JLG 740AJ Operator Manual - Manual (Page 83)

SECTION 4 - MACHINE OPERATION
3121295 – JLG Lift – 4-21
4.17 AIR COMPRESSOR
Normal Startup Procedure
1. Check compressor oil level - top up if necessary.
2. Air service valve (beside the compressor) closed.
3. Start the engine.
4. Compressor switch (in the platform) ON - compressor
should activate.
5. Allow the compressor to warm up for several minutes
before operating.
Normal Shutdown Procedure
1. Close service valve and allow compressor to unload and
cool down (approx. 5 min.).
2. Position the compressor switch in the platform to OFF.
3. Shut down the engine.
Daily Operation
Before Starting:
1. Check compressor oil level.
2. Check for any leaks or loose bolts.
3. Check drive belt is tight.
After Starting:
1. Check pressure gauge for correct operating pressure.
2. Check for leaks.