HYDRAULIC SYSTEM-continued -714670057

TM 5-2420-224-34

Table 2-1. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

HYDRAULIC SYSTEM (CONT)

If hydraulic pump efficiency is more than 75 percent, replace

front loader/forklift relief valve (5) or backhoe/crane relief valve

(6) (TM 5-2420-224-20).

21. HYDRAULIC SYSTEM OIL OVERHEATS.

NOTE

Perform step 1 for front hydraulic system.

Perform step 2 for rear hydraulic system.

Step 1. Check front loader/forklift relief valve pressure.

Perform Malfunction 20, step 1.

Step 2. Check backhoe/crane relief valve pressure.

Perform Malfunction 20, step 2.

22. BACKHOE/CRANE WILL NOT TILT INTO OR OUT OF TRANSPORT POSITION.

Perform Malfunction 20, step 2.

23. HYDRAULIC FUNCTION SLUGGISH.

Perform Malfunction 20, step 3.