HYDRAULIC SYSTEM-continued -714670052

TM 5-2420-224-34

Table 2-1. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

HYDRAULIC SYSTEM (CONT)

Disconnect 0-5000 psi (0-345 bar) pressure gage from fitting in inlet (2) of

control valve (3).

Install cap (1) on fitting in inlet (2) of control valve (3).

Step 2.

Check backhoe/crane relief valve pressure as follows:

NOTE

Make sure front loader/forklift is resting on flat surface and backhoe/crane is in three-point

stance.

b. Remove seven screws (1) and seven washers (2) from cover (3).

NOTE

Step c is for SEE only.

Disconnect wire (4) and set cover (3) aside.

NOTE

Step d is for HMMH only.

d. Disconnect two wires (4) and set cover (3) aside.