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615
634
552A
615
220
552
616
230
741
357
REF.
PART
NO.
NO.
DESCRIPTION
16
Crankshaft
See Last Pages.
17
393741 Bearing–Ball
(P.T.O. Side)
24
222698 Key–Flywheel
25
394955 Piston Assy.
(Standard)
394956 Piston Assy.
(.010" O.S.)
394957 Piston Assy.
(.020" O.S.)
394958 Piston Assy.
(.030" O.S.)
26
394959 Ring Set
(Standard)
394960 Ring Set
(.010" O.S.)
394961 Ring Set
(.020" O.S.)
394962 Ring Set
(.030" O.S.)
27
260924 Lock–Piston Pin
28
299691 Pin–Piston
(Standard)
391286 Pin–Piston
(.005" O.S.)
29
393270 Rod–Connecting
(Standard)
393714 Rod–Conn.
(.020" Undersize)
K Included in Gasket Set–Part No. 491856.
Included in Valve Overhaul Kit–Part No. 498047.
z
9489–3
219
24
16
17
REF.
PART
NO.
NO.
30
222480 Dipper–Connecting
31
220863 Washer–Spacer
32
94671 Screw–Connecting
33
390420 Valve–Exhaust
Assemblies include all parts shown in frames.
46
45
42
31
29
32
27
30
28
REF.
DESCRIPTION
NO.
492667 Rod–Conn.
Used on Model Series
402442, 402445,
402447.
––––––– Note –––––
492911 Rod–Conn.
(.020" Undersize)
Used on Model Series
402442, 402445,
402447.
Rod
(Used Before Code
219
Date 92090300).
(Used After Code Date
92090300).
––––––– Note –––––
92909 Screw–Hex.
220
(Used Before Code
230
Date 92090400).
357
552
(Includes Ref. 42)
––––––– Note –––––
552A
390419 Valve–Exhaust
Used on Type No(s).
615
1501, 1502, 1505,
616
1506, 1507, 4020,
634
4021, 7020.
741
868
D Included in Carburetor Kit–Part No. 491539.
H Included in Pump Repair Kit–Part No. 393397.
3
402400 to 402499
45
40
35
868
41
36
33
26
27
25
PART
NO.
DESCRIPTION
34
261528 Valve–Intake
35
65906 Spring–Valve
(Intake Valve)
36
26828 Spring–Valve
(Exhaust Valve)
40
221596 Retainer–Valve
(Intake Valve)
41
292260 Retainer–Valve
(Exhaust Valve)
42
93630 Keeper–Valve
(Quantity of 2)
45
261368 Tappet–Valve
46
213520 Gear–Cam
394348 Gear–Governor
––––––– Note –––––
491663 Gear–Gov.
Used on Type No(s).
1208, 1209, 1214,
1219, 4009.
222773 Washer–Thrust
223882 Washer
91540 Key–Drive Pulley
262332 Bushing–Crank
(Lower)
262331 Bushing–Crank
(Upper)
94296 Retainer
491530 Crank–Governor
K491287 Seal
262694 Gear–Timing
393606 Seal–Valve
z
34
65
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