Polar Air Electric Operated, Piston Compressors
15
3. Lightly push power switch to make sure system is working.
4. If motor shaft is not turning counter clock-wise,
disconnect power to terminal block then exchange
any two of the three power leads. Re-check rotation.
For heavy use applications such as sandblasting, the continuous run feature is available. This feature keeps main
feed line open to eliminate numerous motor starts/stops and to help cool pump.
To engage continuous run feature, open ball valve found by following copper tubing across cylinder heads to tank.
See figure 9.
Stop continuous run feature by closing valve so compressor will start and stop according to pressure switch.
Always make sure main power is off before touching belts or other
moving parts of compressor.
WARNING
Figure 9: Continuous run featur
e
Disconnect, tag and lock out power source then release all pressure
from the system before attempting to install, service, relocate or
perform ANY maintenance.
WARNING
1.
Make sure repairs are done in a clean, dry, well lighted and ventilated area.
2. When cleaning, use air pressure less than 30 PSIG (2.1bar).
NEVER
use flammable solvents for cleaning
purposes. Also use effective chip guarding and personal protective equipment per OSHA standard 29 CFR
1910.242 (b).
Safety Steps
Continuous Run Feature
(
if equipped
)
Maintenance
