(4) Replace intercooler safety valve (figure 5-4, item 4) by turning it clockwise.
5-10. SAFETY RELIEF VALVE TESTING AND REPLACEMENT.
Disconnect compressor unit from main power supply before servicing, replacing
or repairing parts of equipment, to avoid personal injury.
Release air pressure from air receiver and compressor pump before disassembly
of equipment, to avoid personal injury.
a. To remove safety relief valve, turn valve at base counter cloc kwise (figure 5-10, item 1) until free.
b. To test, connect safety relief valve to a test unit. Valve must allow air to escape at 200 PSI (1380 KPa) to be
c. To install, turn safety relief valve at base clockwise and tighten (figure 5-11).
FIGURE 5-11. SAFETY RELIEF VALVE REMOVAL AND REPLACEMENT
5-26 Change 1