A commercial driver is checking the power steering system components and drive belts located within the engine compartment. Which observation indicates an acceptable condition according to standard commercial vehicle inspection guidelines?
- AThe steering gear box has missing mounting bolts to allow intentional flex during steering maneuvers.
- The power steering drive belt deflects 1/2 inch when pressed firmly at the center of the belt span.Cevap
- CThe power steering assembly pushrod extends more than 2 inches before engaging the hydraulic assist.
- DThe radiator cap is removed while the engine is at operating temperature to check coolant circulation.
Cevap
The power steering drive belt deflecting 1/2 inch at the center of the span is an acceptable condition.
Commercial vehicle pre-trip guidelines state that drive belts (such as alternator, water pump, and power steering pump belts) must be snug and in good condition, permitting no more than 3/4 inch (about 1.9 cm) of deflection when pressed at the center of the span. A deflection of 1/2 inch is well within the acceptable safe limit.
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Anahtar Kavram
Engine compartment drive belt tension and component security standards
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