Cessna 188 Series Service Manual page 160

MODEL 188 & T188 SERIES SERVICE MANUAL
11-8.
ENGINE DATA. (Cont.)
Aircraft
188 AGwagon, 188AGwagon A, 188A AGwagon B,
188B AGpickup
MODEL (Continental)
0-470-S
Rated Horsepower at RPM
230 at 2600
Static RPM
2565 RPM (Refer to paragraph 11-10 for Run-up
Model 188B (Controllable Pitch)
details)
(Fixed Pitch)
2250 RPM
Number of Cylinders
6 Horizontally-Opposed
Displacement
470 Cubic Inches
Bore
5.00 Inches
Stroke
4. 00 Inches
Compression Ratio
7.00:1
Magnetos
Slick No. 662
Right Magneto
Fires 22
°
BTC, Lower Left, Upper Right
Left Magneto
Fires 22 BTC, Upper Left, Lower Right
Firing Order
1-6-3-2-5-4
Spark Plugs
18mm (Refer to Continental Service Bulletin M77-10
for factory approved spark plugs and required gap)
Torque
330±30 LB-IN.
Carburetor(Marvel-Schebler)
MA4-5
Fuel
Aviation Gasoline
Grade Minimum
100LL
Alternator
14-Volt, 60-Ampere
28-Volt, 60-Ampere
Starter
12-Volt, Automatic Engagement
24-Volt, Automatic Engagement
Tachometer
Mechanical Drive
Oil Sump Capacity
12 U.S. Quarts
With External Filter
13 U.S. Quarts
Oil Pressure (PSI)
Normal
30-60
Minimum Idling
10
Maximum (Cold Oil Starting)
100
Connection Location
Between No. 2 and No. 4 Cyl.
Oil Temperature
Normal Operating
Within Green Arc
Maximum
Red Line (240°F.)
Probe Location
Below Oil Cooler
Cylinder Head Temperature
Normal Operating
Within Green Arc
Maximum
Red Line 460°F.)
Thermocouple Location
Lower Side of Number 1 Cylinder (1981 Models And ON)
Lower Side of Number 5 Cylinder (thru 1980 Models)
Direction of Crankshaft
Rotation (Viewed from Rear)
Clockwise
Dry Weight-With Accessories
438 LB (Weight is Approximate and Will Vary
With Optional Accessories Installed)
11-4