Craftsman Snow Blower 2478878 User Manual

Operator’s Manual  
®
21” SNOW THROWER  
Model No. 247.88780  
FORM NO. 769-06194A  
7/23/2010  
 
PARTS LIST  
Craftsman Snow Thrower Model 247.88780  
Ref. No.  
1.  
Part No.  
Description  
Idler Pulley Assembly  
Ref. No.  
27.  
Part No.  
Description  
684-04168  
747-05360  
Drive Cable Wire Support  
2.  
3.  
4.  
5.  
684-04363-0691 Frame  
28.  
29.  
30.  
748-0234  
Shoulder Spacer  
984-04362  
929-0071A  
753-06469  
Auger Assembly Mount  
3-Prong Extension Cord  
749-04694-0637 Lower Handle  
750-04571  
750-04758  
750-05393  
Shoulder Spacer, .260 x .785 x .538  
Auger Replacement Kit (Inc. 2 Paddles  
and 12 Hex Washer Screws)  
31.  
32.  
33.  
34.  
35.  
36.  
37.  
38.  
39.  
40.  
41.  
42.  
43.  
44.  
45.  
46.  
47.  
LH Auger Spacer  
RH Auger Spacer  
6.  
790-00427-0637 Center Auger Bracket  
790-00390-0691 RH Auger Plate  
790-00391-0691 LH Auger Plate  
790-00403-0691 Bearing Cup  
790-00406-0637 Idler Bracket  
7.  
710-0134  
710-0136  
710-0627  
710-0642  
710-0653  
710-0817  
710-0895  
710-3008  
710-3296  
712-04063  
712-04064  
718-04737  
931-07626  
931-07667  
731-07737  
732-04748  
936-0176  
738-04456  
741-04188A  
946-04701  
Carriage Screw, 1/4-20 x .62  
Hex Screw, 1/4-20 x 1.757  
Hex Lock Screw, 5/16-24 x .750  
Hex Washer Screw, 1/4-20 x .750  
Hex Washer Screw, 1/4-20 x .375  
Hex Washer Screw, 5/16-18 x 1.250  
Hex Washer Screw, 1/4-15 x .750  
Hex Screw, 5/16-18 x .75  
Hex Lock Screw, 1/4-20 x .750  
Flange Lock Nut, 5/16-18  
Flange Lock Nut, 1/4-20  
Pulley Hub  
8.  
9.  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
18.  
19.  
20.  
21.  
22.  
23.  
24.  
25.  
26.  
790-00426  
726-0299  
734-1781  
Cable Idler Bracket  
Push Cap, 1/2  
Wheel, 8 x 1.7  
750-05417  
747-05341  
751-10487  
751-11648  
731-07664  
710-0654A  
712-0700  
Sleeve Spacer, .525 x .78 x 1.00  
Gas Tank Wire Support  
Fuel Cap  
Fuel Tank  
Choke Extension Lever  
Hex Washer Screw, 3/8-16 x 1.000  
Flange Nut, 9/16-18  
Flat Washer, .343 x .88 x .062  
Belt, .500 x 35.06  
Chute Adapter  
Shave Plate  
736-0371  
954-04050  
956-0416B  
756-04443  
710-05183  
752Z265-JU  
Belt Cover  
48.  
49.  
50.  
51.  
52.  
Extension Spring, .70 x 3.035  
Flat Washer, .265 x .938 x .120  
Shoulder Bolt, 5/16-24 x .496 x 2.18  
Ball Bearing, .625 x 37 x 12  
Clutch Cable  
Pulley Half, .625 x 2.25  
Pulley, 1/2 x 6.00  
Hex Screw, 5/16-24 x 1.25  
Replacement Engine  
25  
 
PARTS LIST  
Craftsman Snow Thrower Model 247.88780  
10  
9
5
4
11  
15  
2
16  
8
3
4
19  
17  
24  
25  
26  
21  
22  
26  
1
8
14  
26  
23  
13  
20  
26  
6
18  
8
20  
23  
6
12  
6
7
4
26  
 
