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60

F238006

Section 4 Troubleshooting

© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT

15. DOOR UNLOCKING FUNCTION

NO

IS THE UNLOCK

DOOR LED ON

THE COMPUTER

FRONT PANEL

LIT?

YES

CHECK THE 1 AMP
DR FUSE AND
REPLACE IT AS
NEEDED.

TEST THE WATER LEVEL SWTCH AS FOLLOWS.
REPLACE THE WATER LEVEL SWITCH, AIR TRAP
AND/OR TUBING AS NEEDED.

A. CHECK THE AIR TRAP TUBING FOR LEAKS
AND/OR BLOCKAGE.

B. CHECK THE WATER LEVEL SWITCH WITH A
CONTINUITY TEST OR WITH AN OHMS TEST AT THE
FOLLOWING TERMINALS:

11 AND 12 (FOR LOW LEVEL)

21 AND 22 (FOR MEDIUM LEVEL)

31 AND 32 (FOR HIGH LEVEL)

THIS SHOULD BE A CLOSED CIRCUIT AT ALL THREE
POINTS THAT OPENS WITH AIR PRESSURE TO THE
SWITCH. BLOW INTO THE SWITCH TO PROVIDE AIR
PRESSURE. RELEASE THE AIR FROM THE SWITCH
AND MAKE SURE THAT ALL THREE LEVELS CLOSE.

NOTE: OPENING THE SWITCH WILL LIGHT THE LED
INPUT LEVEL INDICATORS ON THE DISPLAY.

5

1

3

4

2

IS THE DR LIGHT

ON THE

FUSEBOARD

BRIGHTLY LIT?

NO

IS THERE VOLTAGE (220

VOLTS) AT THE TWO

WIRES THAT GO TO THE

YA1 DOOR UNLOCK

SOLENOID (LOCATED

INSIDE OF THE DOOR BOX

AT THE 3 O'CLOCK

POSITION OF THE DOOR)?

CHECK THE YA1
FOR MECHANICAL
BINDINGS AND
REPLACE THE
SOLENOID AS
NEEDED.

CHECK FOR A CLOSED CIRCUIT ON
THE SB2 (THE WHITE MOMENTARY
DOOR UNLOCK PUSHBUTTON) WHEN
THE BUTTON IS PRESSED. IF THE
CIRCUIT ISN'T CLOSING, REPLACE
THE SB2.

YES

YES

NO

6

PHM1933S

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Содержание UW100PV Series

Страница 1: ...www comlaundry com PHM1380C Part No F238006 April 2003 Service Washer Extractor Pocket Hardmount UWPV Refer to Page 8 for Model Numbers...

Страница 2: ...alysis 51 12 Empty Alarm Analysis 54 13 Automatic Supply Dispenser Analysis 58 14 No Keypad Functions 59 15 Door Unlocking Function 60 16 Excessive Cycle Time 64 17 Excessive Vibration and or Noise Du...

Страница 3: ...T COPY or TRANSMIT 37 Flange Relay Removal and Installation 86 38 Vacuum Breaker 87 39 Door Gasket Removal and Installation 87 40 Bearings and Cartridge Seal Replacement 88 Mounting Instructions 92 41...

Страница 4: ...by specific instructions IMPORTANT The word IMPORTANT is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is not followed NOTE The word NOTE is u...

Страница 5: ...r extractor turn on all hot water faucets and let the water flow from each for several minutes This will release any accumulated hydrogen gas The gas is flammable Do not smoke or use an open flame dur...

Страница 6: ...ubstances may cause the fabric to ignite 17 Do not use fabric softeners or products to eliminate static unless recommended by the manufacturer of the fabric softener or product 18 Keep the washer extr...

Страница 7: ...r personal injury or property damage resulting from improper service Review all service information before beginning repairs Warranty service must be performed by an authorized technician using author...

Страница 8: ...Alliance Laundry Systems at 920 748 3950 for the name of the nearest authorized parts distributor For technical assistance call the following number 850 718 1026 Marianna Florida Nameplate Location W...

Страница 9: ...ection 2 Introduction Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Model Identification Information in this manual is applicable to these washer extractors UW35PV UW60PV UW80PV UW100...

Страница 10: ...anels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the washer extractor is properly grounded W461R1 WARNING Copyright Alliance Laund...

