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Clean-In-Place Procedure (Daily Cleaning)

This equipment has been approved for a Clean-In-Place procedure that does not require complete disassembly on a
daily basis. The unit still requires regular complete disassembly for cleaning and sanitizing. To perform the C-I-P
procedure follow the instruction below:

1. Empty any product in the machine and turn to OFF.
2. Disassemble the dispensing valve assembly following the instructions in Disassembly and Cleaning. 

NOTE:

Leave the valve block in place. Only disassemble the plunger, handle, spring, o-rings and pin.

3. Remove carburetor assembly from hopper and remove o-rings.
4. Take all components to the cleaning area.
5. Carefully inspect the o-rings for cracks, chips or cuts and replace if necessary.
6. Prepare 1 gallon solution of hot tap water and a good grade of dishwashing detergent.
7. Thoroughly wash all parts including handle, pin, valve plunger, spring, carburetor assembly and all o-rings in 

detergent solution.

8. Use a medium sized brush to clean the bottom of the valve body and the inside of the plunger bore with detergent 

solution taking care to remove any remaining lubricant.

9. Reassemble following the instructions under Sanitizing and Refilling.

NOTE:

Run the unit with sanitizer on “CLEAN” for 20 minutes before draining and refilling.

MAINTENANCE

WARNING: Disconnect power for maintenance. Do not attempt to perform maintenance on the freezer 
until electrical power has been disconnected.

Suggested Daily Maintenance

1. Clean, lubricate and sanitize the freezer following guidelines.
2. Clean the exterior of the freezer using a soft wet cloth. (Wipe down spinner if attached)
3. Empty drip tray.

Parts Replacement Schedule

Refer to the Crathco Parts Price List when ordering the above parts

!

Part

Description

Monthly 

Every 3 
Months

Every 6
Months

Annually 

Quantities to 

be Replaced 

Shaft Seal
(W0340201 or W0340210)

Replace

1

Drive Shaft 
(W0451067)

Inspect & replace if

necessary

Drive Belts 
(W0450209)

Inspect & replace if

necessary

Scraper blades on dasher
(if equipped)
(W1431084)

Replace

2

Square cut o-ring on valve
body/face plate 
(W0340055)

Inspect & replace if

necessary

Front stator flange bearing
(W0430032) 

Replace

Rear stator flange bearing
(W0430024)

Replace

Dispense valve o-rings
(W0340022)

Replace

Thick Product
Plunger: 2
Standard Product
Plunger: 3

Carb tube o-rings
(W0340011)

Replace

2 or 3

Condenser

Inspect & clean 

if necessary

(Air-cooled units only)

Model 3511

Page 11

Summary of Contents for 3511

Page 1: ...Freezer Manual Grindmaster Corporation 4003 Collins Lane Louisville KY 40245 USA 502 425 4776 800 695 4500 FAX 502 425 4664 www grindmaster com 0804 Form WH 305 02 Part W0600114 Grindmaster Corporation 2004 PRINTED IN USA ...

Page 2: ......

Page 3: ...ance 11 13 Troubleshooting 14 Key Parts Identification 15 Assembly Diagrams 16 18 Wiring Diagrams 19 22 Refrigeration Diagram 24 Information contained within this manual is subject to change without notice Contact Grindmaster Corporation s Customer Technical Service Department at 1 800 695 4500 with any questions or for clarification Model 3511 Page 1 ...

Page 4: ... freeze the product A self closing dispensing valve is attached to the front of the freezing cylinder The unit has an adjustable consistency control and an out of product indicator When properly operated and cared for the Model 3511 will provide many years of service Proper care includes regular cleaning and maintenance To minimize the amount of maintenance necessary follow the operating procedure...

Page 5: ...o escape and a smoothie shake carb tube This carb tube has an outer sleeve that can be rotated to line up with different hole sizes to provide various levels of overrun Most applications only require the standard carb tube Mix Considerations General Freezing characteristics are affected by the amount of sweeteners and solids in the mix The amount of sweeteners and solids is called BRIX BRIX can be...

Page 6: ... kg or if equipped with legs instead of pad install legs by screwing them into the four leg holes on the bottom of the unit Leg Kit Part W0890220 4 4 Legs 2 Make sure freezer is to be placed in a location that is within 6 of a properly grounded circuit and allows adequate space at each side and above for proper air circulation Air Cooled Units Only Minimum clearance is 6 15 cm on both sides and 0 ...

Page 7: ...bubble wrap Separate the parts and remove the protective coating The drip tray is mounted on two screws that are located on the lower front of the freezer cabinet 14 Place the key hole slot of the drip tray support bracket W0471022 on to these screws and tighten the screws 15 Angle the back of the drip tray surround bracket into the drip tray support bracket W0471022 and lower bracket to lock it i...

Page 8: ... screws See Figure I Grindmaster offers a variety of drink headers including frozen beverage frozen lemonade cappuccino margarita pina colada frozen cocktail frozen daiquiri and smoothie OPERATION AND ADJUSTMENTS How to Operate 1 Sanitize unit following the cleaning instructions starting on page 10 2 Fill the mix storage hopper following the instructions on page 10 Allow barrel to fill with produc...

Page 9: ...e K NOTE Clockwise is for thicker product consistency and counter clockwise is for thinner product consistency See Figure L 4 Reinstall the side panel reconnect power 5 Turn freezer to ON and allow it to freeze to desired consistency 6 Check product Repeat process until desired consistency is achieved NOTE When making changes to a colder thicker setting recheck consistency again after the compress...

