manualshive.com logo in svg

Maytag Neptune MAH9700, Technical Training Manual

Share
Download
Maytag Neptune MAH9700 Technical Training Manual Download Page 18

 12

Slide 37- 

Safety Thermostat and Thermistor  

Slide 38

 

Thermistor                        

Resistance - 10,000 ohms @77F 

Increases with temp increase

TH1 Thermostat  185F

 

Slide 39

 

The machine control monitors the change in the 

Thermistor resistance caused by an increase in 

temperature to control the operating temperature 

TH1 thermostat is a normally closed switch that opens due to excessive duct 

temperature. If TH1 opens, the motor and heating element are de-energized

TH1

Thermistor

 

 

Summary of Contents for Neptune MAH9700

Page 1: ...Maytag Neptune 27 Dryer Maytag Technical Training Services 2005 L2005 006...

Page 2: ......

Page 3: ......

Page 4: ......

Page 5: ...Maytag Neptune 27 Dryers Premium MAH9700 Gas and Electric Slope Front Console Matches the 9700 and 8700 washers Entry Level MAH6700 Gas and Electric Flat Front Console Stackable Slide 2 Maytag Neptune...

Page 6: ...s Dry Bower 180CFM Normal Dry Venting Back Sides Bottom More Dry Duct length 80 FT Maximum Very Dry Color White Very Dry Dimensions Temperature Selection Dryer Width 27 Extra Low Dryer Depth 30 375 Lo...

Page 7: ...is no different than current product Follow the Installation instructions shipped with the dryer and observe all codes Slide 6 Slide 7 Remove the screw securing the electrical cover Follow the instruc...

Page 8: ...sive vibration Don t drag the dryer across rough surfaces with leveling legs extended Damage to the legs could occur Slide 9 Observe Vent Installation Warnings Slide 10 Follow the information in the u...

Page 9: ...Slide 11 Door Reversal Slide 12 Remove four screws and door strike Remove two screws securing door hinge Slide 13 Install the door hinge on the opposite side Install the door strike and two fill screw...

Page 10: ...t can be changed at this point The door glass lifts out Remove inner panel Slide 16 To remove the outer door shield release the locking tabs as you force the shield out of the door panel Note There wa...

Page 11: ...5 Slide 17 9700 Controls Slide 18 9700 Dryer Options Slide 19 9700 Base Cycles...

Page 12: ...6 Slide 20 Light Bulb Slide 21 The light bulb must be changed from the inside of the tub Remove lens screw and cover Slide 22 The 10 Watt 120 VAC rated bulb unscrews from the socket...

Page 13: ...lide 23 Removing the Top Slide 24 Remove 2 screws Lift the rear of the top panel and pull back Slide 25 The slot in the top panel slides around the base of the screw head securing the top to the cabin...

Page 14: ...ur screws securing each baffle in place The screws can be found at the seams in the sound dampening material Slide 28 Replacing a Drum Baffle Slide 29 Remove the two screws securing the control board...

Page 15: ...y Remove the four screws securing the console to the back guard Slide31 Roll the console back as you lift the bottom up and in There are 4 plastic tabs on the bottom of the console that align with slo...

Page 16: ...32 Removing the Front Panel Slide 33 Remove four screws across the top of the front panel Slide 34 Remove two screws located at the bottom of the door Pull the front panel forward and unplug the light...

Page 17: ...e 35 Lift the front panel off the three tabs across the bottom and remove Slide 36 Component Location Motor Blower Assembly Heating Element Light Bulb Assembly Safety Thermostat Thermistor Sensor Bars...

Page 18: ...rmostat 185F Slide 39 The machine control monitors the change in the Thermistor resistance caused by an increase in temperature to control the operating temperature TH1 thermostat is a normally closed...

Page 19: ...ely 10 000 OHMS 77F and increase with a temperature rise A resistance check across TH1 thermostat should indicate a closed switch Slide 41 Removing the Heating Element Slide 42 TH2 Thermostat Hi Limit...

Page 20: ...14 Slide 43 Remove screw rotate heater assembly and pull out Slide 44 As you remove the heater assembly unplug the wires on the heating element and safety stats...

Page 21: ...n assembly The Hi Limit and Safety Thermostat are replaceable items TH2 Hi Limit Thermostat 260F TH3 Safety Thermostat 320F Slide 46 Installing the Heater Assembly Slide 47 Align the detents in the he...

Page 22: ...16 Slide 48 Align the tab on the top of the mounting bracket into the slot in the heater housing Slide 49 Removing the Front Bulkhead Slide 50 Remove two screws to remove the console back guard...

Page 23: ...nnect wires to light Lift up and out to remove the bulkhead Remove four screws Disconnect sensor wires Slide 52 The drum rides on the front and rear rollers A foam gasket is used between the blower in...

