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RADIATOR CORE 0878423 - Caterpillar



0878423 RADIATOR CORE Caterpillar parts E240C, EL240B RADIATOR
Rating:
76
Alternative (cross code) number:
CA0878423
087-8423
0878423
Caterpillar 0878423 RADIATOR CORE
Weight: 72 pounds 32 kg.

Buy RADIATOR CORE 0878423 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR,

Compatible equipment models: 0878423:

EXCAVATOR  E240C   EL240B   Caterpillar
Number on catalog scheme: 6
  
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Information:

Specification
Table 1
"Relief Valve (Swing) - Test and Adjust"
Item Machine Settings Specification Actual
Right Swing Speed Dial "10"
AEC switch OFF 31400 1000 kPa (4554 145 psi)
Left Swing Speed Dial "10"
AEC switch OFF 31400 1000 kPa (4554 145 psi) Introduction
Two relief valves are located in the head of the swing motor. These relief valves limit the pressure in the left and right swing circuits to the swing relief valve settings. The following procedure will determine if the swing relief valves are out of adjustment.Required Tools
Illustration 1 g02571852
Tooling (A) 198-4240 Digital Pressure Indicator Gp
Table 2
Tool Item Qty Part Number Description
A 198-4240 Digital Pressure Indicator Gp
A1 1 198-4234 Indicator
A2 1 198-4239 Pressure Sensor 41,368 kPa (6,000 psi)
A3 1 198-4236 Extension Cable Machine Preparation
Position the machine on level ground and stop the engine.
Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "System Pressure - Release".
Illustration 2 g02072833
Pump compartment
(1) Pressure tap (delivery pressure for drive pump)
(2) Pressure tap (delivery pressure for idler pump)
(3) Pressure tap (power shift pressure)
Attach a 41,368 kPa (6,000 psi) pressure sensor to pressure tap (2).
Illustration 3 g02073273
Pilot manifold
(4) Solenoid valve for swing parking brake
(5) Connector
Disconnect connector (5) from the solenoid valve for swing parking brake (4). Test Procedure
Start the engine.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Place the machine controls at the following settings: engine speed dial "10" and AEC switch OFF. Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Place the hydraulic activation control lever in the UNLOCKED position.
Move the swing joystick slowly and ensure that the swing parking brake is operating properly.
Illustration 4 g02074640
Swing motor
(6) Adjustment plug
(7) Locknut
(8) Relief valve (right swing)
(9) Adjustment plug
(10) Locknut
(11) Relief valve (left swing)
Slowly move the swing joystick for a full SWING RIGHT operation and check the pressure for relief valve (8) at pressure tap (2). Refer to Table 1 for swing relief pressure.
Return the joystick to the NEUTRAL position.
Slowly move the swing joystick for a full SWING LEFT operation and check the pressure for relief valve (11) at pressure tap (2). Refer to Table 1 for swing relief pressure.
Return the joystick to the NEUTRAL position. Adjustment Procedure
To adjust the swing relief valve, loosen the locknut and turn the adjustment plug until the pressure reading at pressure tap (2) is within the specification. Note: Turning the adjustment plug clockwise increases the pressure. Turning the adjustment plug counterclockwise decreases the pressure.Note: Always make final pressure adjustments on pressure rise.
Tighten the locknut to a torque of 117 10 N m (85 7 lb ft).

Caterpillar parts catalog:

Caterpillar parts catalog
E240B, EL240B TRACK-TYPE EXCAVATORS 5WG00001-UP (MACHINE) POWERED BY 3116 ENGINE
E240C, EL240C TRACK-TYPE EXCAVATORS 2RL00001-UP (MACHINE) POWERED BY 3116 ENGINE


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