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Idiomas disponibles
Idiomas disponibles
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 (con't)
MAINTENANCE SCHEDULE
TORQUE CHART (INCH/LB)
Direct Drive
96
120
N/A
N/A
N/A
PILOT VALVE ADJUSTMENT
Daily
Weekly
X
X
X
X
X
X
X
X
X
X
X
K12
K17
K18
243
243
243
182
182
182
130
130
130
121.5
121.5
121.5
243
382
382
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Monthly
Quarterly
X
X
X
K24
K28
243
347
182
330
130
130
121.5
121.5
382
477
X
X
K30
347
330
130
173.6
477
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