186 OPERA TION

Classification

Rear - mounted O units, for MACK transmissions, are categorized according operation.

Intermittent Service The O unit under for less than seven minutes and then allowed cool before operated

Note: a O unit operated for less than seven minutes but allowed cool down before operating again, considered Continuous Service.

Continuous Service — The O unit operated, under load, for seven minutes more.

Note: Rear - mounted O units operating under the Continuous Service guideline must not run more than 70% the O output - rated torque/horsepower

Side-Mounted O Locations

The first choice location for Side - Mounted either the O openings the main

The second choice, which the compound O opening, restricted those applications specifically requiring multi - speed with reverse capability , such some mechanical winches unique speed multiple O requirements. However , a word caution order when using these locations. Operators should trained understand and follow the proper operating procedures described the cab instructions, and avoid using the neutralizing feature a power disconnect for vehicle propulsion.

Operating Procedures

Specific O operating procedures are described the end applicable transmissions the following