

The Sullair Air-Cooled Compressor 10B 25HP-251332-004 AC is a reliable industrial compressor designed for efficient air delivery. Known for its durability and performance, this model is ideal for various applications requiring compressed air solutions. Ensure optimal operation with regular maintenance and quality spare parts.
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Tensioning Guide
Belt-diagram
C-120 pulleys
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Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Drive Motor
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Sullair Air-Cooled Compressor 10B 25HP-251332-004 AC
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Compressor Inlet Valve Maintenance
Replace the piston spring, piston o-ring seal ring, and check valve spring of the onlet valve (P/N 250025-654). Use repair kit number 250019-451
Remove all piping connected to inlet valve assembly
Remove the four (4) capscrews and lockwashers that attach the valve body to the compressor unit and remove from compressor
Remove snap ring and Teflon o --- ring inside valve body
Lift and remove check valve assembly and spring from valve body
Remove piston cap, piston spring, and piston
Clean valve body as needed, making sure all air passages are clear and old seal ring is removed from the inlet body flange
Reassemble the inlet valve using the new parts supplied in the repair kit
Install o --- ring on piston, lightly oil piston, and install in valve body
6 Monthly Air Filter Element Inspection
Place a bright light inside the element to inspect for damage or leak holes. Concentrated light will shine through the element and disclose any holes
Inspect all gaskets and gasket contact surfaces of the housing. Should faulty gaskets be evident, correct the condition immediately
If the clean element is to be stored for later use, it must be stored in a clean container
After the element has been installed, inspect and tighten all air inlet connections prior to resuming operation
Sign off on the air filter element inspection
1 Daily Compressor Maintenance
Check the fluid level in the sump. Should the level be low, simply add the necessary amount
Observe the gauges and indicators to be sure they monitor the correct readings for that particular phase of operation
Check on the overall compressor and gauges to assure that the compressor is running properly after it has warmed up
Clean the return line strainer after the initial 50 hours of operation
Clean the return line orifice after the initial 50 hours of operation
Sign off on the daily compressor maintenance
Compressor Coil Maintenance
Warning: This maintenance check requires trained personnel with PPE!
Enter the part number of the coil
Retaining clip removed?
Yoke containing the coil and sleeves slipped off the solenoid base sub-assembly?
Reassembled in reverse order of disassembly?
Sign off on the compressor coil maintenance
Compressor Solenoid Valve Maintenance
WARNING: Turn off all power, relieve line pressure, and disconnect coil lead wires to the valve before making repairs
It is not necessary to remove the valve from the pipe line for repairs
Clean solenoid valve (P/N 250017-993)
Remove the retaining cap and slip the entire solenoid off the solenoid base subassembly
Unscrew the solenoid base assembly. Remove the core assembly, core spring and body gasket
Remove the end cap, body gasket, disc spring, and disc holder assembly
Replace worn or damaged parts with repair kit number 250018-970
Reassemble in reverse order of disassembly
Sign off on the compressor solenoid valve maintenance
Access the parts list for your equipment in MaintainX.
Repair Kit
241772
Replacement Gasket
040517
Repair Kit
250034–112
Solenoid Valve
250017–993
Thermal Valve
250025–620
Repair Kit
241772
Replacement Gasket
040517
Repair Kit
250034–112
Solenoid Valve
250017–993
Thermal Valve
250025–620
Repair Kit
241772
Replacement Gasket
040517
Repair Kit
250034–112
Solenoid Valve
250017–993
Thermal Valve
250025–620
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