PUMP GP-FUEL INJECTION 4217744 - Caterpillar

Table 1
Hoist Test
Machine Model Today's Date
Machine Serial Number Machine Hours
ECM Flash File Flash File
Date
Table 2
Visual Checks
Oil level Oil Viscosity
Air in Oil Oil Filter
Examination
Water in Oil
Table 3
Test Specification Actual Value
Hoist
Oil Temperature > 65 °C (150 °F)
< 121 °C (250 °F)
Drift For The Hoist Cylinders 6.35 mm (0.25 inch) per specified time(1)
Raise
Hoist Time 25 to 28 Seconds 1. ____________________________________
2. ____________________________________
3. ____________________________________
Average
Lower
Hoist Time 18 to 20 Seconds 1. ____________________________________
2. ____________________________________
3. ____________________________________
Average
Float
Hoist Time 18 to 20 Seconds 1. ____________________________________
2. ____________________________________
3. ____________________________________
Average
Pilot Pressure
Tap on top of Chassis/Brake Valve 3790 345 kPa (550 50 psi) Low Idle
High Idle
(1) Refer to the Hydraulic System Testing and Adjusting, "Hoist Cylinder Performance - Test" for the specifications of time.Run the engine at high idle and record the observed data into the charts that are provided.The body position sensor must be disconnected and the body position sensor must be put in the Raise position for the Lower test.
Table 4
Hoist System Pressures
Raise Lower
Second Stage Only
Pump Pressure Tap Specs Actual Spec Actual
Front Hoist Pump Tap
Rear Brake Cooling 23425 345 kPa (3400 50 psi) 6890 kPa (1000 psi)
Rear Hoist Pump Tap
Front Brake Cooling 23425 345 kPa (3400 50 psi) 6890 kPa (1000 psi)
Raise Line Relief Tap
Bottom of hoist valve 23425 345 kPa (3400 50 psi)
Lower Line Relief Tap
Bottom of Hoist valve 6890 kPa (1000 psi)
Table 5
Hoist System Pressures
Hold Float
First Stage Only
Pump Pressure Tap Spec Actual Spec Actual
Front Hoist Pump Tap
Rear Brake Cooling Low Idle
35 to 275 kPa (5 to 40 psi)
High Idle
105 to 930 kPa (15 to 135 psi) Low Idle
35 to 275 kPa (5 to 40 psi)
High Idle
105 to 930 kPa (15 to 135 psi)
Rear Hoist Pump Tap
Front Brake Cooling Low Idle
35 to 275 kPa (5 to 40 psi)
High Idle
105 to 930 kPa (15 to 135 psi) Low Idle
35 to 275 kPa (5 to 40 psi)
High Idle
105 to 930 kPa (15 to 135 psi)