Generac
®
Power Systems, Inc.
41
ITEM PART NO. QTY. DESCRIPTION
1
0C5729
1
ASSEMBLY, CRANKCASE HOUSING WITH
SLEEVE
2
0C3008
1
SEAL, 38 I.D. CRANKSHAFT
3
090388
8
SCREW, TAPTITE M6-1.0 X 12 YC
4
0C5372
1
ASSEMBLY, BREATHER
5
0C3005
1
GASKET, BREATHER COVER
6
0C3003
3
SEPARATOR, OIL BREATHER
7
0D8067A
1
ASSEMBLY, HEAD #1 G&S
8
071983
4
RETAINER, PISTON PIN 20
9
0C2981C
1
ROCKER, COVER NO OIL FILL
10
045761A
4
STUD M8-1.25/10MM X 30 G5 ZINC
11
0C5848
2
PISTON, HC
12
021533
2
SET, PISTON RING 90MM
13
071980
2
PIN PISTON D20
14
0D4041
1
ASSEMBLY, CAMSHAFT & GEAR
15
0C2983
1
SHAFT, GOVERNOR
16A
0C2985A
2
ROLLER BEARING, GOVERNOR PLATE
16B
0C2985B
1
ROLLER BEARING, GOVERNOR
17
0D4042
1
ASSEMBLY,GOVERNOR GEAR
18
0A7811
1
SPOOL, GOVERNOR MACHINED
19
0C2977
1
GASKET, CRANK CASE
20
0C5943
1
SEAL, OIL PASSAGE
21
0D4040E
1
ASSEMBLY, CRANKSHAFT HORIZONTAL
DIRECT DRIVE (GT-990)
21
0D4122E
1
ASSEMBLY, CRANKSHAFT HORIZONTAL
DIRECT DRIVE (GT-760)
22
0C2969
2
ASSEMBLY, CONNECTING ROD (GT-990)
0D3961
2
ASSEMBLY, CONNECTING ROD (GT-760)
23
0D2157
2
SCREW SHC M6-1.0 X 50 G8.8
24
0C5313
1
SCREEN, OIL PICKUP
25
0D4123
1
ASSEMBLY, OIL PUMP
26
078699E
2
SLEEVE, SEAMED DOWEL 10 DIA.
27
0C3011
2
COVER, OIL RELIEF
28
0C3009
2
SPRING, OIL RELIEF
29
0C3010
2
BALL, 1/2D OIL RELIEF
30
093873
2
WASHER, LOCK RIB M6
31
0C5315
1
GEROTOR, OUTER
32
0C5998
1
CLAMP, OIL TUBE
33
0D1667
1
ARM, GOVERNOR
34
0C2991
2
E-RING, GOVERNOR ARM
ITEM PART NO. QTY. DESCRIPTION
35
0C2988
1
THRUST WASHER, GOVERNOR
36
0C2992
1
BUSHING, GOVERNOR LOWER
37
0C3971C
1
ASSEMBLY, DIPSTICK WITH HANDLE
38
0C5305
1
TUBE, DIPSTICK
39
0C3027
1
O-RING, OIL CLR 3/8 X 1/2
40
0C3007
1
SEAL, 42 I.D. CRANKSHAFT
41
0C5731
1
ASSEMBLY, HOUSING COVER WITH
SLEEVE
42
0C3006
9
SCREW, HHFC M10-1.5 X 55
43
0C8566
8
SCREW HHFC M6-1.0 X 20
44
093064
1
ASSEMBLY, OIL FILL CAP
45
0C8808
2
HOOK, LIFTING
46
0D2723B
1
ROCKER, COVER WITH OIL FILL
47
0C2979
2
GASKET, VALVE COVER
48
086515
8
KEEPER, VALVE SPRING
49
0D2274
4
RETAINER, VALVE SPRING
50
0D3867
4
SPRING, VALVE
51
078672
2
SEAL, VALVE STEM D7
52
0C5371
4
WASHER, VALVE SPRING
53
0D5326
4
NUT, JAM ROCKER ARM
54
0D6023
4
STUD, ROCKER ARM M8-1.0 x 57mm
55
0D5354
4
PIVOT, ROCKER ARM
56
0D5313
4
ROCKER ARM
57
0D6024
2
PLATE, PUSH ROD GUIDE
58
0C2976
12
SCREW HHFC M8-1.25 X 65
59
086516
2
VALVE, EXHAUST
60
0C2229
2
VALVE, INTAKE
61
083897
4
TAPPET, SOLID
62
0D8067B
1
ASSEMBLY, HEAD #2 G&S
63
088396D
4
PUSHROD, 144.6
64
0C2978
2
GASKET, HEAD
65
043790A
1
BARBED ELBOW 90 3/8NPT X 3/8
L0CKTITE
66
0D4010
1
KIT GASKET
67
0D4011
1
KIT PISTON & RINGS
68
0D4012
1
KIT BREATHER ASSEMBLY
69
0D4013
1
KIT GOVERNOR ASSEMBLY
70
0D8675A
1
KIT HEAD ASSEMBLY CYLINDER 1
71
0D8675B
1
KIT HEAD ASSEMBLY CYLINDER 2
72
0D4015
1
KIT OIL RELIEF
Section 7 — Exploded Views and Parts Lists
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
GT-990 Engine – Drawing No. 0D8674-C Part 1