Q MODEL DISPENSER Q160/290/300 Service Manual Thank you for selecting a Manitowoc Dispenser, the dependability leader in ice making equipment and related products. With proper care and maintenance, your new Manitowoc Dispenser will provide you with many years of reliable and economical performance. This manual is updated as new information and models are released. Visit our website for the latest manual. www.manitowocice.
Safety Notices Procedural Notices Installation and start-up of this equipment should be done by a qualified service technician. When using or servicing a Q Model Dispenser, be sure to read the procedural notices in this manual. These notices supply helpful and important information. When using or servicing a Q Model Dispenser, be sure to pay close attention to the safety notices in this manual. Disregarding the notices may lead to serious injury and/or damage to the dispenser.
Table of Contents Table of Contents Section 1 – Troubleshooting Model/Serial Number Location..............................................................................................................................1-1 Model Numbers Covered in Manual .....................................................................................................................1-1 Warranty Information ....................................................................................................................
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Section 1 Troubleshooting Troubleshooting This manual is a reference guide for the owner/operator, service agent and installer of this equipment. Please read this manual before installation or operation of the machine. If you encounter a problem, first consult the Trouble shooting Guide or Adjustments sections of this manual. If you cannot correct the problem, call your Manitowoc Service Agent, Distributor or the Factory. Always have your model and serial number available when you call.
Troubleshooting Section 1 Warranty Information The packet containing this manual also includes warranty information. Warranty coverage begins the day your new dispenser is installed. Important Complete and mail the OWNER WARRANTY REGISTRATION CARD as soon as possible to validate the installation date. If you do not return your OWNER WARRANTY REGISTRATION CARD, Manitowoc will use the date of sale to the Manitowoc Distributor as the first day of warranty coverage for your new dispenser.
Section 1 Troubleshooting Equipment Overview Agitator timer Rocking chute Removable front panel Agitator Ice bin Paddle wheel Gearmotor Scrap ice tray Q300 Dispensers Q160 Dispensers The operation of the Q Series ice dispenser can be divided into three main operations. They are Dispenser Activation, Ice Pick-Up and Ice Delivery. Ice Pick-Up When the customer activates the dispenser, the gearmotor inside the dispenser begins to turn.
Troubleshooting Section 1 Room Key Card Activation Coin Operated Activation 1. User places ice bucket under ice chute. 2. User places their hotel room key card into a slot on the dispenser which is labeled “Insert Room Key Card”. The room key activates the microswitch. 3. The user then presses the Rocking Chute (Push for Ice) for ice dispense. Pushing the ice chute activates the gearmotor. 1. User places ice bucket under ice chute. 2. User places one quarter (U.S. currency only) into dispenser. 3.
Section 1 Troubleshooting WARNING Unplug unit before servicing or cleaning. Ice dispenser bin contains parts that can move at any time and will cause injury if hands are in the way. WARNING Unplug unit before servicing or cleaning. The agitator is operated by a timer and can agitate at anytime Electric Shock Hazard. Problem: Ice Does Not Dispense When Rocking Chute is Depressed. Problem There is power to the dispenser, however nothing runs.
Troubleshooting Section 1 Problem: Ice Does Not Dispense When Rocking Chute is Depressed. (continued) Problem The gearmotor runs, but the dispensing paddle wheel does not turn. Dispenser runs but does not dispense ice. Dispenser runs, ice does not dispense but does congeal ice into a large ball. 1-6 Possible Cause To Correct Remove the paddle wheel pin. Is this pin broken, damaged, or missing? If the paddle wheel pin is broken or missing, replace the pin. Remove the agitator and paddle wheel.
Section 1 Troubleshooting Problem: Dispenser Crushes Ice as it Dispenses Problem Dispenser crushes ice as it dispenses. Possible Cause To Correct The ice in the bin is not the proper size and type? Replace ice with acceptable. Is the ice being used a full size piece of ice, i.e., are cubes full, not shallow, etc.? Adjust ice machine to make a good, complete, not hollow piece of ice.
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Section 2 Component Disassembly Disassembling the Dispenser Parts For Cleaning WARNING Unplug unit before servicing or cleaning. The agitator is operated by a timer and can agitate at anytime. Electric Shock Hazard. Dispenser Front Panel 1 Shut off water to ice machine. Black rubber holes Catch Hook 3 Hold the front panel of the dispenser on both sides and tilt the panel forward. The front panel will be resting on the catch hooks at the bottom of the panel.
Component Disassembly Disassembling the Dispenser Parts For Cleaning (continued) Section 2 Removing the Drain Pan Dispenser Front Panel Catch Hook 1 The drain pan is visible when the front panel of the dispenser is removed. 5 Lift the front panel off the catch hooks and set the panel aside. 2 Slide the drain pan forward. 3 Remove scrap ice if any scrap ice has accumulated.
