Table 1. Steering System Troubleshooting Procedures - Continued.

TM 9-2320-303-24-2

Table 1. Steering System Troubleshooting Procedures - Continued.

MALFUNCTION

TEST or INSPECTION

CORRECTIVE ACTION

CAUTION

1. No Recovery - Continued.

To prevent damage to power steering pump during perfor-

mance of step f, do not allow load valve to be closed for more

than 5 seconds.

With engine idling, close If pressure is less than 900 psi

(f)

load valve and read pressure (62.07 bars), Replace power

gage. Pressure must be 900 steering pump (WP 0264 00).

to 1000 psi (62.07 to 68.97

bars).

3. Check for sufficient pump flow

as follows:

(a) Perform steps a through e of

step 2.

WARNING

Maximum flow rate is 7 gpm (26.5 liters/min). Flow rate in

excess of 7 gpm (26.5 liters/min) will damage steering gear and

could cause loss of steering and injury to personnel.

(b) With engine idling, read Replace power steering pump

flow meter. Rate of flow (WP 0264 00).

must be 7 gpm (26.5 liters/

min).

With engine idling, close Replace power steering pump

(c)

load valve until pressure (WP 0264 00).

gage indicates pump relief

and pump relief pressure

drops to 0. Immediately

open load valve. Flow rate

must return to 7 gpm (26.5

liters/min).

(d) Run engine at 2100 rpm and Replace power steering pump

fully close load valve until (WP 0264 00).

pressure gage indicates

pump relief and flow rate

drops to 0. Immediately

open load valve. Flow rate

must return to 7 gpm (26.5

liters/min).

4. Check for defective teflon seals Replace steering gear (WP 0265

in steering control valve.

00).

5. Check for steering gear control Replace steering gear (WP 0265

valve sticking.

00).

NOTE

2. External Oil Leaks from Steering Gear.

External leakage is not acceptable from steering gear.

0226 00-2