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Grindmaster 1WD25-4, Service Manual

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Grindmaster 1WD25-4 Service Manual Download Page 1

Beverage Dispensers

Mini, Standard, Heated, Whipper and Super Bowl Models

Service Manual

Table of Contents

Unpacking ................................................. 2

Installation ................................................. 2

Assembly  .................................................. 3-4 

Disassembly .............................................. 5

Routine Maintenance  .............................. 6

Helpful Hints ............................................. 6

Preventative Maintenance ....................... 7

Security Kit Installation ............................ 8-9

Service 

Base Assembly Components .............

10

Installing Pump & Fan Motors ............

10

Replacement of Compressor

Overload and Relay ............................. 

10

Replacement of Temperature Control .. 

11

Magnetic Lock ...................................... 

12

Evaporator Assembly .......................... 

12

Refrigeration Test ................................

12

Trouble Shooting Guide ........................... 13

Exploded Views ......................................... 14-19

Wiring Diagrams ........................................ 20-24

Refrigeration 

Schematic ............................................

25

Cap Tube Specs ..................................

25

Refrigerant Charges ...........................

25

Prior authorization must be obtained from
Grindmaster Corporation for all warranty claims.

Grindmaster Corporation™
4003 Collins Lane
Louisville, KY 40245 USA
(502) 425-4776    (800) 695-4500
(800) 568-5715 (Technical Service Only)
FAX (502) 425-4776
www.grindmaster.com

Grindmaster Corporation, 1996
PRINTED IN USA

Patents Pending
0404 Form #CC-375-05
Part #3275

Summary of Contents for 1WD25-4

Page 1: ...ement of Temperature Control 11 Magnetic Lock 12 Evaporator Assembly 12 Refrigeration Test 12 Trouble Shooting Guide 13 Exploded Views 14 19 Wiring Diagrams 20 24 Refrigeration Schematic 25 Cap Tube Specs 25 Refrigerant Charges 25 Prior authorization must be obtained from Grindmaster Corporation for all warranty claims Grindmaster Corporation 4003 Collins Lane Louisville KY 40245 USA 502 425 4776 ...

Page 2: ......

Page 3: ...holes on the bottom of the unit arms will extend forward as shown in illustration See Figure B c Attach arms with screws provided 3 Leave sufficient air space 6 15cm on sides also rear of D35 triple for proper airflow and efficient operation See Figure C IMPORTANT Failure to provide required airspace can damage unit 4 Plug into properly grounded 3 prong outlet 5 Assemble bowl parts and drain trays...

Page 4: ...amps closest to the front of the bowl first PLACE BOWL GASKET ON BOWL Turn bowl upside down and place bowl gasket over the neck of the bowl Moisten gasket with water NOTE On D112 units place bowl gasket around cooling dome PUT BOWL ON BASE Place the neck of the bowl over center of the cooling plate and with a back and forth downward motion push bowl down into place NOTE On D112 units place bowl ov...

Page 5: ... the flat side of the motor shaft Push blade firmly into place REPLACE WHIPPER CHAMBER Replace whipper chamber by positioning the medium sized opening up and tilting 1 8 turn to the right Put whipper chamber over whipper blade and turn to the left until it locks into place 9 HANDLE SHOULDERS GO INTO V NOTCHES RINGSLEEVE DOWN VALVE HOLE SPRING VALVE HOLE SPRING 10 W IS WHIPPER VALVE TOP 14 LOOKING ...

Page 6: ...T AND RINSE THOROUGHLY CAUTION ABRASIVES WILL SCRATCH PLASTIC PARTS WASH BOWL LIDS IN COOL OR LUKEWARM WATER TO AVOID LEAKS DUE TO SEALED SURFACE BEING DAMAGED REMOVE LOCKDOWN WASHER S SANITIZE Immerse parts in sanitizing solution for 1 2 minutes Remove parts from sanitizing solution and drain DO NOT RINSE Place parts on a clean surface to air dry Wipe the machine condensate tray and cooling plate...

Page 7: ...rly aligned with the valve seat If an o ring becomes cut or worn it should be replaced If you are pumping a product which has excessive pulp a separate valve weight may be purchased to add extra weight so the o ring will press down against the pulp and guarantee a positive shut off 3 Valve Cap Use The Valve Cap Part 2039 insures that a tight valve seal will occur with products containing heavy pul...

Page 8: ...er D WD model 1161 Small Red Impeller E model 1008 Universal Impeller all models 3587 Valve O ring 1012 Bowl Gasket for D WD models 5 gallon or 3 gallon bowl 1013 Bowl Gasket for E model and or 9 liter bowl 2010 Bowl Gasket for 12 gallon SuperBowls D112 1150 Bearing Sleeve for 12 gallon Super Bowl D112 1983 New bearing sleeve flange approx 1 77mm thickness of penny or quarter Worn bearing sleeve r...

Page 9: ... 2 Bring both tops of the cover straps together above the bowl cover 3 Place padlock into the holes of the cover straps and lock together Note D35 only The top channel is interlocked into place on top of the bowls in the same manner as described above Interlock the side without the padlock first See Figure 2 SECOND SECTION FROM THE FRONT TOP ROW FRONT ROW TOP STANDARD 4 S FRONT STANDARD 3 S FRONT ...

