

Cotter Pin 

47.

732-0306

Compression Spring

48.

734-2044

Wheel 9 x 2.125

49.

712-0414

Top Lock Tab Weld Nut 1/4-20

50.

16855

Ratchet Pawl Plate

51.

10622B

Plastic Spring Ratchet

52.

748-0381

Pawl RH

748-0188B

Pawl LH

53.

738-0137A

Shld Screw.340 ID x.285 OD

54.

748-0318

Wheel Rachet

55.

736-0270

Bell Washer.265 ID x.75 OD

56.

710-0751

Hex Cap Screw 1/4-20 x.620

57.

737-3000

Grease Fitting

58.

736-0931

Flat Washer.203 ID x.403 OD

59.

747-0924

Wheel Pin Lock 

60.

682-9020A

Caster Assembly RH 

682-9021A

Caster Assembly LH

61.

682-9024

Caster Bracket Assembly RH 

682-9026

Caster Bracket Assembly LH

62.

710-1348

Screw 1/4-14 x.500

63.

710-1652

Screw 1/4-20 x.625

64.

710-0654A

Hex Washer Screw 3/8-16 x 1.0

65.

711-1146

Caster Axle 

66.

726-0233

Push Nut.25ID x.50OD

67.

710-0703

Carriage Screw 1/4-20 x.75

68.

710-0969

Screw #12-16 x 1.00

69.

736-0232

Wave Washer.531 ID x.781 OD

70.

712-0397

Wing Nut

71.

710-0260

Carriage Bolt 5/16-18 x.62

72.

754-0460

Belt 3/8 x 39.24

73.

656-0613

Pulley Assembly 

74.

750-1071

Sleeve Spacer.88 ID x 1.13 OD

75.

750-1070

Sleeve Spacer.88 ID x 1.00 OD 

76.

782-7597

Pivot Bracket

77.

725-0157

Cable Tie

78.

782-7596

Control Arm

79.

732-0807

Torsion Spring

80.

711-1114

Pivot Shaft

81.

736-0526

Wave Washer 1.38 ID x.88 OD

82.

731-1828

Baffle

83.

710-0653

Screw 1/4-20 x 3.75

84.

748-0377C

Blade Adapter

85.

742-0741

21” Mulching Blade

86.

736-0524A

Blade Bell Support

87.

710-1257

Hex Bolt 3/8-24 x 2.5

88.

731-1874

Chute Door

89.

732-0819

Torsion Spring

90.

726-0111

Push Cap

91.

747-0965

Pivot Rod

92.

731-1713B

Discharge Chute

94.

726-0214

Push Cap

95.

736-0366

Flat Washer.640 ID x 1.12 OD

96.

741-0685

Flange Bearing

97.

712-3004A

Flange Lock Nut 5/16-18

98.

734-1857

Wheel 7 x 2

99.

731-1887

Hubcap - Spoke w/ Hole

100. 731-0981A

Hubcap - Radial Spoke

101. 682-3052

Handle Bracket Assembly - RH

682-3053

Handle Bracket Assembly - LH

102. 710-0134

Carriage Screw 1/4-20 x.62

Ref. 

No.

Part No. 

Description

Model 998Q

Summary of Contents for 12A-998Q766

Page 1: ...h 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...

Page 2: ...rts Choose from the options below Visit troybilt com for many useful suggestions Click on Customer Support button and you will get the four options reproduced here Click on the appropriate button and...

Page 3: ...rotating parts or under the cutting deck Contact with the blade can amputate hands and feet 9 A missing or damaged discharge cover can cause blade contact or thrown object injuries 10 Many injuries oc...

Page 4: ...ooting or balance 2 Do not mow slopes greater than 15 degrees as shown on the slope gauge 3 Do not mow on wet grass Unstable footing could cause slipping Children Tragic accidents can occur if the ope...

