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I have a pc78 excavator and the boom will not come down.

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Hi. i have a pc78...
Hi. i have a pc78 excavator and the boom will not come down. The bucket ,swing and dipper works. can you help?
Submitted: 6 years ago.Category: Construction and Road Equipment
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Answered in 3 hours by:
4/30/2016
Mechanic: Dan, Technician replied 6 years ago
Dan
Dan, Technician
Category: Construction and Road Equipment
Satisfied Customers: 14,654
Experience: 17+ yrs. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate.
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Hi my name is***** will be glad to help. What is the complete model number with dashes and serial number of your machine?
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Mechanic: Dan, Technician replied 6 years ago
Hi, Did you get this resolved?
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