MTD 31AE663H401, 31AE633E401 manual Models E633 and E663, Part Description

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Models E633 and E663

	Ref.	Part No.	Part Description
	No.

1.684-0008A Shift Arm Assembly

2.684-0053A Lower Chute Crank (E663)

705-5204A Chute Crank Ass’y (E633)

3.	705-5266	Chute Crank Bracket
4.	710-0262	Carriage Bolt, 5/16-18 x 1.5
5.	710-0449	Carriage Bolt, 5/16-18 x 2.25
6.	710-0788	Self Tapping Screw, 1/4-20 x 1
7.	710-3008	Hex Cap Screw, 5/16-18 x .75
8.	710-3015	Hex Cap Screw, 1/4-20 x .75
9.	711-0677	Ferrule, 5/16-18 x .312
10.	712-0287	Hex Nut, 1/4-20
11.	712-0429	Lock Nut
12.	714-0104	Internal Cotter Pin
13.	714-0145	Click Pin

14.720-0201A Chute Crank Knob

15.	720-0284	Wing Knob, 5/16-18
16.	726-0100	Push Cap, 3/8
17.	736-0185	Flat Washer, .375 x .738 x .063
18.	736-0242	Bell Washer, .34 x .872
19.	736-0270	Bell Washer, .265 x .75 x .062
20.	736-0275	Flat Washer, .344 x .688 x .065
21.	736-0451	Saddle Washer, .32 x .93
22.	741-0475	Plastic Bushing
23.	747-0620A	Upper Shift Rod
24.	747-0621	Lower Shift Rod
25.	747-0737	Upper Chute Crank (E663)
26.	749-0951	Lower Handle
27.	749-0954	RH Handle (Upper)
28.	749-0955	LH Handle (Upper)
29.	750-0963	Shift Rod Connector
30.	684-0102	Handle Panel Ass’y With Tilt

31.710-0459A Hex Cap Screw, 3/8-24 x 1.5

32.	710-0599	Self Tapping Screw, 1/4-20 x .5
33.	711-0653	Clevis Pin
34.	712-0116	Jam Nut, 3/8-24
35.	714-0104	Cotter Pin
36.	732-0145	Compression Spring, .36 x 1.0
37.	732-0193	Comp. Spring, .39 x .6 x .88
38.	732-0746	Torsion Spring, .44 x .8
39.	735-0199A	Rubber Bumper

	Ref.	Part No.	Part Description
	No.	Part No.	Part Description
	No.

	40.	736-0105	Bell Washer, .401 x .87 x .063
	42.	736-0509	Special Washer, .35 x .72 x .13
	43.	746-0778	Cable “Z” Fitting
	44.	747-0877	Cam Rod
	45.	748-0362	Cam Handle Lock
	46.	748-0363	Handle Lock Pawl
	47.	784-5619A	Shift Handle
	48.	784-5679	LH Handle Support Bracket
	49.	784-5680	RH Handle Support Bracket
	50.	784-5681	LH Handle Support Bracket
	51.	784-5682	RH Handle Support Bracket
	52.	710-0451	Carriage Bolt, 5/16-18 x .75
	53.	710-0805	Hex Cap Screw, 516-18 x 1.5
	54.	710-0896	Screw, 1/4-14 x .625
	55.	712-0429	Hex Lock Nut, 5/16-18
	56.	712-3027	Hex Flange Lock Nut, 1/4-20

57.731-0851A Lower Chute Flange Keeper

58. 731-1300A

Lower Chute

59.731-1313C Chute Tilt Cable Guide

60.	731-1320	Upper Chute
61.	736-0159	Washer, 5/16
62.	736-0506	Special Washer, .28 x 1.2 x .06
63.	746-0896	Chute Deflector Control Cable
64.	746-0901	Chute Deflector Cable w/ Clip
65.	784-5594	Cable Bracket
66.	784-5604	Chute Tilt Handle
67.	629-0059	Halogen Light Harness
68.	684-0036	RH Engagement Handle Ass’y
69.	684-0059	LH Engagement Handle Ass’y
70.	710-1003	Special Screw, #10-16 x .625
71.	712-0271	Hex Sems Nut, 1/4-20
		(for ground wire of light ass’y)
72.	720-0232	Plastic Knob
73.	725-1658	Halogen Lamp, 12-volt, 27 Watt
74.	725-1672	Lens Assembly / Lamp Housing
75.	731-1545	Handle Pane w/ Tiltl, Yellow
76.	747-1136	Headlamp Retainer
78.	747-0697	Eyebolt
—	735-0234	Eyebolt Grommet (Not Shown)

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Contents Operator’s Manual Table of Contents Operation Important Safe Operation PracticesTraining PreparationYour Responsibility Maintenance And StorageAssembling Handle Assembling Your Snow ThrowerUnpacking Loose PartsModel E633E Attaching Chute Directional ControlTraction Control and Shift Lever Final AdjustmentsModel 663H Chute Directional Control Support BracketTire Pressure Pneumatic Tires Skid ShoeKnow Your Snow Thrower To Start Engine Operating Your Snow ThrowerBefore Starting Gas and Oil Fill-UpOperating Tips To Stop EngineTo Engage Drive To Engage AugersTraction Control Chute AssemblyAuger Control Skid ShoeDrive Wheels Maintaining Your Snow ThrowerLubrication Belt Removal and Replacement ServiceShave Plate and Skid Shoes Auger Housing SpringChanging Friction Wheel Rubber Drive Belt Engine AugersProblem Cause Remedy TroubleshootingParts List for Models E633 and E663 Part Description Models E633 and E663Drive Clutch Cable Part Description Ref. No Models E633 and E663 Ref. No Part Description Ref. No Part DescriptionRef. No. Part No Part Description Model E633Model E663 Model E633 Model E663 MANUFACTURER’S Limited Warranty for