PARTS LIST  
Craftsman Snow Thrower Model 247.88780  
Ref. No.  
1.  
Part No.  
710-0106  
Description  
Hex Screw, 1/4-20 x 1.25  
Carriage Bolt, 5/16-18 x 1.00  
Carriage Bolt, 5/16-18 x .750  
Hex Washer Screw, 1/4 x .750  
Flange Lock Nut, 5/16-18  
Flange Lock Nut, 1/4-20  
Bevel Gear  
2.  
3.  
710-04071  
710-0451  
4.  
710-05108  
712-04063  
712-04064  
917-04844  
720-04122  
731-04426A  
731-07644  
931-07753  
932-04111  
736-0173  
5.  
6.  
7.  
8.  
Wing Knob, 5/16-18  
9.  
Upper Chute  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
18.  
19.  
20.  
21.  
22.  
23.  
24.  
25.  
26.  
Chute Handle  
Lower Chute  
Chute Adjustment Spring  
Flat Washer, .28 x .74 x .063  
790-00401-0637 Gear Retaining Bracket  
925-04031A  
710-04669  
710-0599  
Ignition Switch Assembly  
Hex Washer Screw, 10-16 x .625  
Hex Washer Screw, 1/4-20 x .500  
Bottom Cover  
731-07725  
731-07781  
710-04998  
710-1205  
Top Cover  
Carriage Screw, 5/16-18 x 1.00  
Eye Bolt, 1/4-20  
720-0279  
Handle Knob  
738-04419A  
747-05327-0637  
749-04703-0637  
710-0895  
Shoulder Screw, 1/4-20 x .375 x .148  
Auger Bail  
Upper Handle  
Screw, Hi-Lo:1/4-15, 0.75  
27  
 
PARTS LIST  
Craftsman Engine Model 265-jU For Snow Thrower Model 247.88780  
115  
122  
113  
125  
125  
126  
126  
121  
26  
26  
99  
104  
127  
119  
105  
100  
72  
72  
72  
75  
128  
102  
56  
26  
71  
129  
26  
98  
101  
70  
68  
67  
73  
74  
66  
65  
64  
64  
76  
69  
72  
61  
23  
23  
63  
62  
60  
81  
59  
19  
53  
80  
85  
90  
18  
29  
49  
15  
57  
46  
15  
58  
29  
21  
20  
22  
26  
53  
78  
79  
54  
22  
15  
13  
55  
52  
26  
14  
15  
48  
40  
12  
11  
6
47  
47  
10  
8
7
17  
1
5
26  
1
26  
13  
3
16  
10  
96  
9
8
4
95  
86  
1
1
2
87  
88  
92  
89  
93  
94  
94  
93  
26  
33  
29  
83  
45  
44  
45  
97  
26  
82  
84  
28  
32  
43  
77  
109  
110  
117  
124  
30  
133  
31  
130  
33  
24  
37  
134  
34  
136  
123  
135  
25  
27  
35  
37  
130  
118  
39  
36  
38  
132  
131  
28  
 
