Sears 917.257720 Lawn Mower User Manual


 
REPAIR PARTS
18 HP 44" TRACTOR - MODEL NUMBER 917.257720
KOHLER ENGINE - MODEL NUMBER MV18S_ TYPE NUMBER 58560
OIL PAN
KEY PART DESCRIPTION
NO. NO.
1 X-67-64
2 52 050 03
3 52 199 14
4 X-702-14
5 52 054 07
6 X-75-38
7 X-75o10
8 52 086 12
9 52 032 10
OiL FILTER
KEY PART
NO. NO.
1 52 050 02
2 82 755 23
3 X_55-15
4 X-75-23
5 52 041 16
PISTON & ROD
KEY PART
NO. NO.
1 52 067 67
52 067 68
2 52 874 11
52 874 12
52 874 !3
52 874 !4
52 874 15
3 230004
4 52 108 09
52 108 10 Ring Set o010" (2)
52 108 11 Ring Set .020" (2)
52 108 12 Ring Set .030" (2)
LOW OIL PRESSURE SWITCH
Screw, Hex Washer Head KEY PART
#10-32 x 7/16 (2) NO. NO.
Filter, Oil Pickup
Oil Pan (Includes Key #4 thru 6) 1 X-75o23
Plug, Cup 1-1/16
Elbow, Street
Plug, Hex, Countersunk
1/4 N.P.T.F.
Plug, Square Head 3/8 N,P.T.F. (2) KEY PART
Screw, Hex Washer Head NO, NO.
5/16-18 x 1-1/4 (9)
Seal, Oil, Rear
DESCRIPTION
OIl Filter
Kit, Oil Filter Adaptor
(Includes Key Numbers 3 thru 5)
Screw, Hex Socket Head
5/16-18 x !-1/4 (2)
Plug, Hex, Countersunk
t/8 NP.T.F.
Gasket, Oil Filter
DESCRIPTION
Connecting Rod, Standard (2)
Connecting Rod ,010" (2)
Piston with Ring Set, Standard (2)
Piston with Ring Set .003" (2)
Piston with Ring Set .010" (2)
Piston with Ring Set .020" (2)
Piston with Ring Set .030" (2)
Retainer, Piston Pin (4)
Ring Set, Standard and .003" (2)
DESCRIPTION
Plug, Pipe 1/8 N.P.T.F.
CAMSHAFT & VALVES
DESCRIPTION
1 52 012 09
2 52 019 03
3 41 755 10
4 52 413 01
5 25 089 01
6 52 016 05
7 52 0!7 08
8 52 032 13
9 230011
Camshaft
Tappet (4)
Kit, Retainer (4)
Rotator, Exhaust Valve (2)
Spring, Valve (4)
Valve, Exhaust (2)
Valve, Intake (2)
Seal, Intake Valve Stem (2)
Retainer, intake Valve (2)
OiL PUMP
KEY PART
NO. NO.
DESCRIPTION
1 X-280-25
2 52 144 05
3 52 422 01
4 52 043 05
5 52 393 09
6 52 096 03
7 X-67-64
Pin, Roll
Shaft, Oil Pump
Spacer, Shim
(As Required, Maximum of 2)
Gear, Oil Pump
Rotor Set
Cover, Oil Pump
Screw, Hex Washer Head
#10-32 x 7/16 (4)
NOT ILLUSTRATED
- - 82 522 30
- _ 52 755 94
Short Block
Gasket Set
RPM Settings: Low Speed: 1150-1650
High Speed: 3200-3400
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
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