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Istruzioni per l'uso Carrier, Modello 338

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Caution: Always disconnect electrical power prior to cleaning the condenser. j 8. If your machine is water cooled, check the water lines for kinks or leaks. Kinks can occur when the machine is moved back and forth for cleaning or maintenance purposes. Deteriorated or cracked water lines should be replaced only by an authorized Taylor distributor. Winter Storage If the place of business is to be closed during the winter months, it is important to protect the freezer by following certain precautions, particularly if the building is subject to freezing conditions. Disconnect the freezer from the main power source to prevent possible electrical damage. On water cooled freezers, disconnect the water supply. Relieve pressure on the spring in the water valve. Use air pressure on the outlet side to blow out any water remaining in the condenser, and then add a liberal amount of permanent type auto anti-freeze. This is extremely important. Failure to follow this procedure may cause severe and costly damage to the refrigeration system. Your local Taylor Distributor can perform this winter storage service for you. Wrap detachable parts of the freezer such as beater, blades, drive shaft, and freezer door, and place them in a protected dry place. Rubber trim parts and gaskets can be protected by wrapping them with moisture-proof paper. All parts should be thoroughly cleaned of dried mix or lubrication which attract mice and other vermin. Models 336, 338 & 339 23 Important: Operator Checklist Section 8 Troubleshooting Guide PROBLEM PROBABLE CAUSE REMEDY PAGE REF. 1. No product is being a. Freeze-up in mix inlet a. Call service technician to -----dispensed with draw valve hole. adjust the mix hopper open and the machine in temperature. the “AUTO” mode. b. Beater motor out on reset. c. The beater is rotating counterclockwise from the operator end. d. The circuit breaker is off or the fuse is blown. e. There is inadequate mix in the mix hopper. f. The air orifice is not installed. g. Air tube is installed in the “STANDBY” position. b. Reset the freezer. c. Contact service technician to correct rotation to clockwise from operator end. d. Turn the breaker on, or replace the fuse. e. Fill the mix hopper with mix. f. Install air orifice in air tube. g. Install the air tube in the “AUTO” position. 11 ---------- 19 18 18 2. The product is too stiff. a. The viscosity needs adjustment. b. The air orifice is not installed. a. Contact service technician. b. Install air orifice in air tube. -----18 3. The product is too soft. a. Viscosity needs adjustment. b. Not enough air space around unit. (Air cooled units) c. Worn scraper blades. d. Dirty condenser (A/C) e. Mix is out of date. f. Loss of water. (W/C) g. Loss of refrigerant. a. Contact service technician. b. Allow for adequate air flow across the condenser. c. Replace regularly. d. Clean monthly. e. Use only fresh mix. f. Locate cause of water loss and correct. g. Call a service technician. -----1 27 22 -----23 -----4. The mix in the mix hopper is too cold. a. The temperature is out of adjustment. a. Call service technician to adjust the mix hopper temperature. ----- Troubleshooting Guide 24 Models 336, 338 & 339 PROBLEM PROBABLE CAUSE REMEDY PAGE REF. 5. The mix in the mix hopper is too warm. a. The temperature is out of adjustment. b. Missing or defective mix hopper gasket. c. The mix hopper cover is not in position. d. The mix refrigeration light is not lit. e. The condenser is dirty. a. Call service technician to adjust the mix hopper temperature. b. Replace/install the gasket around the mix hopper. c. Place the cover in position. d. Press mix refrigeration button. e. Clean the condenser. -----18 19 19 22 6. The drive shaft is stuck in a. Rounded corners of drive a. Call service technician to -----the drive coupling. shaft, coupling, or both. b. Mix and lubricant collected in the drive coupling. correct cause, and to replace the necessary components. Do not lubricate the hex end of the drive shaft. b. Brush clean the rear shell bearing area regularly. 21 7. The freezing cylinder walls are scored. a. The beater assembly is bent. b. The front bearing is missing or worn on the freezer door. a. Call service technician to repair or replace the beater and to correct the cause of insufficient mix in the freezing cylinder. b. Install or replace the front bearing. -----13 8. Excessive mix leakage a. Missing or worn drive a. Install or replace regularly. 12 / 27 into the rear drip pan. shaft seal on drive shaft. b. The rear shell bearing is worn. b. Call service technician to replace rear shell bearing. -----9. Excessive mix leakage a. Missing or worn draw a. Install or replace regularly. 14 / 27 from door spout. valve o-rings. b. Inadequate lubrication of draw valve o-rings. b. Lubricate properly. 14 c. Wrong type of lubricant is being used (example: petroleum base lubricant). c. Use the proper lubricant (example: Taylor Lube). 12 Models 336, 338 & 339 25 Troubleshooting Guide PROBLEM P...