3028578 ENGINE AR-PRIMARY Caterpillar parts
C6.6
Rating:
Alternative (cross code) number:
CA3028578
302-8578
3028578
CA3028578
302-8578
3028578
INDUSTRIAL ENGINE,
Related part:
3028578
BLOCK GP-LONG
20R2697
R
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WD14X20129 Appliance Arm Hinge Asm PS8756289 3028578
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Compatible equipment models: 3028578:
Information:
Required Tools
Illustration 1 g02571852
Tooling (A) 198-4240 Digital Pressure Indicator Gp
Illustration 2 g03829681
Tooling group (D)
Table 2
Required Tools
Tool Item Qty Part Number Description
A 198-4240 Digital Pressure Indicator Gp
A1 1 198-4234 Indicator
A2 1 198-4237 Pressure Sensor
3447 kPa (500 psi)
A3 1 198-4239 Pressure Sensor
41368 kPa (6000 psi)
A4 2 198-4236 Extension Cable
D D1 1 6V-7788 Flow Meter
5 to 60 L/min (2 to 15 US gpm)
D2 2 011-5224 Reducer Bushing
D3 1 124-2111 Permanent Coupling
D4 3 ft 122-6867 Bulk Hydraulic Hose
D5 1 124-2140 Permanent Coupling
D6 2 8C-6867 Connector
D7 3 4J-5477 O-Ring Seal
F 1 311-1362 Vacuum Cap
G 1 421-2325 Blocker Pin Machine Preparation
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Position the machine on level ground.
Illustration 3 g03267696
Sprocket (left travel)
(G) Blocker pin
(1) Sprocket
Place blocker pin (G) in sprocket (1) to block forward left travel. Refer to Illustration 3.
Stop the engine.
Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "Hydraulic System Pressure - Release".
Attach 311-1362 Vacuum Cap onto the hydraulic tank. Attach an air supply hose onto the assembly. Apply 276 to 414 kPa (40 to 60 psi). This procedure will pull a vacuum on the hydraulic system.
Illustration 4 g03829732
Flow Meter Tool Layout
Tooling (D)
( 2) Case drain hose
(3) Connector
(4) Travel motor
Install the following tools in accordance with the flow meter tool layout. Refer to Illustration 4.
Disconnect case drain hose (2) from connector (3).
Connect the flow meter assembly (D) between connector (3) and case drain hose (2).Note: Correct orientation of the flow meter is necessary. The oil flows from travel motor (4) to case drain hose (2).
Remove 311-1362 Vacuum Cap and install the filler plug for the hydraulic tank.Test Procedure
Start the engine.
Place the machine controls at the following settings: engine speed dial "High Idle". Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Move the left travel lever to full FORWARD position and check the flow of oil through the flow meter.
Remove blocker pin (G) from sprocket (1).
Move the left travel lever to reposition the travel motor.
Place blocker pin (G) in sprocket (1) to block forward left travel.
Repeat Steps 4 through 7 to obtain three measurements of case drain oil.The following values specify the maximum acceptable flow of case drain oil when the pump stall pressure is set at 24800 350 kPa (3597 51 psi).Specification ... 5 L/min (1.3 US gpm)
Illustration 1 g02571852
Tooling (A) 198-4240 Digital Pressure Indicator Gp
Illustration 2 g03829681
Tooling group (D)
Table 2
Required Tools
Tool Item Qty Part Number Description
A 198-4240 Digital Pressure Indicator Gp
A1 1 198-4234 Indicator
A2 1 198-4237 Pressure Sensor
3447 kPa (500 psi)
A3 1 198-4239 Pressure Sensor
41368 kPa (6000 psi)
A4 2 198-4236 Extension Cable
D D1 1 6V-7788 Flow Meter
5 to 60 L/min (2 to 15 US gpm)
D2 2 011-5224 Reducer Bushing
D3 1 124-2111 Permanent Coupling
D4 3 ft 122-6867 Bulk Hydraulic Hose
D5 1 124-2140 Permanent Coupling
D6 2 8C-6867 Connector
D7 3 4J-5477 O-Ring Seal
F 1 311-1362 Vacuum Cap
G 1 421-2325 Blocker Pin Machine Preparation
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Position the machine on level ground.
Illustration 3 g03267696
Sprocket (left travel)
(G) Blocker pin
(1) Sprocket
Place blocker pin (G) in sprocket (1) to block forward left travel. Refer to Illustration 3.
Stop the engine.
Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "Hydraulic System Pressure - Release".
Attach 311-1362 Vacuum Cap onto the hydraulic tank. Attach an air supply hose onto the assembly. Apply 276 to 414 kPa (40 to 60 psi). This procedure will pull a vacuum on the hydraulic system.
Illustration 4 g03829732
Flow Meter Tool Layout
Tooling (D)
( 2) Case drain hose
(3) Connector
(4) Travel motor
Install the following tools in accordance with the flow meter tool layout. Refer to Illustration 4.
Disconnect case drain hose (2) from connector (3).
Connect the flow meter assembly (D) between connector (3) and case drain hose (2).Note: Correct orientation of the flow meter is necessary. The oil flows from travel motor (4) to case drain hose (2).
Remove 311-1362 Vacuum Cap and install the filler plug for the hydraulic tank.Test Procedure
Start the engine.
Place the machine controls at the following settings: engine speed dial "High Idle". Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Move the left travel lever to full FORWARD position and check the flow of oil through the flow meter.
Remove blocker pin (G) from sprocket (1).
Move the left travel lever to reposition the travel motor.
Place blocker pin (G) in sprocket (1) to block forward left travel.
Repeat Steps 4 through 7 to obtain three measurements of case drain oil.The following values specify the maximum acceptable flow of case drain oil when the pump stall pressure is set at 24800 350 kPa (3597 51 psi).Specification ... 5 L/min (1.3 US gpm)