Air Receiver Relief Valve; Air Compressor And Tank - Vanguard CPW 125-4-S Series Operation And Maintenance Manual

Compressed Air Supply Line Tee —Two1-inch NPT pipe connections are provided for air supply to outboard auxiliary
equipment. (1)A 1-inch NPT ball valve (female, open). (2) a 1-inch NPT ball valve with straight connection (male, capped).
Note: Use appropriate lines and fittings that have adequate pressure ratings to carry the 1.724 MPa (250 psi) working
pressure of the compressed air supply.

Air Receiver Relief Valve

Figure 41: Air Receiver Relief Valve
Air Receiver Relief Valve— To guard against over pressure, the air receiver is fitted with a relief valve. The air receiver
relief valve is located on top of the air receiver, towards the genset side. The air receiver relief valve is set to vent the air
receiver if the compressed air pressure reaches 1.9 MPa (275 psi); no operator intervention is required. Note: If the air
receiver relief valve does vent, it will be necessary to drain all of the air out of the air receiver—using the compressed air
receiver drain valve—in order to fully reseat the air receiver relief valve.

Air Compressor and tank

1. Check the compressor's oil level through the sight gauge; add oil if required. Note: The compressor automatically shuts
down in the event of low oil pressure.
Figure 42: Air Compressor Oil Level Sight Gauge
2. Check that the air-vent valve on the air tank is closed.
3. The air tank is fitted with drain valve on the underside of the deck, check that it closed.
037-08OP-002D-01 S/N CB50600021 – UP (Weld-deck)
Genset
037-43-55-043A
Sight
Gauge
037-05-55-300A
57