PARTS LIST  
Craftsman Engine Model 265-jU For Snow Thrower Model 247.88780  
Ref.  
1
Part No.  
Description  
Ref.  
86  
Part No.  
Description  
Qty.  
951-10805  
Flywheel  
Cooling Fan  
Starter Cup  
Nut  
710-04968  
Bolt  
87  
88  
89  
90  
92  
93  
94  
95  
96  
98  
99  
951-10909  
951-10911  
712-04209  
951-10647  
751-12014  
736-04455  
710-04974  
751-12015  
731-05696  
951-11104  
751-12016  
2
3
4
7
8
951-11054  
731-07059  
726-04101  
751-11124  
751-11123  
Valve Cover  
Breather Hose  
Hose Clamp  
Valve Kit (incl. intake and exhaust valve)  
Blower Housing  
Washer  
Pivot Locking Nut  
Valve Adjusting Nut  
10 710-04902  
15 710-04933  
18 951-10292  
19 751-12010  
20 710-05276  
21 951-11285  
22 712-04214  
23 710-05002  
24 951-10962  
26 710-04915  
28 710-05101  
29 710-04919  
33 951-12011  
37 712-04213  
44 951-10961  
45 710-05275  
47 951-10648  
49 715-04090  
57 951-11113  
59 951-11356  
60 736-04461  
62 714-04074  
64 951-11369  
65 951-10307  
68 715-04092  
69 715-04096  
70 951-11371  
72 710-04932  
75 951-11368  
78 736-04440  
80 951-11370  
81 751-12013  
83 751-12012  
85 951-10370  
Pivot Bolt  
Bolt  
Bolt  
Recoil Starter  
Starter Handle  
Governor Spring Bracket  
Governor Shield  
Governor Spring  
Throttle Return Spring  
Governor Rod  
Nut  
Spark Plug  
Muffler Assembly  
Stud  
Muffler Gasket  
100 751-12017  
Nut  
101  
102  
951-10664  
951-10665  
Bolt  
Heater Box Base  
104 712-04212  
105 710-04908  
Bolt  
Bolt  
Stud, M6 x110  
113  
115  
119  
121  
122  
125  
126  
127  
128  
129  
130  
131  
132  
751-11913  
751-11912  
951-11106  
951-11903  
751-11934  
710-05182  
715-04088  
951-10645A  
710-04979  
951-11109  
951-10639A  
710-04945  
710-04938  
952Z265-JU  
951-11283  
951-11577  
Dipstick Tube  
Dipstick  
Bolt  
Carburetor Assembly  
Governor Arm Bracket  
O-Ring  
Nut  
Heater Box  
O-Ring  
Bolt  
Bolt  
Push Rod Kit (incl. intake and exhaust rod)  
Dowel Pin  
Dowel Pin  
Electric Starter  
Bolt  
Air Shield  
Governor Arm Shaft  
Washer  
Blower Housing Shield  
Primer  
Cotter Pin  
Bolt  
Radial Ball Bearing  
Flywheel Key  
Drain Bolt  
Engine, Complete  
Oil Fill Plug Assembly  
O-Ring  
Dowel Pin, 7 x 14  
Dowel Pin, 9 x 14  
Crankcase Cover Gasket  
Cover Bolt  
56  
1
73  
74  
1
Oil FIll Plug  
951-11063  
951-11054  
951-11565  
751-11913  
751-11913  
951-11903  
Valve Cover Kit (Not Shown)  
Valve Cover  
1
Oil Seal  
2
Washer  
5
Head Cover Gasket  
Oil Fill Tube Assembly  
Dipstick Tube  
O-Ring  
1
Oil Seal  
1
Ignition Coil  
113  
121  
Fuel Line Kit (incl. clamps and fuel line)  
Oil Drain Assembly, includes 78, 79  
2
29  
 
