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Lafayette 3606 Engine BDQ4700 - Caterpillar



BDQ4700 Lafayette 3606 Engine Caterpillar parts 3606 Lafayette
Rating:
66
Alternative (cross code) number:
CABDQ4700
BDQ-4700
BDQ4700
Caterpillar BDQ4700 Lafayette 3606 Engine

Buy Lafayette 3606 Engine BDQ4700 Caterpillar genuine, new aftermarket tractor parts with delivery
MARINE ENGINE,

Compatible equipment models: BDQ4700:

MARINE ENGINE  3606   Caterpillar
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Information:

Specification
Table 1
"Power Shift Pressure - Check"
Item Machine Settings Specification Commanded(1) Actual(2)
Power Shift Pressure
(No Load) Speed Dial "10"
AEC switch OFF 3000 250 kPa (435 36 psi)
Power Shift Pressure
(Full Load) Speed Dial "10"
AEC switch OFF 1850 kPa (268 psi)
(1) Value from the monitor
(2) Value from the pressure sensorIntroduction
The power shift pressure check insures the commanded power shift pressure matches the actual power shift pressure during a two pump stall condition.Preliminary Tests
Testing and Adjusting, "Relief Valve (Pilot) - Test and Adjust"
Testing and Adjusting, "Relief Valve (Main) - Test and Adjust"
Testing and Adjusting, "Solenoid Valve (Proportional Reducing) - Calibrate (Power Shift Pressure)"Required Tools
Illustration 1 g02571852
Tooling group "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 1 198-4237 Pressure Sensor 3447 kPa (500 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 g06054477
Pump compartment
(1) Pressure tap (power shift pressure)
Connect a 3447 kPa (500 psi) pressure sensor to pressure tap (1) to monitor power shift pressure.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.
Check the commanded power shift pressure on the monitor. Check the actual power shift pressure at pressure tap (3). Refer to Table 1 for the specification.
Move the joystick for the boom until the boom is at the full BOOM RAISE position (full extension of boom cylinders). Hold the joystick for the boom in this position.
Check the commanded power shift pressure on the monitor. Check the actual power shift pressure at pressure tap (3). Refer to Table 1 for the specification.
Return the joystick to the NEUTRAL position.
If the power shift pressure is not within specification, proceed to Testing and Adjusting, "Main Pump (Flow) - Test (Hydraulic Power)".

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