Page 10: ... valve and drain the water from the freezer 7 Turn the freezer OFF Disassembly and Cleaning Note For cleaning and sanitizing before initial start up remove carb tube dispense plunger handle and spring from parts bag first 1 Disassemble the dispensing valve assembly Figure M Pull out valve handle retaining pin while supporting the valve plunger from the bottom Figure N Push up on the valve plunger ...

Page 11: ...p tray and re install on front of unit 2 Wet the inner rubber lip of the rotary half of the seal and the back end of the dasher shaft with water Slide rotary half of assembly onto the dasher shaft RUBBER FIRST with the smooth sealing surface facing the back of the dasher See Figure U Be sure the rotary half is fully seated against the shoulder of the shaft 3 Insert the stationary half of the seal ...

Page 12: ...n to fill freezing cylinder Use a large brush to sanitize all hopper surfaces Figure DD 11 Turn panel switch to CLEAN and allow freezer to run for 5 minutes 12 Open dispensing valve and drain solution Allow the dasher to push remaining sanitizer out of the freezing cylinder Once the sanitizing solution is drained turn panel switch to OFF 13 Place a small amount of sanitary lubricant onto another p...

Page 13: ...emaining lubricant 9 Reassemble following the instructions under Sanitizing and Refilling NOTE Run the unit with sanitizer on CLEAN for 20 minutes before draining and refilling MAINTENANCE WARNING Disconnect power for maintenance Do not attempt to perform maintenance on the freezer until electrical power has been disconnected Suggested Daily Maintenance 1 Clean lubricate and sanitize the freezer f...

Page 14: ...ion of all panels and lids replace if necessary Check dasher scraper blades for wear if equipped replace once per year minimum Check dasher for signs of wear replace if necessary Verify alignment when replacing Check valve body gasket for wear replace once per year minimum Check valve body knobs used to hold valve body in place replace if necessary Check condition of shaft seals and stator bearing...

Page 15: ... tension The proper belt deflection is 1 2 over all If the deflection is more than 1 2 the motor will need to be lowered If the deflection is less than 1 2 the motor will need to be raised Follow this procedure to adjust the motor to achieve proper belt tension See Figure FF 1 Unplug the machine and remove both side and rear panels 2 Locate the motor flange bearings These are the side mounted bear...

Page 16: ...sistency adjuster set too firm Carburetor inlet hole clogged Drive belt broken or off pulley Drive shaft worn Drive motor failure Turn power switch ON Refill hopper Readjust consistency setting Unclog carburetor inlet hole Repair or replace Inspect square drive shaft pocket for excessive wear replace Replace motor Leakage from drain tube front of freezer above drip tray Worn or defective shaft sea...

Page 17: ...HECK LIST PARTS IDENTIFICATION Coconut Oil Seal W0340210 and Standard Seal W0340201 include 1 2 3 Slush Plunger W0480438 Thick Product Plunger W0480451 W0430026 Scraper Blade Dasher W0430089 W0631230 Use with scraper blade dasher Model 3511 Page 15 ...

Page 18: ...r LT Red 12V 12 W0631614 Acrylic Lens 39 W0520063 Rear Machine Panel 13 W0572452 Electrical Box Cover 40 W0520065 Right Side Panel 14 W0211112 Drain Tube Fitting 41 W0520107 Left Side Panel 15 W0340058 Barrell Gasket 42 W0380025 Bearing 1 Bore 16 W0340007 108 Float O Ring 43 W0451067 Driveshaft Slush 17 W0570941 Mix Low Indicator Float 44 W0450209 Belt V 18 W0430089 Dasher Weldment Scraper 45 W045...

Page 19: ...320020 Motor Drive Dual Cycle 1 2HP 8 W0611249 Washer Split Lock Z P 3 W0321013 Nut Motor Adjustment 9 W0671022 Insulation Motor Brkt Sound 4 W0321027 Pin Sleeve 10 W0170014 Consistency Control 5 W0380009 1 Bore Flange Bearing 11 W0321025 Motor Stop Brkt Assy 6 W0450016 Pulley 0K7 x 1 2 Browning 12 W0630421 Cable Clamp Drive Motor Assembly See figure on left ...

Page 20: ...Page 18 Model 3511 Model 3511 Electrical Box Assembly Contactor ...

Page 21: ...Model 3511 Page 19 Model 3511 Wiring Diagram ...

Page 22: ...Page 20 Model 3511 Model 3511 Compressor Wiring ...

Page 23: ...Model 3511 Page 21 Model 3511 Ladder Diagram ...

Page 24: ...Page 22 Model 3511 Model 3511 Spinner Wiring ...

Page 25: ...Model 3511 Page 23 Model 3511 Refrigeration ...

Page 26: ...Page 24 Model 3511 Model 3511 Refrigeration Schematic ...

Page 27: ...Model 3511 Page 25 ...

Page 28: ...s Crathco Cold and Frozen Beverage Dispensers American Metal Ware Coffee and Tea Systems Tel 502 425 4776 Fax 502 425 4664 1 800 695 4500 P O Box 35020 Louisville KY 40232 USA www grindmaster com email info grindmaster com 0804 Form WH 305 02 Part W0600114 Grindmaster Corporation 2004 PRINTED IN USA ...

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