Frick TDSL 193L User Manual

070.250-IOM1 (NOV 2013)
Page 22
TDS_ Rotary Screw Compressor
Maintenance
Shutdown due to improper oil pressure (high-stage and booster)
The compressor must not operate with incorrect oil pressure.
1. Refer to CONTROL SETUP
Troubleshooting the TDS_ compressor (Frick RWB II package)
Symptom Probable causes and corrections
Excessive noise and vibration
Main oil injection valve may be closed. Open valve.
Bearing damage or excessive wear. CONTACT Frick Factor or Frick.
Coupling loose on shaft. Tighten coupling. Replace if damaged.
Misalignment between driver and compressor. Realign driver and compressor.
Refrigerantoodback.Correctsystemproblem.
Slide valve and/or slide stop
Will not move
4-way hydraulic control valve failed - repair or replace.
Slide stop indicator rod stuck. Contact Frick Factor or Frick for assistance.
Check both S.V. and S.S. potentiometer for wiring and resistance.
Compressormustberunningwithsufcientoilpressure.
Unloader piston stuck. Contact Frick Factor or Frick for assistance.
Slipper seals worn out or damaged. Contact Frick Factor or Frick for assistance.
NOTICE
Troubleshooting the compressor is limited to identifying the probable cause. If a mechanical problem is suspected
contact the Service Department, Frick. DO NOT ATTEMPT TO DISASSEMBLE THE COMPRESSOR.
Troubleshooting the hydraulic system
Symptom Probable causes and corrections
Slide valve will not load or
Unload
Solenoid coils may be burned out, replace.
Valve may be closed. Open hydraulic service valves.
Solenoid spool may be stuck or centering spring broken, replace.
Check outputs 2 and 3 and fuses.
Solenoid may be mechanically actuated by inserting a piece of 3/16” rod
against armature pin and pushing spool to opposite end. Push A side to
conrmunloadcapability.Ifvalveworks,problemiselectrical.
Slide valve will load but
Will not unload
A side solenoid coil may be burned out, replace.
Dirt inside solenoid valve preventing valve from operating both ways, clean.
Solenoid may be mechanically actuated by inserting a piece of 3/16” rod
against armature pin and pushing spool to opposite end. Push A side to
conrmunloadcapability.Ifvalveworks,problemiselectrical.
Slide valve will unload but
Will not load
A side solenoid coil may be burned out, replace.
Dirt inside solenoid valve preventing valve from operating both ways, clean.
Solenoid may be mechanically actuated by inserting a piece of 3/16” rod against
armature pin and pushing spool to opposite end. If valve works, problem is electrical.
Slide stop will not function
Either direction
Solenoid coils may be burned out, replace.
Solenoid service valves may be closed, open.
Manually actuate solenoid. If slide stop will not move mechanical problems
are indicated. Consult Frick factor or Frick.

Frick TDSL 193L Specifications

General

Brand	Frick
Model	TDSL 193L
Category	Air Compressor
Language	English