PARTS LIST  
Craftsman Engine Model 265-jU For Snow Thrower Model 247.88780  
Ref.  
33  
Part No.  
Description  
Carburetor Assembly  
Qty.  
Ref.  
Part No.  
Description  
Qty.  
951-10722A  
Cylinder Head Assembly (Not Shown)  
751-12011  
5
951-11565  
751-12000  
751-11124  
751-11123  
751-11893  
710-04902  
751-12002  
751-12003  
751-12004  
751-11894  
751-11895  
Head Cover Gasket  
Intake Valve Spring Seat  
Pivot Locking Nut  
Valve Adjusting Nut  
Rocker Arm  
1
1
2
2
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
25  
Main Jet  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
6
27  
Needle Valve Spring  
Float  
7
35  
8
36  
951-11589  
Fuel Bowl Gasket  
Fuel Drain Plug Gasket  
Fuel Bowl Gasket  
Choke Shaft  
9
38  
951-11349  
10  
11  
12  
13  
14  
16  
17  
21  
30  
31  
46  
90  
Pivot Bolt  
39  
951-11348  
Exhaust Valve Adjuster  
Exhaust Valve Spring Seat  
Valve Spring  
43  
77  
Choke Plate  
82  
Throttle Shaft  
Throttle Plate  
Screw, M3×5  
Intake Valve Seal  
Push Rod Guide Plate  
Cylinder Head - Complete  
Muffler Gasket  
84  
97  
109  
110  
117  
118  
123  
124  
130  
131  
132  
133  
134  
135  
136  
Lock Washer  
951-11285  
951-11567  
951-11568  
751-11898  
951-10647  
751-12031  
751-11902  
951-11369  
951-11371  
Idle Jet Assembly  
Idle Speed Adjusting Screw  
Fuel Bowl  
Carburetor Insulator Gasket  
Carburetor Insulator Plate  
Cylinder Head Gasket  
Valve Kit  
751-11906  
751-12019  
Hose Clamp  
Primer Hose  
Crankcase Kit (Not Shown)  
Governor Seal  
951-10639A Primer  
61  
64  
70  
76  
80  
710-04945  
710-04938  
Bolt  
Radial Ball Bearing  
Crankcase Cover Gasket  
Crankcase  
Drain Bolt  
Gasket, Throttle Plate  
Float Pin  
951-11370  
951-11020  
Oil Seal  
Emulsion Tube  
25  
Carburetor Kit, Major (Not Shown)  
Main Jet  
Needle Valve  
751-12028  
951-11565  
951-11285  
951-11567  
951-11568  
751-11569A  
951-11571  
751-11898  
736-04461  
751-11902  
714-04074  
951-11371  
951-11368  
Gasket Kit, Complete (Not Shown)  
Head Cover Gasket  
Muffler Gasket  
27  
Needle Valve Spring  
Float  
5
35  
21  
30  
31  
32  
34  
46  
60  
61  
62  
70  
75  
78  
80  
36  
951-11589  
951-11349  
951-11348  
Fuel Bowl Gasket  
Fuel Drain Plug Gasket  
Fuel Bowl Gasket  
Gasket, Throttle Plate  
Float Pin  
Carburetor Insulator Gasket  
Carburetor Insulator Plate  
Carburetor Gasket  
Carburetor Gasket Plate  
Cylinder Head Gasket  
Washer  
38  
39  
133  
134  
135  
136  
Emulsion Tube  
Needle Valve  
Governor Seal  
751-11912  
751-11912  
Dipstick Assembly  
Dipstick  
Cotter Pin  
115  
Crankcase Cover Gasket  
Oil Seal  
122 751-11934  
O-Ring  
40  
20  
751-12027  
710-05276  
Muffler Stud Assembly  
Stud  
736-04440 Washer  
951-11370 Oil Seal  
30  
 
PARTS LIST  
Craftsman Engine Model 265-jU For Snow Thrower Model 247.88780  
Ref.  
Part No.  
Description  
Qty.  
Ref.  
Part No.  
Description  
Qty.  
751-12029  
Short Block Assembly (Not Shown)  
751-12026  
Gasket Kit, External (Not Shown)  
5
951-11565  
951-11285  
951-11567  
951-11568  
751-11898  
751-11899  
715-04090  
951-11553  
951-11632  
751-11900  
751-11901  
951-11573  
951-11356  
736-04461  
751-11902  
714-04074  
951-11575  
951-11369  
951-10307  
Head Cover Gasket  
Muffler Gasket  
1
1
1
1
1
2
2
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
7
1
1
1
1
1
1
2
5
951-11565  
951-11285  
951-11567  
951-11568  
751-11569A  
951-11571  
Head Cover Gasket  
1
1
1
1
1
2
1
1
1
1
7
1
1
1
2
1
1
1
1
21  
30  
31  
46  
48  
49  
52  
53  
54  
55  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
78  
79  
80  
21  
30  
31  
32  
34  
78  
Muffler Gasket  
Carburetor Insulator Gasket  
Carburetor Insulator Plate  
Cylinder Head Gasket  
Tappet  
Carburetor Insulator Gasket  
Carburetor Insulator Plate  
Carburetor Gasket  
Carburetor Gasket Plate  
Dowel Pin  
736-04440 Washer  
Piston Ring Set  
Piston Pin Snap Ring  
Piston  
951-11246  
951-11369  
951-11371  
Crankcase Cover Kit (Not Shown)  
64  
70  
71  
72  
73  
74  
75  
Radial Ball Bearing  
Crankcase Cover Gasket  
Case Cover  
Piston Pin  
Connecting Rod Assembly  
Governor Arm Shaft  
Washer  
710-04932  
Cover Bolt  
O-Ring  
Oil Fill Plug  
Governor Seal  
951-11368  
751-12030  
951-11369  
951-10307  
Oil Seal  
Cotter Pin  
Crankshaft Kit (Not Shown)  
Radial Ball Bearing  
Flywheel Key  
Crankshaft Assembly  
Oil Seal  
Camshaft Assembly  
Radial Ball Bearing  
Flywheel Key  
64  
65  
66  
75  
80  
Crankshaft Assembly  
Governor Gear/Shaft Assembly  
Dowel Pin, 7 x 14  
Dowel Pin, 9 x 14  
Crankcase Cover Gasket  
Cover Complete, Left Crankcase  
Cover Bolt  
951-11368  
951-11370  
951-11576  
715-04092  
715-04096  
951-11371  
Oil Seal  
710-04932  
951-11577  
O-Ring  
Oil Fill Plug  
951-11368  
Oil Seal  
Crankcase  
736-04440 Washer  
710-04906  
Oil Drain Plug Washer  
951-11370  
Oil Seal  
31  
 
