Cat 7MFBHM-48DD Feeder Breaker Operation & Maintenance Manual (1)

BI000970

Replacement of wear parts _________________________________________ Conveyor chain The conveyor chain (Fig. 83) is made up of one basic chain assembly which repeats sequentially along the entire chain loop. As soon as any component of the conveyor chain is worn the component or complete conveyor chain assembly must be replaced. Each conveyor chain section consists of the following main components: ■

6 link chain section

■

flight bar

■

spiral pin

Fig. 83: Conveyor chain main components

6 link chain section

Spiral pin

Flight bar

_________________________________________________________________ 5.108 Bucyrus – Model 7MFBHM-48DD Feeder Breaker

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Cat 7MFBHM-48DD Feeder Breaker Operation & Maintenance Manual (1)

Articles inside

Lift cylinder ...................................................................5

Tailpiece tilt cylinder.....................................................5

Tilt cylinder ...................................................................5

Foot cylinder.................................................................5

Breaker bit removal ......................................................5

Crawler track ...............................................................5

Tailpiece installation.....................................................5

Conveyor power unit.....................................................5

Tail shaft ......................................................................5

Crawler assembly ........................................................5

Dual relief valve manifold adjustment............................ 5

Flow control valve adjustment....................................... 5

Head shaft sprockets .................................................... 5

Hydrostatic pump charge pressure adjustment .............5

Secondary valve bank adjustment ................................ 5

Inspection of the feeder .....................................................5

Every 6 months .............................................................5

Under speed sensor calibration .....................................5

Every 3 months .............................................................5

Every 2500 hours...........................................................5

Head shaft .....................................................................5

Major hydraulic components ....................................5

Breaker and breaker power unit assembly ....................5

Conveyor.............................................................................5

Infrared pump motor controls..............................................5

Starter enclosure............................................................5

Control features..............................................................5

Electrical system.................................................................5

Shutdown procedure...........................................................5

“TRAM ONLY” mode starting procedure.............................5

Starter enclosure............................................................5