Generac Power Systems 940-2 Portable Generator User Manual


 
Section 2.1
GENERAL INFORMATION
ITEM QTY DESCRIPTION
1 1 Connecting Rod
2 1 Piston Pin
3 1 Piston Ring Set (STD)
4 2 1/4" Pipe Plug
5 1 Breather Cover
6 1 Piston
7 2 Piston Pin Retainer
8 1 Crankshaft & Gear Assembly
10 1 Oil Breather Separator
11 1 Crankcase Assembly
12 1 Sleeve Bearing
13 2 Crankshaft Oil Seal
14 1 Breather Baffle Cup
15 4 M6 Screw
16 4 Lockwasher
17 3 Dowel Sleeve
18 1 Camshaft Assembly
19 1 Crank Case Flange Gasket
21 1 Cylinder Head Gasket
22 1 Oil Pressure Spring Retainer
23 1 Oil Pressure Spring
24 1 Oil Pressure Relief Valve Ball
25 1 Thread Forming Bolt
26 4 M6 Screw & Lockwasher
27 1 Oil Filter Adapter
28 6 M8-1.25 Capscrew
29 1 Oil Pressure Switch
30 2 Valve Spring Retainer
NOTE 2:- Use a Champion RC12YC (or equivalent)
spark plug with gap set to 0.030 inch (0.76mm).
ITEM QTY DESCRIPTION
31 2 valve Spring
32 1 Dowel Pin
33 1 Inner Oil Pump Rotor
34 2 Connecting Rod Bolt
36 1 Cylinder Head (see NOTE 1)
37 1 Exhaust Valve
38 1 Intake Valve
39 2 Push Rod
40 2 Tappet
41 1 Oil Pickup Screen
42 1 Rocker Cover Gasket
43 2 Pivot Ball Stud
44 2 Rocker Arm
45 2 Rocker Arm Nut
46 1 Push Rod Guide Plate
47 5 Head Bolt
48 1 Rocker Cover
49 2 Breather Gasket
50 2 Bolt
51 1 Outer Oil Pump Rotor
52 1 Oil Sump Assembly
53 2 Valve Spring Wear Washer
54 1 Intake Valve Seal
55 1 Oil Temperature Switch
56 2 M3 Screw
57 2 M3 Lockwasher
58 1 Spark Plug (see NOTE 2)
59 1 Oil Filter Adapter Gasket
60 1 1/4" NPT Pipe Plug
NOTE 1:- Item 36 Includes valve seats and
guides.
Page 2.1-4
EXPLODED VIEW OF ENGINE LONG BLOCK