Smart Power Systems
®
A. C. MODULAR GENERATOR SYSTEM
Page 52 of 56
Pump Adjustment
WARNING:
The SPS Electronic Controlled Generators have been pre-set at the factory to provide
correct frequency and voltage, no pump adjustments are required. If it appears the
pump need to be adjusted, contact SPS at (231) 832-5525 before proceeding. Damage
to the generator from improper pump adjustments will void the system’s warranty.
To prevent permanent, un-repairable damage to the generator, never adjust the
hydraulic pump so the generator’s output frequency exceeds 65 Hz.
Make adjustments to the hydraulic pump flow control with all electrical loads
disconnected from generator.
Never adjust the p
ump’s pressure control.
Reasons for adjusting the pump:
1.
Generated output frequency is “too low.” Verify output frequency when the vehicle is
in fast idle and oil temperature is below 160
F. If the frequency drops below 59Hz,
the pump output flow may need to be increased.
2.
The hydraulic system is running excessively hot: If the system’s oil temperature is
running above 160
F with an ambient air temperature of 80
F, the pump output flow
may need to be decreased. Before making any adjustment, verify the system is
getting adequate ventilation, the fan is operating, the oil cooler air passageways are
not plugged and the hot air exiting the cooler is not being drawn back through the
cooler. Operate system after correcting ventilation problems to validate whether the
system still overheats prior to making pump adjustment.
Note:
The generator’s output frequency cannot be decreased by adjusting the pump
flow. If the generator output frequency is too high, contact SPS at (231) 832-5525
for further instructions.
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