Maintenance Schedule - Rolair FC250090L Manual De Instrucciones

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Recommendation

Check Oil Level

Drain Moisture from Tank(s)

Inspect Air Filter(s)

Check for Unusual Noise or Vibration

Inspect Belt Guard

Check for Air or Oil Leaks

Clean Exterior of Air Compressor

Check Condition of Vibration Pads

Tighten/Retorque Bolts

Check Belt Tension

Check Operation of Safety Valve

Change Compressor Oil

Clean/Change Air Filter

Perform Pump Up Time Test

Check Operation of System Controls

Check Air Tanks for Dents/Leaks

Pump Type

Head Bolts

Cylinder Bolts

Bearing-Carrier Bolts

Connecting-Rod Bolts

Flywheel

Determine pump type using suffix of Model number (Example: 4090HK17 uses K17 pump)

RESETTING DIFFERENTIAL (2)

Make sure the top toggle lever is positioned as shown. (See Figure 3). Loosen

locknut (1) by turning counterclockwise several full turns. Gently turn differential setting (2)

clockwise only until the internal rod makes contact with the steel ball inside. After making

contact, turn differential (2) counterclockwise 1/4 turn. Secure position by tightening locknut

(1) and proceed to top end setting.

TOP-END SETTING (4)

Loosen locknut (3) by turning counterclockwise several full turns. (4) is the top end

setting. Turning (4) clockwise will increase the top end pressure setting. Turning

counterclockwise will decrease the top end pressure setting. Begin at a low setting by

turning counterclockwise one full turn. Proceed to fine tuning instructions.

FINE-TUNING INSTRUCTIONS

Start engine/motor and observe tank pressure gauge. As tank pressure approaches

100-130 P.S.I.G., the pilot valve should begin unloading at felt muffler and cause gas engine

to slow down to idle speed. If pilot valve does not unload as tank pressure approaches 130

P.S.I.G., slowly turn top end setting (4) counterclockwise until pilot starts to unload

prematurely (at 100 P.S.I.G.), turn top end setting (4) clockwise in 1/4 turn increments, tap

down on the internal rod at toggle attachment and repeat until desired top end setting is

reached. If pilot valve begins to rifle (sputter), fine tune differential setting (2) 1/16 turn in

either direction until rifling stops. After fine tuning, secure setting by turning locknuts (1 & 3)

clockwise until tight. Hold setting (2 & 4) in place while turning locknuts to secure.

MAINTENANCE