Ingersoll-Rand HP935, Руководство по эксплуатации и обслуживанию

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FAULT FINDING
49
HP935, VHP750, MHP825, XHP750, XP1060
FAULT CAUSE REMEDY
No reaction
from Emergency
stop actuated. Reset emergency stop button.
instrument
panel when
key turned
Batteries not
connected. Connect batteries.
to (I)
position.
Fuse at starter
motor ‘blown’. Replace fuse.
Engine fails
to start. Low battery
charge. Check the fan belt tension, battery
and cable connections.
Bad earth
connection. Check the earth cables, clean as
required.
Loose
connection. Locate and make the connection
good.
Fuel
starvation. Check the fuel level and fuel
system components. Replace the
fuel filter if necessary.
Relay failed. Replace the relay.
Faulty stop
solenoid Check the stop solenoid
Engine
stops while
in service or Low fuel level. Fill fuel tank and bleed air from fuel
system if necessary. (Refer to
MAINTENANCE SECTION).
is reluctant
to start.
Safety
shut-down
system in
operation. Check the safety shut-down
switches.
Engine Electrical fault Test the electrical circuits.
starts but
stalls when
the switch
Low engine oil
pressure. Check the oil level and the oil
filter(s).
the switch
returns to
position I.
Low water
level Check if the low water lamp is
extinguished.
Faulty relay Check the relays.
Faulty
key–switch Check the key–switch.
Engine Electrical fault. Test the electrical circuits.
starts but
will not run
or engine
Low engine oil
pressure. Check the oil level and oil filter(s).
or engine
shuts down
prematurely.
Safety
shut-down
system in
operation. Check the safety shut-down
switches.
Fuel
starvation. Check the fuel level and fuel
system components. Replace the
fuel filter if necessary.
Switch failure. Test the switches.
High
compressor oil
temperature. Check the compressor oil level and
oil cooler. Check the fan drive.
Water present
in fuel system. Check the water separator and
clean if required.
Faulty relay. Check the relay in the holder and
replace if necessary.
Engine
Overheats. Low water
level Check the level and replenish if
necessary.
Blocked
radiator. Stop the machine and clean the
cooling fins with compressed air or
steam. Use reduced pressure for
cleaning the fins.
Reduced
cooling air
from fan. Check the fan and the drive belts.
Check for any obstruction inside
the cowl.
Faulty
thermostat Check the thermostat and replace
if necessary.
Engine
speed too Blocked fuel
filter. Check and replace if necessary.
low.
Blocked air
filter. Check and replace the element if
necessary.
Faulty
regulator
valve. Check the regulation system.
Premature
unloading. Check the regulation and the
operation of the air cylinder.
Excessive
vibration. Engine speed
too low. See ”Engine speed too low”
Leaking oil
seal. Improperly
fitted oil seal. Replace the oil seal.
Refer also to the Engine Manufacturer’s Manual.
Air
discharge Engine speed
too low. Check the air cylinder and air
filter(s).
capacity too
low.
Blocked air
cleaner. Check the restriction indicators and
replace the element(s) if
necessary.
High pressure
air escaping. Check for leaks.
Incorrectly set
regulation
system. Reset the regulation system. Refer
to SPEED AND PRESSURE
REGULATION ADJUSTMENT in
the MAINTENANCE section of this
manual.
Compressor
overheats. Low oil level. Top up the oil level and check for
leaks.
Dirty or
blocked oil
cooler. Clean the oil cooler fins.
Incorrect
grade of oil. Use Ingersoll–Rand
recommended oil.
Defective
by-pass valve. Check the operation of the element
and replace if necessary.
Recirculation
of cooling air. Move the machine to avoid
recirculation.
Reduced
cooling air
from fan. Check the fan and the drive belts.
Check for any obstruction inside
the fan cowl.