Страница 11: ...ibutor or the manufacturer for assistance UWPV Pocket Hardmount Water Supply Line Sizing Model Number of Machines Supply Line Size in mm Main Hot Cold 35 1 1 25 3 4 19 2 1 1 2 38 1 25 3 2 50 1 1 4 32...

Страница 12: ...in accordance with state and local codes If such codes are not available grounding must conform with the National Electric Code article 250 95 or accepted European standards for equipment labeled with...

Страница 13: ...ion sizes are shown below Control Module All electrical controls e g computer board buzzer water level switches and the door lock switch are located in a stainless steel enclosure mounted on top of th...

Страница 14: ...f valve to the washer extractor when applicable before servicing it Never start the washer extractor with any guards panels removed Whenever ground wires are removed during servicing these ground wire...

Страница 15: ...HE FUSEBOARD BETWEEN PINS 1 AND 4 RETURN TO THE TOP CHECK EACH OF THE ABOVE STEPS CAREFULLY ALSO ON THE J2 WHITE TRANSFORMER PLUG ON THE FUSEBOARD MAKE SURE THAT THERE IS VOLTAGE BETWEEN PIN 1 TO GROU...

Страница 16: ...F238006 15 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 17: ...CT SWAP ANY 2 WIRES OF CABLE BETWEEN AC DRIVE AND MOTOR 2 REFER TO PROGRAMMING MANUAL FOR DETAILED INSTRUCTIONS TO OPERATE SUPPLIES SUPPLY 5 OUTPUT PROVIDES POWER TO SWITCH RELAYS KA1 KA2 IN ORDER TO...

Страница 18: ...5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 HT J4 1 1 10VDC T1 A DN J3 1 5 10VDC T1 A J3 1 4 DR 1 2 A J3 1 2 J3 1 3 A2 A3 1 2 A 1 2 A J3 1 1 A1 AP 1 WE 6 FUSEBOARD ACN J6 1 2 1 2 A J6...

Страница 19: ...VOLTS ON THE J2 WHITE TRANSFORMER PLUG ON THE FUSEBOARD BETWEEN PINS 1 AND 4 RETURN TO THE TOP CHECK EACH OF THE ABOVE STEPS CAREFULLY ALSO ON THE J2 WHITE TRANSFORMER PLUG ON THE FUSEBOARD MAKE SURE...

Страница 20: ...F238006 19 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 21: ...SED CONTACTS NORMALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TERMINAL POS...

Страница 22: ...R C1 J2 1 1 J2 1 2 J2 1 3 J2 1 4 J4 1 2 220V CONTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 H...

Страница 23: ...EBOARD THAT CORRESPOND TO THE LIGHTS THAT SHOULD BE LIT INTACT NO REPLACE THE FUSES NO IS THE RIBBON CABLE BETWEEN THE MICROPROCESSOR AND THE FUSEBOARD INTACT YES REPLACE THE RIBBON CABLE NO THERE IS...

Страница 24: ...F238006 23 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 25: ...NORMALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TERMINAL POSITIONS ARE TH...

Страница 26: ...1 1 J2 1 2 J2 1 3 J2 1 4 J4 1 2 220V CONTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 HT J4 1 1...

Страница 27: ...st task in this process is to determine which valve is staying on If it is one of the four main valves i e hot spray hot fill cold spray or cold fill this may be done by individually shutting off the...

Страница 28: ...F238006 27 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 29: ...YPICAL RELAY NORMALLY CLOSED CONTACTS NORMALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY...

Страница 30: ...EUSE HARNESS CONNECTOR C1 J2 1 1 J2 1 2 J2 1 3 J2 1 4 J4 1 2 220V CONTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4...

Страница 31: ...SWITCH CLOSING I E IS THERE A CLOSED CIRCUIT AT J7 2 1 AND J7 2 2 ON THE INTERFACE BOARD NO 1 YES THE WE 6 DISPLAY READS CLOSE DOOR CHECK THE WIRING BETWEEN THE INTERFACE BOARD AND THE SQ3 SWITCH IF...

Страница 32: ...F238006 31 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 33: ...LY CLOSED CONTACTS NORMALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TERMIN...

Страница 34: ...ONNECTOR C1 J2 1 1 J2 1 2 J2 1 3 J2 1 4 J4 1 2 220V CONTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J...

Страница 35: ...THE FUSEBOARD MUST BE TURNED ON PLEASE DOUBLE CHECK REFER TO THE YES PART OF THE FIRST QUESTION IF THE WIRING IS OKAY IS THERE VOLTAGE 120 VOLTS INTO AND OUT OF THE E STOP SWITCH SB1 4 CHECK THE WIRI...

