GASKET, OIL COOLER 7097257C1 - Caterpillar

Illustration 4 g00913302
Parking Brake Switch
Place the parking brake switch in the ON position. The ladder will lower.
Illustration 5 g00913309
Steering Frame Lock (LOCKED Position)
Install the steering frame lock with the two pins. Place blocks in front of the wheels and behind the wheels.
Stop the engine by turning the engine start switch key to the OFF position. Turn the secondary disconnect switch and the battery disconnect switch to the OFF position.
Make sure that all oil pressure is released in the system before you begin any work on the system.When you troubleshoot the hydraulic system, ensure that the pressure settings are adjusted to the correct setting. Refer to Table 1 and Table 2 for the correct pressure settings.
Illustration 6 g00937507
Table 1
Item     Function     Pressure Setting    
1     Maximum Signal Pressure    
21500 kPa (3100 psi)    
2     Parking Brake Release    
2800 kPa (400 psi)    
3     Gate (Vertical)    
4300 kPa (625 psi)    
4     Ladder    
2800 kPa (400 psi)    
5     Differential Lock    
2800 kPa (400 psi)    
6     Steering Signal Pressure    
18500 kPa (2685 psi)    
7     High Pressure Cutoff    
24000 kPa (3480 psi)    
8     Standby Pressure    
5000 kPa (725 psi)    
Table 2
Pressure Settings for the Implement Control Valve    
Item     Function     Solenoid     Port     Pressure Setting    
9     Extendable stick EXTEND     J     JJ    
10000 kPa (1450 psi)    
10     Extendable stick RETRACT     A     AA    
21500 kPa (3100 psi)    
11     Grapple CLOSE     K     KK    
21500 kPa (3100 psi)    
12     Grapple OPEN     B     BB    
12000 kPa (1750 psi)    
13     Grapple Rotate COUNTERCLOCKWISE     L     LL     N/A    
14     Grapple Rotate CLOCKWISE     C     CC     N/A    
15     Stick IN     M     MM     N/A    
16     Stick OUT     D     DD     N/A    
17     Boom UP     N     NN     N/A    
18     Boom DOWN     E     Plugged     N/A    
19     Swing LEFT     O     OO     N/A    
20     Swing RIGHT     F     FF     N/A    
21     Gate BACKWARD (1)
Boom TILT FORWARD (2)     P     PP    
21000 kPa (3050 psi)    
22     Gate FORWARD (1)
Boom TILT BACKWARD (2)     G     GG    
21000 kPa (3050 psi)    
23     Steering LEFT     Q     QQ    
17500 kPa (2550 psi)    
24     Steering RIGHT     H     HH    
17500 kPa (2550 psi)    
( 1 ) The hydraulically controlled gate (horizontal) is an optional attachment.
( 2 ) 574 booms