morse GCRS-40-40 T4F, Product Manual

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Troubleshooting
Overview
This section contains instructions for troubleshooting
the equipment following a malfunction. T
h e
troubleshooting procedures to be performed on the
equipment are listed below. Each symptom of trouble
for a component or system is followed by a list of
probable causes of the trouble and suggested
procedures to be followed to eliminate the cause.
In general, the procedures listed should be performed
in the order in which they are listed, although the
order may be varied if the need is indicated by
conditions under which the trouble occurred. In any
event, the procedures that can be performed in the
least amount of time and with the least amount of
removal, disassembly, or parts should be performed
first.
Machine Will Not Crank
If machine wont crank, check for the following:
1. Faulty battery connections
2. Low battery voltage
3. Starter solenoid connections are loose or corroded
4. Faulty starter solenoid or starter
Machine Cranks But Will Not
Start
If machine cranks but doesn’t start, check for the
following:
1. No fuel
2. Air in fuel system
3. Fuel solenoid inoperative
Machine Shuts Down With Air
Demand Present
If the machine is shutting down when there is an air
demand, check for the following:
1. Out of fuel
2. Fuel filter restricted
3. Safety shutdown activated
4. Thermostatic valve malfunctioning
Machine Will Not Build Pressure
If the machine is not building pressure, check for the
following:
1. Air demand too great
2. Blowdown valve open
3. Faulty drive coupling.
4. Drive belt slipping or broken.
With No Demand, Machine Builds
Excessive Pressure
If the machine is building pressure when there is no
demand, check for the following:
1. Discharge pressure regulator not properly
adjusted or is faulty.
Insu ffi cient Air Delivery
If the machined cannot deliver enough air, check for
the following:
1. Compressor undersized for the air requirement
2. Air intake restricted
3. Faulty drive coupling
4. Drive belt slipping or broken
5. Plugged compressor air filter or air/oil separator
To locate a local Cummins distributor visit:
https://locator.cummins.com