Страница 36: ...F238006 35 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 37: ...TACTS NORMALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TERMINAL POSITIONS...

Страница 38: ...NTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 HT J4 1 1 10VDC T1 A DN J3 1 5 10VDC T1 A J3 1 4...

Страница 39: ...160 Control Logic H Control Voltage High 12 Volts DC Logic 0 L Control Voltage Low 1 Volt DC Logic 1 Voltage Reading Pos Volts DC 4 2 1 6 8 5 Input Status Voltage Reading Neg Volts DC 3 3 3 3 3 3 Para...

Страница 40: ...L L x 0 0 1 0 0 1 1 Half Wash Rev 27 1 H H L L L H x 0 0 1 0 1 1 0 Wash Fwd 28 2 H L H H L L x 0 1 0 0 0 1 1 Wash Rev 28 2 H L H L L H x 0 1 0 0 1 1 0 Distribution 73 4 L H H H L L x 1 0 0 0 0 1 1 Sp...

Страница 41: ...H L H L L 0 0 1 1 0 0 1 1 Half Wash Rev 73 4 H H L L L H 0 0 1 1 1 0 1 0 Wash Fwd 28 2 L H H H L L 1 0 0 1 0 0 1 1 Wash Rev 28 2 L H H L L H 1 0 0 1 1 0 1 0 Distribution 27 1 H L H H L L 0 1 0 1 0 0 1...

Страница 42: ...F238006 41 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 4 pages for wiring diagram information...

Страница 43: ...J11 1 5 12 11 J2 5 7 J1 P W SQ1 SA1b W D I P CONNECTOR WRITE INHIBIT 16 PIN DIP SOCKET 1 2 3 4 5 6 7 1 2 3 4 5 6 7 C1 C C C C C C C SEE REUSE IN UPPER R H4 H1 B 6 2 1 1 1 1 DETAIL B BUCK BOOST TRANSF...

Страница 44: ...A J6 1 5 S3 1 2 A J6 1 6 S2 1 2 A J6 1 7 S1 KA4 7 8 M2 TO TERMINAL S5 ON FUSEBOARD J15 1 6 YV10 J15 1 15 J15 1 4 YV4 J15 1 13 J15 1 3 YV2 J15 1 12 J15 1 2 YV3 J15 1 11 J15 1 1 YV1 J15 1 10 J15 1 5 KM...

Страница 45: ...MALLY CLOSED CONTACTS NORMALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TER...

Страница 46: ...J4 1 2 220V CONTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 HT J4 1 1 10VDC T1 A DN J3 1 5 10...

Страница 47: ...NG AND THERE IS AN APPARENT AC DRIVE FAULT PRESENT YES INSTALL A PARAMETER UNIT AND FIND THE AC DRIVE FAULT PRESENT REFER TO THE NO MOTOR OPERATION WITH NO AC DRIVE FAULT FLOW CHART FIND THE FAULT COD...

Страница 48: ...r to reference point 1 on the No Motor Operation with No AC Drive Fault schematic Secondary Checks a Using a parameter unit check the parameter set for your motor AC drive combination NOTE Contact the...

Страница 49: ...ent and excess belt tension 08 08 08 Over Temperature Fault Excessive heat detected by heatsink transducer Clear blocked or dirty heatsink fins Check ambient temperature Check for blocked or nonoperat...

Страница 50: ...lt Internal power module overcurrent limit exceeded Check for short circuit at the drive output or excessive load conditions at the motor specifically cable capacitance to ground 45 IPM Overtemp Fault...

Страница 51: ...R IS RUNNING WITH A NORMAL SIZE LOAD YES WHEN THE WE 6 COMPUTER IS ENGAGED IN A HIGH SPEED EXTRACT E G MS H1 H2 OR H3 IS THE BASKET ROTATING IS AN AC DRIVE FAULT PRESENT YES NO IS THE BASKET ROTATING...

Страница 52: ...K THE 1 AMP DN FUSE ON THE FUSEBOARD REPLACE IT IF NEEDED NO YES REFER TO THE NO FILL ANALYSIS FLOWCHART AT POINT A NO TEST ALL FILL STEPS TO HIGH LEVEL E G CHXXXX COLD FILL TO HIGH LEVEL HHXXXX HOT F...

