Tire Wear Abnormal or Uneven

93. Tire Wear Abnormal or Uneven

Probable

cause

Possible

remedy

Tighten wheel mounting bolts.

Wheel loose on the hub

Adjust tie rods (par. 164).

Steering tie rod incorrectly adjusted

94. Brake Does Not Hold

Probable

cause

Possible remedy

Normal wear

A d j u s t brakes (par. 76).

Defective brake assembly

Repair or replace brake assembly (par. 167).

95. Hydraulic Pump Fails to Deliver Sufficient Pressure

Probable

cause

Possible

remedy

Defective high pressure relief valve

Repair or replace high pressure relief valve (par. 149).

Fluid pressure gage defective

Replace fluid pressure gage (par. 173).

Repair or replace compensator control (par. 153).

Compensator control defective

Hydraulic pump defective

Replace the pump (par. 153).

96. Hydraulic Pump Fails to Deliver Sufficient Volume

Probable

cause

Possible

remedy

Repair fluid volume control (par. 153).

Fluid volume control defective

Bleed air from the system (par. 70).

Air in the hydraulic system

Check engine with hand speed indicator.

Engine speed too low

Replace

tachometer if defective (par. 137).

Replace or repair fluid flow indicator (par. 146).

Fluid flow indicator defective

High pressure filter clogged

Replace high pressure filter (par. 142).

Fluid bypass valve leaking

Replace fluid bypass valve (par. 150).

97. Hydraulic System Pressure Too High

Probable

cause

Possible

remedy

Replace high pressure filter (par. 142).

High pressure filter

clogged

High pressure relief

valve defective

Repair or replace high pressure relief valve (par. 149).

Repair or replace compensator control (par. 153).

Compensator control

defective

Repair or replace fluid pressure gage (par. 73).

Fluid pressure gage

defective

98. Hydraulic Fluid Temperature Too High

Probable

cause

Possible

remedy

Replace fluid temperature gage (par. 147).

Fluid temperature gage defective

Replace high pressure filter (par. 142).

High pressure filter clogged

Replace the thermoswitch (par. 143).

Thermoswitch defective

Section IV. RADIO INTERFERENCE SUPPRESSION

100. Purpose of Interference Suppression

99. Definition

The tactical importance of effective interfer-

a. Interference. The term "interference" as

ence suppression cannot be stressed too greatly.

used herein applies to electrical disturbances in

Since the electrical disturbances generated by

the radio frequency range which are generated

by the test stand and which may interfere with

the test stand are composed partly of electrical

the proper operation of radio receivers or other

waves in the radio frequency range they must

electronic equipment.

be suppressed for two important reasons. First,

b. Interference Suppression. The term "in-

they will interfere with the proper operation

terference suppression" as used herein applies

of the friendly radio net, and second, they will

to the methods used to eliminate or effectively

enable the enemy to locate the equipment and

reduce radio interference generated by the test

stand.

its associated units.

AGO 5742A