Troubleshooting; Low Oil Pressure; No Oil Pressure; Compressor Will Not Engage - Boss BA440 PISTON Product Manual

Low Oil Pressure

If the oil pressure is too low, check the following:
I. Oil level in machine
II. Loose pipe plug on oil pump cover
III. Worn or defective oil pump
IV. Crack or scratch on oil pump cover

No Oil Pressure

If the oil pressure is nonexistent, check the following:
I. Defective oil pump
II. Blocked oil passage
III. Damaged oil pump drive pin

Compressor Will Not Engage

If the compressor will not start, check the following:
I. No power supplied to compressor
II. Internal circuit breaker tripped
III. Hydraulic system not engaged
IV. Defective pressure switch

Troubleshooting

Compressor Engages But Will Not
Pressurize Tank
If the compressor starts but the tank does not become
pressurized, check the following:
Compressor Does Not Recover
Pressure as Fast as it Should
If the compressor is not recovering pressure at normal
speeds, check the following:

Contacting Boss Industries, LLC

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I. Air leak in plumbing
II. Worn piston rings or valve plates
I. Dirty filter
II. Air leak in plumbing
III. Worn valve plates or piston rings
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