Страница 53: ...Y OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TERMINAL POSITIONS ARE THE SAME...

Страница 54: ...CONTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 HT J4 1 1 10VDC T1 A DN J3 1 5 10VDC T1 A J3...

Страница 55: ...R TUBING AS NEEDED A CHECK THE AIR TRAP TUBING FOR LEAKS AND OR BLOCKAGE B CHECK THE WATER LEVEL SWITCH WITH A CONTINUITY TEST OR WITH AN OHMS TEST AT THE FOLLOWING TERMINALS 11 AND 12 FOR LOW LEVEL 2...

Страница 56: ...F238006 55 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 57: ...ORMALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TERMINAL POSITIONS ARE THE...

Страница 58: ...TROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 HT J4 1 1 10VDC T1 A DN J3 1 5 10VDC T1 A J3 1 4...

Страница 59: ...minal and the common terminal on the XT3 terminal strip NOTE The XT3 terminal strip is located toward the back of the control module next to the power input block Step Description Program Min sec 1 Wa...

Страница 60: ...E DISPLAY CHANGE INDICATING THAT THE COMPUTER HAS GONE INTO THE CYCLE THAT HAS BEEN SELECTED E G DOES THE NEXT09 DISPLAY CHANGE TO XX0109 YES PRESS THE START BUTTON ON THE KEYPAD DO YOU HEAR A SINGLE...

Страница 61: ...GH LEVEL THIS SHOULD BE A CLOSED CIRCUIT AT ALL THREE POINTS THAT OPENS WITH AIR PRESSURE TO THE SWITCH BLOW INTO THE SWITCH TO PROVIDE AIR PRESSURE RELEASE THE AIR FROM THE SWITCH AND MAKE SURE THAT...

Страница 62: ...F238006 61 Section 4 Troubleshooting Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Please refer to the following 2 pages for wiring diagram information...

Страница 63: ...MALLY OPEN CONTACTS COMMON COIL ODD NUMBERED CONTACTS ARE ISOLATED FROM EVEN NUMBERED CONTACTS BUT OPERATE SIMULTANEOUSLY TERMINAL NUMBERS MAY VARY FROM RELAY TO RELAY BUT TERMINAL POSITIONS ARE THE S...

Страница 64: ...V CONTROLS ACN ACH R C ACH ACN TO ELV DEVICES 1 2 A J5 1 5 HS 1 2 A J5 1 4 HF FU4 125mA 1 2 A J5 1 3 CS E1 1 2 A J5 1 2 CF J4 1 3 J4 1 4 E2 E3 1 2 A J5 1 1 HT J4 1 1 10VDC T1 A DN J3 1 5 10VDC T1 A J3...

Страница 65: ...s NOTE All pre programmed fill times are for 5 minutes Any fill should easily complete during this time b Drain Time 1 Look for excessively long programmed drain times i e greater than one minute NOTE...

Страница 66: ...he basket at the front of the tub Check for any up and down play that would indicate bearing wear 3 Replace the bearings as needed 18 STOP DONE SITUATION IN MID CYCLE If the washer extractor stops in...

Страница 67: ...rive interface board and then to the output board From QFIB the common goes to the output board connector J2 1 1 All of the neutral common wires in the control circuitry are connected together electri...

Страница 68: ...n the center of the fuse board 12VDC is supplied to the microcomputer board via a 26 conductor ribbon cable Each of the 20 outputs on the fuse board is connected to the ACH input through a solid state...

Страница 69: ...RICAL TESTING Required equipment for electrical testing includes a digital or analog multimeter and an AC drive parameter unit The parameter unit is used for troubleshooting for diagnosing problems be...

Страница 70: ...scale as outlined in the meter s operating instructions Place one lead on each terminal Refer to Figure 3 Depress the switch button If the switch is making contact the needle on the meter will move t...

Страница 71: ...keys applying only enough pressure to activate them 1 Test the keyboard first with the keymode switch located on the left side of the control module in the RUN position A beep tone should sound as ea...

Страница 72: ...ype and rating If the display indicates a DOOR alarm a The computer has detected an unlocked door b Check the switch activator on the door lock extension arm c Check the door lock switch d Check the i...

Страница 73: ...ragraph 30 If the display indicates a TEMP alarm a If this alarm is displayed the temperature sensor has recognized an over temperature limit condition b Adjust the water temperature as needed If the...

Страница 74: ...washer extractor is properly grounded W461R1 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT f Reinstall the computer board cover with the nut g Turn the power on and test the...

