The type of steering used on crawler machines that works by using a hydraulic steering drive motors is the
What are two types of brake steering systems are used for crawler tractors?
One advantage of wet clutches is that
Which is the most common pump-motor combination used on crawler machines with hydrostatic drive?
To make a right turn with a crawler tractor using differential steering moving forward, the steering handle should be
Most crawlers with wet clutches share a common oil supply with the
In a hydro-static pump or motor the swash plate rotates and the pistons are stationary.
Testing the operation of hydraulic steering controls must be done with
When overhauling a multi-disc clutch assembly, the service life left in the discs can be determined by measuring the clutch pack stacked height.
Low oil level in the clutch indicates a leak in the clutch system.
The assembly that supports a tracked machine is called
The difference between the undercarriage of a tracked loader and a dozer is that
Mechanic A says that track frames may be made of box or channel steel. Mechanic B says that some track frames are kept in alignment with diagonal braces. Who is right?
Mechanic A says that the hydraulic track adjuster uses hydraulic fluid from the transmission for operation. Mechanic B says that front idlers are attached directly to the final drive unit. Who is right?
Drive discs and bolt on segments are preferred over cast spoke sprockets because
If a track chain uses two conical washers installed back-to-back in the link counter-bore they are called sealed chain.
The best shoe for use in soft ground areas where traction is important would be
To control the movement of the major bogies, the suspension system uses
Rubber pads are used in the bogie suspension equalizer bar to
One result of a loose track is
With a hydraulic track adjuster, to tighten the track you would
If the track is worn, you can remove it without venting the adjuster as long as the adjuster is extended to its maximum reach.
Mechanic A says that pin and bushing life can be extended by turning the pins and bushings. Mechanic B says that once an idler roller is worn it must be replaced and sent for rebuild. Who is right?
Mechanic A says that master pins must be removed using a hydraulic press. Mechanic B says that if you can''t elevate the machine, you cannot remove the track. Who is right?
Lubricated tracks must have the pins and bushings turned at regular intervals.
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