COVER 2920162 - Caterpillar

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Table 1
Required Parts
Tool Part Number Description Qty
A(1) 198-4234 Digital Indicator 1
B(1) 198-4236 Adapter Cable As 1
C(1) 198-4237 Adapter Cable As 2
(1) Tool (A), Tool (B), and Tool (C) are all part of the 198-4240 Digital Pressure Indicator Gp.Note: Park the machine on soft dirt or place tires under the drums. Alternately, the machine can be lifted onto jacks, and the machine drums may be supported by air bags. The weight of the machine is approximately 10510 kg (2370 lb).
Drive the machine to a smooth, horizontal surface.
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Move propel lever (1) to the NEUTRAL position.
Move parking brake switch (2) to the ON position.
Place the engine in ECO mode or low idle.
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Select "Main Menu" (3) on the machine display.
Select "Machine Setup" (4).
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Select "Engine Spd Sw" (5).
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Select "ECO" (6) or "Low" (7).
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Move engine start switch (8) to the OFF position.
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Unhook latch (9) and open right engine compartment door (10).
Assemble the tooling. Connect Tool (C) to Tool (B).
Connect Tool (A) to Tool (B).
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Illustration 8 g06153017
Remove cap and connect Tool (C) to charge pressure tap (11).
Move engine start switch (8) to the START position. Release the switch when the engine starts.
Place the engine in high idle.
Operate the hydraulic system until the oil temperature reaches the test temperature of 45 °C (113 °F).
Record pressure on Tool (A). The pressure should be 3000 300 kPa (435 43 psi).
Place the engine in ECO mode or in low idle.
Move engine start switch (8) to the OFF position.
If the pressure is outside the specified range, go to Step 17. If the pressure is inside the specified range, go to Step 20.
Illustration 9 g06153021
Loosen locknut (12).
If the pressure is too low, Turn adjustment screw (13) clockwise. If pressure is too high, turn the adjustment screw counter-clockwise.
Hold adjustment screw (13) in place and tighten locknut (12). Go to Step 10. Tighten locknut to a torque of 12 N m (9 lb ft).
Remove the tooling.
Close the right engine compartment door.