HOUSING-INLET 2559990 - Caterpillar

Illustration 8 g00759169
Top View of Front Frame (7) Pressure tap for rod end of the tilt cylinder. (8) Pressure tap for head end of the tilt cylinder.
Install the proper gauge from 1U-5481 Pressure Gauge Group to pressure tap (8) .
Hold the tilt control lever in the full TILT BACK position.Note: Do not hold the tilt control lever in the full TILT BACK position for more than 5 seconds.
Record the pressure reading from the test gauge that is connected to pressure tap (8) .If the pressure reading does not agree with the value in Table 4, proceed to Section "Adjusting the Line Relief Valve".If the pressure reading agrees with the value in Table 4, proceed to Step 4.
Remove the 1U-5481 Pressure Gauge Group from pressure tap (8) and install the proper gauge from 1U-5481 Pressure Gauge Group to pressure tap (7) . Pressure tap (7) is the pressure for the rod end of the tilt cylinder.
Hold the tilt control lever in the full DUMP position.Note: Do not hold the tilt control lever in the full DUMP position for more than 5 seconds.
Record the pressure reading from the test gauge that is connected to pressure tap (7) .If the pressure reading does not agree with the value in Table 4, proceed to Section "Adjusting the Line Relief Valve".If the machine is not equipped with a auxiliary function and the pressure reading agrees with the value in Table 4, proceed to Section "Remove Test Equipment".
If the machine is equipped with an auxiliary function, proceed to Section "Testing Line Relief Valves (Auxiliary)".Testing Line Relief Valves (Auxiliary)
Illustration 9 g00759170
Top View of Front Frame (9) Pressure tap for the head end. (10) Pressure tap for the rod end.
Install the proper gauge from 1U-5481 Pressure Gauge Group to pressure tap (10) .
Run the engine at high idle.
Hold the auxiliary control lever in the full FORWARD position. Note: Do not hold the auxiliary control lever in the full FORWARD position for more than 5 seconds.
Record the pressure reading from the test gauge that is connected topressure tap (10) .If the pressure reading does not agree with the value in Table 4, proceed to Section "Adjusting the Line Relief Valve".If the pressure reading agrees with the value in Table 4, proceed to Step 5.
Remove the 1U-5481 Pressure Gauge Group from pressure tap (10) . Install the proper gauge from 1U-5481 Pressure Gauge Group to pressure tap (9) .
Hold the auxiliary control lever in the full REARWARD position.Note: Do not hold the auxiliary control lever in the full REARWARD position for more than 5 seconds.
Record the pressure reading from the test gauge that is connected topressure tap (9) .If the pressure reading does not agree with the value in Table 4, proceed to Section "Adjusting the Line Relief Valve".If the pressure reading agrees with the value in Table 4, proceed to Section "Remove Test Equipment".Adjusting the Line Relief Valve
Note: Position the work tool on the ground or position the lift arms on the stands, before you make adjustments to the