Страница 75: ...TO THIS SWITCH AC DRIVE POWER OUT P003S RACEWAY CE OPTION SHIELDED MOTOR CABLE CONNECTOR J12 1 J15 1 J10 1 C1 C2 EMI FILTER FOR CE OPTION FU3 PE XT3 XT1 XT1 POWER INPUT BLOCK XT3 CONNECTION EXTERNAL...

Страница 76: ...lly seating the plug into the socket e Disconnect the 26 conductor ribbon cable connector at J1 by pushing on the ears refer to Figure 6 f Disconnect the remaining 16 conductor ribbon cable connector...

Страница 77: ...into place Refer to Figure 7 NOTE If the board is being replaced remove the R C network for installation of the new board Refer to Figure 8 Some R C networks are not removable In these cases the repl...

Страница 78: ...damaged keymode switch may include the following If the following symptoms occur replace the keymode switch refer to the machine s parts manual for keymode switch part numbers a The computer display d...

Страница 79: ...rning the screw clockwise increases the displayed WE 6 temperature Turning the screw counterclockwise decreases the displayed WE 6 temperature i When the temperatures match calibration is completed Cl...

Страница 80: ...ver back slightly until it can be removed Remove the top cover c Loosen the screw that attaches the AC drive partition to the control module Remove the AC drive partition Refer to Figure 12 d Mark the...

Страница 81: ...high pitched sound check the voltage The rotor could also be out of alignment with the stator b If a motor has a reduced torque check that the current draw in each leg is the same If it varies more th...

Страница 82: ...Do not completely tighten the bolts The motor will need to be adjustable until the belt is re tensioned d Reinstall the belt e Reposition the motor until the belt reaches the same tension as before th...

Страница 83: ...Reinstall any panels that were removed in Step b Checking Belt Tension and Deflection a Turn off power to the machine b Remove the screws attaching the cage wrap and back panels to the machine Remove...

Страница 84: ...as an air reservoir so that water does not rise into the tube that connects the switch to the air trap A pressure differential is created in the air trap as the machine fills with water This results...

Страница 85: ...top cover c Remove the header Refer to Figure 21 d Depress the retaining clip on the back of the pressure switch Remove the pressure switch Refer to Figure 21 e Remove the tubing from the pressure swi...

Страница 86: ...following 1 Check the motor winding for continuity a short circuit or an abnormal drop in voltage Replace the drain valve motor as needed consult the machine s parts manual for drain valve motor part...

Страница 87: ...NG Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 38 VACUUM BREAKER If the machine s vacuum breaker is leaking verify that water pressure to the machine is between 30 and 85 psi If the...

Страница 88: ...DO NOT COPY or TRANSMIT 40 BEARINGS AND CARTRIDGE SEAL REPLACEMENT a Remove the three screws and the door lock cover from the front of machine Refer to Figure 27 b Disconnect the spray rinse hose from...

Страница 89: ...ght Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Figure 29 UW35 PHM196K 1 Shell band 2 Rubber Trim 3 Shell front 4 Basket 5 Shell 6 Stiffener plate 7 Rear bearing 8 Front and rear bearing deta...

Страница 90: ...es Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Figure 30 UW60 UW80 UW100 and UW125 PHM197K 1 Shell band 2 Rubber Trim 3 Shell front 4 Basket 5 Shell 6 Stiffener plate 7 Gasket 8 Car...

Страница 91: ...Tighten those bolts equally until the bolts force the bushing from the hub Remove the pulley Refer to Figure 31 i If the machine s bearings are similar to Figure 32 old style bearing loosen the lock c...

Страница 92: ...at shaft diameter is within the 0 000 0 004 inches in tolerance Refer to Table 1 Measure the location on the shaft where the bearings will be mounted Check the end of the shaft for any burrs or lips c...

Страница 93: ...aft advance the basket shaft and mate it with the alignment shaft One person should be at the rear of the machine to hold pressure against the alignment shaft and another person should align the baske...

Страница 94: ...til they are tightened to 80in lbs of torque The Allen wrench is designed to flex approximately 3 4 inches when 80 in lbs is achieved v Recheck each set screw and retighten them as needed No threads s...

Страница 95: ...Apply power to machine k Start and run the machine in medium spin for 30 seconds to allow the bearing race to align l Apply loctite to the set screw threads m Tighten the rear bearing collar s set sc...

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