Page 24: ...ture Sensor Slide 54 Remove screw Remove sensor bars Slide 55 Check across the two leads to the sensor bars the circuit should be open Short across the sensor bars the resistance should be less than 1...

Page 25: ...19 Slide 56 Belt Service Slide 57 Idler Pulley Spring loaded idler arm Belt Switch Slide 58 The belt can be removed and installed from the front of the machine...

Page 26: ...0 Slide 59 Accessing the Belt from behind the dryer Slide 60 Remove five screws to remove vent tube and cover Slide 61 Accessing the belt from the rear allows a clear view of the motor belt and pulley...

Page 27: ...de against tub Slide 63 Belt Switch Slide 64 Belt Engaged Plunger out Switch Closed Belt Off Plunger pushed in Switch open The belt switch acts as a safety to insure the motor and heater cannot operat...

Page 28: ...the belt with the other Lift the tub and slide out the front Carefully spread the cabinet as needed to gain additional clearance Slide 67 Removing the Motor Blower Assembly Slide 68 Remove the two scr...

Page 29: ...ed access is gained to the screw at the bottom of the blower housing Remove the screw under the thermistor Slide 70 Remove two screws securing the motor bracket to the base Unplug the motor wire harne...

Page 30: ...ter and lift This will disengage the tabs on the motor from the slots in the base Slots in base Tabs on the bottom of the motor bracket Slide 72 14mm left handed thread Remove the 14mm nut securing th...

Page 31: ...25 Slide 73 Remove the three screws securing the blower housing to the motor bracket Slide 74 Use a wide blade screwdriver or nut driver to pop off the motor retention clamps...

Page 32: ...26 Slide 75 1 3 HP Split Phase Motor 120 VAC 5 9 Amps...

Page 33: ...l Align the holes in the motor and idler brackets and install a rod or small screwdriver to lock the idler arm This will ease the belt installation process Slide 77 On completion of the reassembly rem...

Page 34: ...28 Slide 78 Checking the Motor 1 5 4 2 Slide 79 Motor winding identification Slide 80 Check across 4 and 5 to check the motor windings and overload Resistance reading should be approximately 2 Ohms...

Page 35: ...29 Slide 81 Check across 1 and 2 to check the centrifugal switch The circuit should be open Slide 82 Removing the Rear Bulkhead Slide 83 Remove 7 screws from the back...

Page 36: ...30 Slide 84 Lift the rear bulkhead off the right and left side hangers Slide 85...

Page 37: ...31 GAS DRYER Slide 86 9700 Gas Dryer Slide 87 27 Gas Dryer 9700 Gas unit is shipped with sealant on the pipe threads...

Page 38: ...32 Slide 88 Gas Burner Service Slide 89 Replacing the Igniter Loosen the single screw securing the igniter to the burner assembly Slide the igniter back and remove...

Page 39: ...33 Slide 90 Removing the Burner Shut off gas supply Disconnect gas line Remove two screws securing burner to bracket...

Page 40: ...ving the burner assembly be careful not to damage the igniter bar Slide 92 To remove the burner housing remove two screws securing the housing to the burner bracket The screws are hard to see from the...

Page 41: ...ty Thermostat Slide 94 The radiant sensor flame switch is a normally closed switch When a burner flame is established the heat from the flame heats the sensor to open it A resistance check across the...

Page 42: ...36 Slide 95 TH2 is a normally closed Hi Limit safety The resistance across the terminals should be less than 1 OHM Slide 96 Use a screwdriver to release wire connectors from valves...

Page 43: ...97 1 2 3 Check the booster coil across terminals 1 and 3 Resistance should be approximately 550 OHMS Slide 98 Check the holding coil across terminals 1 and 2 Resistance should be approximately 1350 OH...

Page 44: ...can be checked in series across terminals 2 and 3 Resistance should be approximately 1900 OHMS 1 2 31 2 3 Slide 100 Check the secondary coil across terminals 4 and 5 Resistance should be approximatel...

Page 45: ...chnical Data Sheet shipped with the product for detailed information for the model you are servicing Follow all Caution and Safety Warnings Slide 102 Interior lamp not found on 6700 Maytag Neptune 970...

Page 46: ...40 Slide 103 Interior lamp not found on 6700 Maytag Neptune 9700 6700 27 Gas Dryer Schematic...

Page 47: ...eys for 3 seconds or until 3 beeps are heard The machine will now be in Service Mode Upon entry into Service Mode the Sensor Bar Touch Data is to be displayed Exit Service Mode Press the OFF key to ex...

Page 48: ...for this test to pass PA will be displayed for five 5 seconds once all switch pads have been pressed and this test is completed Following 10 seconds of inactivity at any point the test will exit witho...

Page 49: ......

Page 50: ......

Page 51: ......

Page 52: ...Be Aware Be Alert Always work safely On the Job On the Road In the Home Every Time All the Time...

Reviews:

No comments

Brands by name

Popular brands

Load more brands