ENGINE AR 4N2247 - Caterpillar

Table 1
Test Points    
Position on Panel    735, 740 and 740 EJECTOR    Color Code    
A     Unused        
B     Secondary Steering System     Yellow    
C     Front Brake Pressure     Orange    
D     Piston Pump
Brake     Red    
E     Output Transfer Gear and Differentials     Light Green    
F     Steering
Load Sensing Pressure     Dark Green    
G     Steering System     Light Blue    
H     Fan Drive System     Dark Blue    
J     Hoist (Ejector) System
Pilot Pressure     Gray    
K     Center Brake Pressure     White    Refer to Illustration 3 and Table 1 for the purpose of the test points and positions of the test points on the Machine.
Illustration 3 g01243227
(B) (Color Code: Yellow) Test point for the Secondary Steering System (C) (Color Code: Orange) Test point for the Front Brake Pressure (D) (Color Code: Red) Test point for the Piston Pump (Brake) (E) (Color Code: Light Green) Test point for the Output Transfer Gear and Differentials (F) (Color Code: Dark Green) Test point for the Load Sensing Pressure for the Steering (G) (Color Code: Light Blue) Test point for the Steering System (H) (Color Code: Dark Blue) Test point for the Fan Drive System (J) (Color Code: Gray) Test point for the Pilot Pressure for the Hoist (Ejector) System (K) (Color Code: White) Test point for the Center Brake PressureLocations of Test Points for 735, 740 and 740 EJECTOR
Illustration 4 g01243566
The cab raised for photographic clarity. The test point is above the hoist control valve.Test point for the Hoist (Ejector) System
Illustration 5 g01243567
The underside of the cab and on the right hand side next to the hydraulic tank (B) (Color Code: Yellow) Test point for the Secondary Steering System (G) (Color Code: Light Blue) Test point for the Steering System
Illustration 6 g01243568
The underside of the cab on the right hand sideThe cover on the right hand side of the cab is removed for photographic clarity. (C) (Color Code: Orange) Test point for the Front Brake Pressure (K) (Color Code: White) Test point for the Center Brake Pressure
Illustration 7 g01243570
View from the left hand side steering cylinder and looking at the area of the rear of the transmission (D) (Color Code: Red) Test point for the Piston Pump (Brake) (J) (Color Code: Gray) Test point for the Pilot Pressure for the Hoist (Ejector) System
Illustration 8 g01243576
View from the underside of the machine and looking at the area of the rear of the transmission (D) (Color Code: Red) Test point for the Piston Pump (Brake) (J) (Color Code: Gray) Test point for the Pilot Pressure for the Hoist (Ejector) System
Illustration 9 g01243603
View from the underside of the machine in the area at the rear of the output transfer gear (E) (Color Code: Light Green) Test point for the Output Transfer Gear and Differentials
Illustration 10 g01243606
The underside of the cab on the right hand side next to the hydraulic tank (F) (Color Code: Dark Green) Test point for the Load Sensing Pressure for the