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TIRES - WHEELS - SUSPENSION (CONTINUED)
SYMPTOMS
PROBLEM: REMEDY
RIM FAILURE*:
CRACKING
Over inflated tires:
deflate tire to proper PSI.
High speeds:
adjust speed according to road and load conditions.
High speed cornering:
adjust cornering practices.
Over loading:
check rim load rating.
*IN ALL INSTANCES OF RIM FAILURE, REPLACE THE RIM IMMEDIATELY!
BENDING OR WARPING
Curb-hopping or potholes:
adjust turning practices and adjust
speed accordingly with road conditions.
Improper tightening sequence:
follow proper tightening se-
quence.
BROKEN STUDS*
Over tightening:
use correct torque when mounting.
*REPLACE BROKEN STUDS BEFORE USING THE SEMITRAILER!
SEMITRAILER TRACKING
PROBLEMS:
TRACKS TO ONE SIDE
Axle alignment:
re-align axle.
TRACKS TO EITHER SIDE
Broken or bent springs or equalizers:
replace defective parts.
Axles not parallel
: realign axles
AIR RIDE HEIGHT PROBLEMS:
TOO HIGH
Axle to control valve linkage:
readjust linkage.
Height Control Valve internal leak:
repair or replace valve.
TOO LOW
Axle to control valve linkage:
readjust linkage.
Height Control Valve filter plugged:
clean or replace valve.
Pressure Protection Valve filter plugged:
clean or replace valve.
System air pressure low (65 PSI minimum required):
trouble-
shoot air supply.
UNEVEN FROM SIDE TO SIDE
Linkage adjustment:
readjust linkage.
Exhaust port plugged:
clean or replace valve(s).
Height control valve internal leak:
repair or replace valve.
Supply line to one height control valve pinched, restricted, or
plugged:
repair or replace line.
5-3
Summary of Contents for 325C
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Page 44: ...4 8 Figure 4 3 Models 325 326 327 329C Wiring Diagram...
Page 54: ...4 18 Figure 4 13 Checking Axle Alignment Figure 4 14 Examples of Camber...
Page 59: ...4 23 Figure 4 17 Axle and Brake Assembly...
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Page 78: ...NOTES 5 10...
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