Product Manual

QT/QTS Series Quincy Compressor

50161-108, January 2013 34 3501 Wismann Lane, Quincy Ill. - 62305-3116

Step 1) Check lubricant level in crankcase.

Step 2) Drain liquid from the air receiver and moisture trap (if so equipped).

Step 3) Check all hoses and ﬁttings for weak or worn conditions and re-

place if necessary.

Step 4) Jog the starter button and check compressor rotation (refer to

Steps 14 & 15 of Pre-Starting Checklist).

Note: Continuous Run Units - Prior to starting a continuous run

unit, ﬂip the toggle lever on the pilot valve stem to the “Manual

Unload” position (see Fig. 4-2). Now the compressor can be started

unloaded. Once the compressor is running at full speed, ﬂip the

toggle lever back to the “RUN” position.

Step 5) Start compressor per factory instructions. (Refer to SECTION 4,

Pre-Starting Checklist and Initial Starting & Operating.)

Step 6) Check system pressure.

Step 7) Check all pressure relief valves for proper operation.

Step 8) Check control system for proper operation.

Step 9) Check the lubricant level in the crankcase several minutes after

the compressor has run. (Discoloration or a higher lubricant level

reading may indicate the presence of condensed liquids.) If lubri-

cant is contaminated, drain and replace.

Fig. 4-1

Continuous Run

Pilot Valve

“MANUAL

UNLOAD”

position

“RUN”

position