Checking High Airend Temperature Sensor; Cleaning Motor Cowl; Filter Element (For Vsd Only); Cleaning / Checking Condensate Drain - Ingersoll Rand R4-11 kW Manual Del Usuario

For any required lifting of air compressor parts or required tools,
always use the proper certified lifting equipment, and employ sound
working principles .
5. Carefully place cooler in its proper location.
6. Connect hoses to cooler and properly torque all connections.
7. While supporting the top assembly, fasten the eight bolts into the
opposing sides of the compressor to hold the top assembly in place.
8. Reconnect the aftercooler discharge tube or hose and properly
torque connections.
9. Refill the compressor with coolant to the proper level, following the
process outlined in the "Adding Coolant" procedure.
10. Run the machine and inspect for leaks.
11. Replace the access panels on the front and back of the machine.
„ Checking High Airend Temperature Sensor
It is recommended that the discharge temperature sensor (2ATT) is checked
regularly (2000 hours) by stopping the cooling fan by opening the fan/ fan
motor circuit breaker (QF4). The compressor should trip at 109C (228F). A trip
warning will appear on the controller display.
„ Cleaning Motor Cowl
1. Ensure the compressor is electrically isolated for at least 15 minutes
before commencing any maintenance work.
2. Remove the panels from the compressor.
3. Using a clean dry cloth, remove dust from the surface of the motor
cowl and ensure all ventilation slots are free of obstructions.
4. Replace the panels.
„ Removing / Replacing Starter Box Power Drive Element
(PDM) Filter Element (For VSD Only)
See Figure 6.
1. Ensure compressor is electrically isolated for at least 15 minutes
before commencing any maintenance work.
2. Unclip the front grill of the starter box filter housing.
3. Remove the filter element from the housing and replace with a new
filter element.
4. Replace the front grill.
Figure 6: Open Power Drive Element (PDM)
to Replace Filter Element .
80448517 Rev A
RELEASED 16/Dec/2014 10:49:53 GMT
NOTICE
„ Cleaning / Checking Condensate Drain
1. Ensure the compressor is electrically isolated for at least 15 minutes,
before commencing any maintenance work.
2. Isolate the compressor from the system and fully discharge the
compressed air within the compressor.
3. Remove tubes from drain assembly.
4. Remove screen from drain assembly.
5. Carefully clean screen of debris.
6. Reinstall screen and reattach tubes to drain assembly.
„ Cleaning / Installing Package Pre-Filter
1. Ensure compressor is electrically isolated for at least 15 minutes
before commencing any maintenance work.
2. Open starter box door.
3. Remove elastic band from bolts.
4. Remove pre-filter from bolts.
5. Line the new pre-filter over the mounting bolts.
6. Push pre-filter down over bolts.
7. Reinstall elastic band over bolts to secure pre-filter.
8. Replace nuts on bolts.
9. Close the panel and latch.
„ Monitoring Fluid and Performing Shock Pulse Bearing
Analysis
Ingersoll Rand recommends incorporating predictive maintenance,
specifically the use of coolant and shock pulse bearing analysis, into all
preventative maintenance programs. Contact Ingersoll Rand for details.
„ Aftermarket Kits
Ingersoll Rand may offer aftermarket kits to the customer which will
augment characteristics of the compressor. No aftermarket kit is available
which converts a non-tank-mounted compressor into a tank-mounted
compressor.
„ Changing Pulleys / Belts
1. Stop the compressor.
2. Isolate the compressor from the system.
3. Press the emergency stop to vent the separator tank and airend.
Fixed speed compressors can take more than two minutes to fully
de-pressurize once stopped.
4. Ensure the main power disconnect switch is locked off and tagged.
For any required lifting of air compressor parts or required tools,
always use the proper certified lifting equipment, and employ sound
working principles .
Always remain aware of nip points, pinch points and other associated
hazards caused by weighted and/or moving parts . Do not remove
guard at back (non-drive end) of motor . Do not insert anything
between the motor support plate and the airend support . See Figure 5
5. Remove the outer belt guard from the airend support by removing
the nut and washer from the threaded stud, two bolts and washers
from the airend support, and remove the clips between the guards.
6. Loosen the four motor support plate bolts to allow the plate to pivot.
7. Loosen the nut on the belt tensioning (carriage) bolt.
8. Locate the jack bolt which is found on the motor support plate
towards the non-drive end of the motor.
NOTICE
NOTICE
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