Table 4. Hydraulic System Troubleshooting Procedures.

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 4. Hydraulic System Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Check hydraulic tank for Add oil as required (WP 0165

1. Irregular Cylinder Movement (Not Smooth).

correct oil level.

00).

2. Check hydraulic lines, hoses 1. Tighten loose fittings.

and fittings for signs of leaks 2. Replace damaged lines, hoses

and/or damage.

and fittings (WP 0160 00).

Check oil level in hydraulic tank. 1. Add oil as required (WP 0165

Hydraulic Pump Noisy.

00).

2. Remove air from pump lines.

3. Repair or replace pump

assembly (WP 00149 and WP

0148 00).

1. Check oil level in hydraulic Add oil as required (WP 0163

Hydraulic Pump Overheats.

tank.

00).

2. Check hydraulic lines, hoses 1. Tighten loose fittings.

and fittings for signs of leaks 2. Replace damaged lines, hoses

and/or damage.

and fittings (WP 0160 00).

3. Check with tractor operator to If seal damage is a possibility,

determine if hydraulic system repair or replace pump assembly

(blade and/or ripper circuits) (WP 0149 00 and WP 0148 00).

was operated with a short,

rapid duty cycle prior to pump

overheating. This can cause

damage to seals in pump.

1. Check for obstruction that Remove obstruction.

Slow Cylinder Movement.

could

hinder

cylinder

movement.

2. Check oil level in hydraulic Add oil as required (WP 0163

tank.

00).

3. Check hydraulic lines, hoses 1. Tighten loose fittings.

and fittings for signs of leaks 2. Replace damaged lines, hoses

and/or damage.

and fittings (WP 0160 00).

4. Check linkages and control Adjust and/or replace blade

valves for free movement and control linkage (WP 0152 00),

full travel.

ripper control linkage (WP 0153

00) or replace main (bulldozer)

control valve or ripper control

valve (WP 0151 00).

5. Check for low relief valve Adjust, repair or replace affected

setting and low hydraulic component as directed by test

pump

output.

Perform results (WP 0167 00).

Hydraulic System Tests (WP

0167 00).

0006 00-18