Page 10: ...he security upright onto the security clamp using 2 cap nuts and 5 16 SS screws provided see drawing 7 Reassemble the bowls on the unit 8 Place the lockdown channel on top of bowls making sure the lockdown channel s opening slips into the security upright s notch SECURITY KIT INSTALLATION MINI MODELS Padlock 5 16 Screw Security Clamp Front of Unit Cap Nut Back of Unit Top Tray Lockdown Channel Sec...

Page 11: ...When installing or repairing the pump it is important to adjust the magnetic lock On page 5 are the instruc tions that should be followed for adjusting the magnetic lock See Figure N REPLACEMENT OF COMPRESSOR OVERLOAD AND RELAY Figure Q For Standard Whipper and Mini Models 1 Disconnect from power and remove front panel 2 Remove plastic cover A and lock wire E27s have a nut to unscrew B from compre...

Page 12: ...icate it with grease or petroleum jelly if possible 6 Slide the control into the copper tube inside the evaporator 7 Make sure the control slides into the tube the same distance as the old one Reseal the opening with putty or a similar substance 8 Bend excess tubing away from the fan blade 9 Reassemble the terminals screws and panels 10 The control is in approximate calibration and the bowl temper...

Page 13: ... assembly on a D25 you will have to remove the 2 bolts that connect the frame to the top tray on the left side and raise the frame slightly to slide the motor out 2 With a 3 32 Allen Wrench loosen the 2 set screws on the drive magnet and raise the magnet The magnet should be as close as possible to the evaporator cover without rubbing Tighten the set screws and replace the pump motor assembly Figu...

Page 14: ...Ream out impeller bearing if necessary Impeller must spin freely on bearing sleeve Raise drive magnet higher on motor shaft but not high enough to rub No Spray Spray Motor Doesn t Run Loose electrical connection to motor Faulty spray switch Faulty motor Drive magnet binds on plastic evaporator cover Locate and correct Replace spray switch Replace motor Relocate magnet NOTE Magnet should be about 1...

Page 15: ...Exploded View Standard and Whipper Models D15 D25 D35 WD Crathco Beverage Dispensers Page 14 ...

Page 16: ...Parts List Standard and Whipper Models Page 15 Crathco Beverage Dispensers ...

Page 17: ...Standard Whipper Components Crathco Beverage Dispensers Page 16 ...

Page 18: ...Exploded View Mini Models E27 9 or E47 9 Page 17 Crathco Beverage Dispensers ...

Page 19: ...Parts List Mini Models E27 9 or E47 9 Crathco Beverage Dispensers Page 18 ...

Page 20: ...Exploded View and Parts List HD15 Heated Models Page 19 Crathco Beverage Dispensers ...

Page 21: ... tea orange juice and viscous products D112 2023 Lock Washer D112 2231 Plastic Drip Tray D15 D25 D35 E27 E47 D112 HD15 and all WD models 2232 Plastic Drip Tray Grid D15 D25 D35 E27 E47 D112 HD15 and all WD models 2243 Stainless Steel Drip Tray D15 D25 D35 E27 E47 D112 HD15 and all WD models 2266 Dispense Valve Handle All Standard non whip 2305 Stainless Steel Drip Tray Grid D15 D25 D35 E27 E47 D11...

Page 22: ...Wiring Diagrams Standard Models 115V 220V Single Bowl D15 D155 D156 Double Bowl D25 D255 D256 Triple Bowl D35 D355 D356 Page 21 Crathco Beverage Dispensers ...

Page 23: ...Wiring Diagrams for Mini Models 115V 220V Models E27 E275 and E276 or E29 E295 and E296 Models E47 E475 and E476 or E49 E495 and E496 Crathco Beverage Dispensers Page 22 ...

Page 24: ...Wiring Diagrams Whipper Models Single Bowl WD15 Double Bowl 2WD25 1WD25 4 Triple Bowl 3WD35 2WD35 4 1WD35 4 Page 23 Crathco Beverage Dispensers ...

Page 25: ...Wiring Diagram for Heated Models HD15 WHD15 115V 60Hz and 230V 50Hz Crathco Beverage Dispensers Page 24 ...

Page 26: ...6 9 1 3 hp E17 50 1 8 E27 120 4 2 1 6 hp E275 6 89 3 1 E47 161 5 7 1 5 hp E475 6 161 5 7 D112 196 6 9 1 4 hp D1125 196 6 9 CAP TUBE SPECIFICATIONS Model OD ID Length GCS Part D15 073 031 76 2308 D25 087 036 60 1324 D25 088 036 52 2968 D35 093 042 66 3361 D112 097 042 97 1199 WD35 093 042 66 3361 Refrigeration Schematic Page 25 Crathco Beverage Dispensers ...

Page 27: ......

Page 28: ... Machines Crathco Hot Beverage Dispensers Crathco Cold and Frozen Beverage Dispensers American MetalWare 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 ...

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