Page 5: ...to improper performance and compromise safety 4 Mower blades are sharp and can cut Wrap the blade or wear gloves and use extra caution when servicing them 5 Keep all nuts bolts and screws tight to be...

Page 6: ...N T I N G A 1 5 S L O P E WARNING Do not mow on inclines with a slope in excess of 15 degrees a rise of approximately 2 1 2 feet every 10 feet A riding mower could overturn and cause serious injury If...

Page 7: ...er Assembling Handle Lift up and pull back on the upper handle to raise the handle into the operating position See Figure 3 Make certain the lower handle is seated securely into the handle bracket ass...

Page 8: ...u want to mulch the grass clippings For bagging purposes you will have to attach the grass bag and its adapter in place of the mulching baffle Remove three wing nuts holding the mulching baffle or sid...

Page 9: ...em Release the clutch control to disengage the drive system Release the clutch control to slow down when approaching an obstacle making a turn or stopping Shift Lever The shift lever is located on the...

Page 10: ...r will automatically revert to the RUN position Refer to the engine manual for further details Your lawn mower is equipped with a constant speed throttle which is set at full throttle for best perform...

Page 11: ...pe out of the way of the bag Continue to hold the lower handle and raise the rear of the grass bag up toward your chest The grass bag will open and the grass clippings will disperse When replacing the...

Page 12: ...lock pins in the larger holes to lock the wheels for straight ahead operation Place pins in smaller holes to allow casters to rotate freely for turning Drive Clutch Control The adjustment wheel is loc...

Page 13: ...to remove it now Engine Care A list of key maintenance jobs required for good performance by the mower is given below Follow the engine manufacturer s Owner s Operator s Manual packed separately with...

Page 14: ...g sure that the air filter and the carburetor are up Remove the bolt and the blade bell support which hold the blade and the blade adapter to the engine crankshaft See Figure 18 Remove the blade and t...

Page 15: ...gainst the engine Drain the fuel tank or place a piece of plastic beneath the cap to prevent gasoline leakage Place shift lever in the first position and tip the mower on its side with air filter faci...

Page 16: ...assembly Pinch both sides of the belt together so that the belt is not in the pulley groove and the lower pulley can be pushed towards the engine See Figure 24 Figure 24 Pivot the control arm back to...

Page 17: ...4 Clean fuel line 5 Clean adjust gap or replace 6 Wait a few minutes to restart do not prime Engine runs erratic 1 Spark plug wire loose 2 Blocked fuel line or stale fuel 3 Vent in gas plugged 4 Wate...

Page 18: ...ute non OEM V Belt can be dangerous by not disengaging completely 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 27 31 32 33 34 35 36 37 38 39 40 41 42 43 44 48 49 51 50 52 53 54 56 55 100 62 63 64...

Page 19: ...53 738 0137A Shld Screw 340 ID x 285 OD 54 748 0318 Wheel Rachet 55 736 0270 Bell Washer 265 ID x 75 OD 56 710 0751 Hex Cap Screw 1 4 20 x 620 57 737 3000 Grease Fitting 58 736 0931 Flat Washer 203 ID...

Page 20: ...l 998Q 1 2 3 4 5 6 7 7 8 9 10 11 12 13 14 14 7 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 30 31 32 33 34 35 36 37 38 39 40 41 42 44 45 46 47 14 50 51 52 53 54 55 56 57 48 59 60 63 62 61 49 64 58...

Page 21: ...rew 1 4 20 x 625 28 714 0474 Cotter Pin 29 712 3025 Hex Jam Nut 5 16 24 30 736 0425 Bell Washer 325 ID x 930 OD 31 756 0656 Pulley 32 736 3084 Flat Washer 510 ID x 1 120 OD 33 712 0896 Hex Jam Nut 1 4...

Page 22: ...22 NOTES...

Page 23: ...23 NOTES...

Page 24: ...ts and normal deterioration of the exterior finish due to use or exposure d Service completed by someone other than an authorized service dealer e Troy Bilt does not extend any warranty for products s...

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