Frick Rotary Screw Compressor RWF II 480

Warning: Follow all safety guidelines and procedures when replacing the pressure transducer.

Applicable transducer isolation valve closed

To change the discharge pressure transducer (PE-3), it will be necessary to depressurize the entire compressor package. Follow 'General Instructions For Replacing Compressor Unit Components' before going to step 3.

Wiring harness connectors identified

Wiring harness connector disconnected from transducer

Transducer unscrewed using a wrench on the metal hex at the base of the transducer

Wiring harness reconnected to the transducer

a. Check bolts, shim packs, center inserts, keys, and all bolt torques.

h. Refer to 070.210-IB for foot mounting alignment.

Suction and discharge flange bolts (d)

d. Verify tightness of bolts on suction and discharge flanges. See Table 13 for torque requirements.

Check electrical connections (b)

b. Check and torque all terminals in the processor and starter panel per the specification posted in the enclosure.

Warning: This procedure requires trained personnel with PPE!

DIN connector plug removed from transmitter

DIN connector plug applied to transmitter

When changing the coalescer filter element(s) it is recommended that the oil be changed, cartridge(s) in oil filters OF-1 and OF-2 if applicable be changed and the following applicable strainer elements be removed and cleaned.

Use of filter elements other than Frick may cause warranty claim to be denied.

1. See Changing oil, Steps 1 through 8.

2. Loosen manway cover retainer bolts, remove retainers, manway cover and cover gasket. Discard cover gasket.

3. Remove and retain nut securing coalescer filter retainer.

4. Remove retainer, coalescer filter element and 2 O-rings. Discard filter elements.' 5. Install new coalescer filter element(s).

Warning: For trained personnel only

DIN connector plug removed from transmitter?

New transmitter unit installed?

DIN connector plug applied to transmitter?