5-2
TIRES - WHEELS - SUS PEN SION
Most tire, wheel, and sus pen sion re lated prob lems are due to ex ces sive loads, ex treme con di tions,
and im proper main te nance. Tire, wheel, and sus pen sion prob lems can be eas ily de tected and solved by
check ing the fol low ing guide. For main te nance pro ce dures see
Sec tions 4-4, 4-6, 4-7, 4-9, 4-10, 4-11 .
SYMPTOM
PROBLEM: REMEDY
VI BRA TIONS WHILE DRIV ING
Im proper tire in fla tion:
in flate to proper pres sure.
Tires cupped or have flat spots:
re place tires.
Wheels bent or loose:
re place or tighten.
Tires in cor rectly mounted:
re mount.
Mud in wheels:
clean wheels.
Tire(s) out of bal ance:
bal ance tires.
Brakes drag ging:
lo cate cause and re pair.
Ob ject(s) stuck be tween du als:
re move ob ject(s).
RAPID TIRE WEAR/DE TE RIO RA TION:
CEN TER TREAD WEAR
Over in fla tion:
de flate to cor rect in fla tion.
SHOUL DER TREAD WEAR -
BOTH SHOUL DERS
Un der in fla tion:
in crease in fla tion to cor rect PSI. Check axle
align ment.
Outer load:
loads are above rated tire ca pac ity. DO NOT load
above rated tire ca pac ity.
SHOUL DER TREAD WEAR - ONE
SHOUL DER
Axle dam age:
straighten or re place axle.
Ax les not par al lel:
check axle align ment.
OVER ALL TREAD WEAR
Over load ing:
check tire load rat ing.
High speeds:
ad just speed ac cord ing to road and load con di -
tions.
In cor rect dual match ing:
prop erly match dual tires.
TIRE FLAT SPOTS
Quick stops:
ad just brak ing prac tices.
Grab bing brakes:
ad just brakes prop erly.
Worn or loose wheel bear ings:
ad just or re place as needed.
Out of bal ance wheels and tire:
bal ance wheels and tires.
Check ABS sys tem func tion.
UN EVEN WEAR
Sus pen sion bush ings worn:
re place bush ings.
Worn or loose wheel bear ings:
ad just or re place as needed.
Out of bal ance wheels and tires:
bal ance wheels and tires.
RIM FAIL URE*:
CRACK ING
Over in flated tires:
de flate tire to proper PSI.
High speeds:
ad just speed ac cord ing to road and load con di -
tions.
High speed cor ner ing:
ad just cor ner ing prac tices.
Over load ing:
check rim load rat ing.
*IN ALL IN STANCES OF RIM FAIL URE, RE PLACE THE RIM IM ME DI ATELY!
5-2
Содержание 318C
Страница 3: ...MODELS 318C BOEING TRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO i...
Страница 8: ......
Страница 12: ......
Страница 32: ...3 20 FIGURE 3 6 STEPS FOR LOADING AND UNLOADING...
Страница 36: ...3 24 FIGURE 3 8 REAR IMPACT GUARD AND ANTILOCK BRAKE SYSTEM...
Страница 52: ...4 14 FIGURE 4 6 CHECKING AXLE ALIGNMENT FIGURE 4 7 EXAMPLES OF CAMBER...
Страница 56: ...4 18 FIGURE 4 10 AXLE AND BRAKE ASSEMBLY...
Страница 64: ...4 26 FIGURE 4 16 MOUNTING TIRES AND WHEELS FIGURE 4 17 STUD TIGHTENING SEQUENCE...
Страница 76: ...5 10 NOTES...
