Champion R Series Operation & Service Manual page 17

Operation (continued)
6. Start engine. Allow engine to warm up.
7. Flip toggle lever on pilot valve to the "Run" position. See Figure 5.
8. With receiver ball valve closed, let the machine pump up to operating pressure.
9. Check for proper operation of the head unloaders.
a. When the air receiver pressure reaches the cut-in setting of the pilot valve, the head
unloaders will activate. The air compressor continues to run, but air compression is stopped.
b. Open the receiver ball valve slowly, allowing pressure in the receiver to drop.
c. When the air receiver pressure drops to the cut-out setting of the pilot valve, the head
unloaders will de-activate. Air compression will resume.
d. Repeat steps a. thru c. three times.
10. Check for proper operation of any options.
11. When the initial run period has shown no operating problems, shut unit down and recheck oil level.
Add oil if needed.
12. Open receiver ball valve. The air compressor unit is now ready for use.
DAILY STARTING
1. Check compressor and engine oil level.
2. Drain liquid from receiver.
3. Close receiver outlet valve.
4. Flip toggle lever on the pilot valve to the "Manual Unload" position. See Figure 5.
5. Start engine. Allow engine to warm up.
6. Flip toggle level on pilot valve to "Run" position. See Figure 5.
7. When unit reaches operation pressure, open receiver outlet valve.
R-Series Engine
Operation & Service
17 CQF3474 v.00
Jan.2018