PARTS LIST  
Craftsman Snow Thrower Model 247.88780  
777S33731  
777X43688  
777I23462  
777I22139  
DO NOT  
USE E85 OR FUEL  
CONTAINING MORE  
THAN 10% ETHANOL  
PRIMER  
G
777S33118  
777S32236  
DANGER  
DANGER  
777X43293  
NEVER PUT HAND IN CHUTE. CONTACT WITH  
ROTATING PARTS CAN AMPUTATE FINGERS  
AND HANDS.  
SHUT OFF ENGINE AND WAIT UNTIL AL L  
MOVING PARTS HAVE STOPPED BEFORE  
UNCLOGGING.  
AVOID INJURY FROM  
ROTATING AUGER-  
KEEP HANDS, FEET  
AND CLOTHING AWAY.  
USE CLEAN-OUT TOOL OR WOODEN STICK TO  
UNCLOG DISCHARGE CHUTE.  
777S33636  
777D14845  
CHUTE DIRECTIONAL CONTROLS  
ADJUSTABLE  
CHUTE TIL T  
ADJUSTABLE CHUTE  
DISCHARGE  
1. KEEP AWAY FROM ROTATING AUGER  
CONTACT WITH AUGER CAN AMPUTATE  
HANDS AND FEET .  
STARTING INSTRUCTIONS:  
2. DISENGAGE CLUTCH LEVERS, STOP  
ENGINE, AND REMAIN BEHIND HANDLES  
U NTIL ALL MOVING PA RTS HAVE STOPPED  
BEFORE UNCLOGGING OR SERVICING  
MACHINE.  
1.) INSERT IGNITION KEY AND SNAP IN PLACE.  
2.) MOVE CHOKE CONTROL TO THE “CHOKE”  
POSITION. PUSH PRIMER BUTTON 3x.  
ROPE START : PULL SLOWL Y UNTIL HARDER TO  
PULL, THEN PULL RAPID L Y TO START . REPEAT  
PRIMING IF NEEDED.  
ELECTRIC START : DO NOT USE IN RAIN.  
CONNECT POWER CORD AND PUSH STARTER  
BUTTON. REPEAT PRIMING IF NEEDED.  
3.)  
3. TO AVOID THROWN OBJECTS INJURIES,  
NEVER DIRECT DISCHARGE A T BYSTANDERS  
USE EXTRA CAUTION WHEN OPERA T ING ON  
GRAVEL SURFACES.  
21” CLEARING WIDTH  
4. READ OPERATOR’S MANUAL.  
4.) MOVE CHOKE CONTROL SLOWLY TO THE  
“RUN” POSITION.  
179 cc 4-Cycle OHV  
5.) TO STOP ENGINE: PULL KEY OUT .  
CHOKE  
S33636  
ELECTRIC START  
777I22138  
FOR TURNING,  
NOT LIFTING  
777D15192  
777I23463  
RUN  
CHOKE  
CHOKE CONTROL BELOW  
32  
 

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