Section 2 Component Disassembly Disassembling the Rocking Chute/Door Removing the Drain Pan (continued) WARNING Unplug unit before servicing or cleaning. Electric Shock Hazard. Drain Pan 1 Remove the front panel as described on pages 4-1 and 4-2. 4 Remove the inner drain pan. Clean the inner drain pan with sanitizing solution. (See page 4-9.) 5 After cleaning, place inner drain pan back into outer drain pan. 6 Slide drain pan back into place. 2 Remove outer bracket.
Component Disassembly Section 2 Disassembling the Rocking Chute/Door (continued) Metal Support Bracket 5 Remove metal support bracket. 3 Remove door lock. Metal Support Bracket 4 Loosen the two thumbscrews of the metal support 6 Remove door. bracket. 7 Remove ice chute.
Section 2 Component Disassembly Disassembling the Rocking Chute/Door (continued) Paddle wheel guard Paddle wheel guard Retainer 8 Remove the two thumb screws from the plastic paddle wheel guard retainer. 10 Pull the stainless steel paddle wheel guard from the slot that is cut into the chute… Paddle wheel guard Paddle wheel guard Retainer 9 Remove the paddle wheel guard retainer 11 …and remove the paddle wheel guard retainer.
Component Disassembly Section 2 Re-Installing the Paddle Wheel Guard Cylinder hinge Welded to Front of Paddle wheel Guard Correct Installation Slot in Chute Paddle wheel guard Paddle wheel guard (front) 1 When re-assembling the rocking chute/door, the paddle wheel guard is placed in the slot in the ice chute. Notice that a cylinder hinge is welded to the top front side of the paddle wheel guard, as shown in the picture above.
Section 2 Component Disassembly Disassembling the Dispenser Parts For Bin Cleaning WARNING Unplug unit before servicing or cleaning. Paddle wheel pin Ice dispenser bin contains moving parts that can move at any time and will cause injury if hands are in the way. Paddle wheel pin handle 3 …Then remove the paddle wheel pin by firmly rotating the pin and pulling upward. 1 Inside the dispenser, rotate the agitator arm so the paddle wheel pin handle is pointing up, toward the ceiling.
Component Disassembly Section 2 Disassembling the Dispenser Parts For Bin Cleaning (continued) Bushing 5 Move the agitator to one side and slide the agitator forward until the rear of the agitator shaft is clear of the bushing. 6 Remove the agitator from the bin area. 2-8 7 Slide the paddle wheel from its shaft.
Section 2 Component Disassembly Removal of the Gearmotor WARNING Unplug unit before servicing or cleaning. Electric Shock Hazard. 5 Pull removal pins out to the right. 1 Remove the front panel from dispenser. (See pages 4-1 and 4-2.) 2 Remove paddle wheel pin, agitator, and paddle wheel. (See pages 4-5 and 4-6.) 6 As soon as the second pin is removed, be sure to hold onto the gearmotor as it slides forward. Then place the gearmotor aside. Gearmotor Wire 3 Unplug the gearmotor wire.
Component Disassembly Section 2 Gearmotor Shaft Seal Replacement Oil Seal Retainer Marks Topside Of Bin Insulator Plate WARNING Unplug unit before servicing or cleaning. The agitator is operated by a timer and can agitate at anytime Electric Shock Hazard. 1 If the dispenser is top mounted with an ice machine, remove the ice machine front panel. Most will allow access to the bin. NOTE: The following photos show a bin that is not top-mounted with an ice machine.
Section 2 Component Disassembly Gearmotor Shaft Seal Replacement (continued) Shaft seal marks the underside of bin insulator plate Shaft seal 5 Locate the shaft seal on the underside of the bin insulator plate. 6 Using a screwdriver, pry out the shaft seal, then throw the shaft seal away. CAUTION Know which side of the shaft seal you are accessing, the convex side or the concave (ridge) side. Snap in the new seal with the concave (ridge) side down.
Component Disassembly Section 2 Gearmotor Shaft Seal Replacement (continued) 9 Replace the three bolts. Using a 7/16” nut driver, tighten a quarter turn past tight. 10 Replace the paddle wheel, agitator and paddle wheel pin in the dispenser. 11 Refill the dispenser or restart the ice machine. 12 Restore power to the dispenser and ice machine. 8 Press the bin insulator plate back into place.
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MANITOWOC ICE, INC. We reserve the right to make product improvements at any time. Specifications and design are subject to change without notice. 2110 South 26th Street P.O. Box 1720 Manitowoc, WI 54221-1720 Phone: (920) 682-0161 Service Fax: (920) 683-7585 Web Site - www.manitowocice.com 2003 Manitowoc Ice, Inc.
