Service Procedures for the Model MLG33 Dryer
Contents
1. Q Service Procedures for the Model MLG33 Dryer Hot Surface Ignitor Gas Maytag Co 403 West Fourth Street North Newton lowa 50208 641 787 7000 Part No 450266 Retain This Manual in a Safe Place for Future Reference This product embodies advanced concepts in engineering design and safety If this product is properly maintained it will provide many years of safe efficient and trouble free operation Only qualified technicians should service this equipment OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation manual included with the dryer The following FOR YOUR SAFETY caution must be posted near the dryer in a prominent location FOR YOUR SAFETY POUR VOTRE SECURITE Do not store or use gasoline Ne pas entreposer ni utiliser d essence or other flammable vapors ni d autres vapeurs ou liquides and liquids in the vicinity of inflammables a proximite de cet this or any other appliance appareil ou de tout autre appareil We have tried to make this manual as complete as possible and hope you will find it useful The manufacturer reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models The illustrations included in this manual may not depict your particular dryer exactly IMPORTANT For your convenience log the following information MODEL NO M2. Electrical Panel Sail Switch and Axial Probe Assembly 0008 Exhaust Probe Exhaust Hi limit and Lint Drawer Switch Part Locations and Removal MIDDLE PANEL REMOVAL Remove the four screws along bottom of panel Next remove four screws along top of panel LOWER FRONT PANEL REMOVAL Remove the lint drawer Remove the four screws located just below the loading door Tilt the top of the panel out and lift the panel up and away from the dryer UPPER FRONT PANEL REMOVAL Remove the four screws located just above the top loading door Tilt the bottom of the panel out and lift the panel up and away from the dryer TOP COVER REMOVAL First remove the back guard the four screws holding top cover Next pull top cover toward the rear of the dryer and lift up 4 Maytag Co Tilt the top of the panel out disconnect electrical connection to computer panel lift panel and unhook support brackets 450266 1 LINT BOX BLOWER ASSEMBLY REMOVAL Unplug the motor harness Remove two screws just above the lint drawer and pull the lint box down from the front and out slightly Unplug the exhaust temperature probe Unplug two connections on the exhaust hi limit at the left of the lint box The lint box may now be pulled out through the front of the dryer EXHAUST HI LIMIT housing cover lint screen and the four screws shown with arrows Pull the motorized impellor ass
3. LG 33 DATE OF PURCHASE DISTRIBUTOR S NAME SERIAL NUMBER S For replacement parts contact the distributor from which the dryer was purchased or contact MAYTAG 403 West Fourth St North Newton lowa 50208 641 787 7000 IMPORTANT NOTE TO PURCHASER Information must be obtained from your local gas supplier on the instructions to be followed if the user smells gas These instructions must be posted in a prominent location near the dryer IMPORTANT You must disconnect and lockout the electric supply and the gas supply or the steam supply before any covers or guards are removed from the machine to allow access for cleaning adjusting installation or testing of any equipment per OSHA Occupational Safety and Health Administration standards Please observe all safety precautions displayed on the equipment and or specified in the installation manual included with the dryer CAUTION Dryer s should never be left unattended while in operation Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper operation Attention Lor des operations d entretien des commandes tiqueter tous fils avant de les d connecter Toute erreur de c blage peut tre une source de danger et de panne WARNING Children should not be allowed to play on or near the dryer s Children should be supervised if near dryer s in operation Under no circumstances should the
4. dryer door switch es lint door drawer switch es or heat safety circuit s ever be disabled The dryer must never be operated with any of the back guards outer tops or service panels removed Personal injury or fire could result The dryer must never be operated without the lint filter screen in place even if an external lint collection system is used FOR YOUR SAFETY Do not dry mop heads in the dryer Do not use dryer in the presence of dry cleaning fumes The dryers must not be installed or stored in an area where it will be exposed to water and or weather The wiring diagram for the dryer is located in the front electrical control box area Table of Contents Part Locations and Removal ccscssensces Lower Front Panel Removal cccccceeeececeececsceceaees Upper Front Panel Removal cccsccceceeeeeeeeeeeeees Top Cover Removeal Middle Panel Removal Lint Box Blower Assembly Removal cccceseceseeees Gas Valve Ignition System Removal 0scceeeeeeees Oven Chamber Removal Gas Valve Ignition System Components 008 Oven Housing Components cccccsseeeeeeeseeeeeeeeeaeees Tumbler Support Wheel Assembly Replacement ccccceeeeseeeeeeees Tumbler Alignment Belt Replacement Placing the Belt Back on the Motor Sheave Electrical Component Locations
5. embly out through the opening 450266 1 GAS VALVE IGNITION SYSTEM REMOVAL Be sure to shut off the gas main and then proceed to remove electrical connections and screws indicated Remove lower front panel Disconnect union and screws noted with arrows The gas valve and burner orifice can now be carefully pulled toward the front of the dryer Be sure to pull the assembly straight back so as not to strike the very fragile carbon ignitor With the assembly partly out of the oven the ignitor and the two gas valve electrical connections can be disconnected At this point the assembly can be removed from the dryer Replace assembly in the reverse order but make sure the tab at the rear of the assembly engages into the oven base slot Inspect all wires to be sure all lead directly toward the front of the dryer Be sure no wires are caught on the burner tube or ignitor Maytag Co 5 OVEN CHAMBER REMOVAL The oven chamber can be removed after the gas valve ignition system has been removed Remove the two screws indicated by the arrows Pull the oven housing part way out through the front and disconnect all wire connections The oven housing can now be removed Replace assembly by leading the housing cone into the hole in the rear wall Replace screws and wire connections BURNER TUBE D F SOR GAS VALVE 6 Maytag Co OVEN HOUSING COMPONENTS 1 OVEN CHAMBER i pes y HEAT SENSOR
6. f e BURNER HIGH LIMIT TUMBLER SUPPORT WHEEL ASSEMBLY REPLACEMENT The front wheel assemblies can be replaced with the lower front panel removed Remove the three bolts by reaching upward with a socket or box wrench The illustration below is provided to show the location of these wheels as the wheels cannot easily be seen while standing in front of the dryer The left rear wheel assembly can be removed with just the back guard removed The rear right wheel requires removing the back guard heat duct and oven Be sure to mark the position of rear wheel brackets prior to removal refer to page 7 450266 1 All wheel assemblies are mounted on slots to allow for alignment of the tumbler After one or more wheel assemblies are replaced the tumbler must be realigned TUMBLER ALIGNMENT Proper alignment is achieved by making the gap between the tumbler and openings in the front and rear bulkheads equal on all sides The front to bulkhead may be checked for accuracy by using a thickness gauge The rear gap is not accessible Marking the position of the rear wheel brackets before removing the brackets will help in replacing the tumbler back into It s original position when the wheel brackets are reinstalled 450266 1 Maytag Co Adjust the tumbler position by loosening the three bolts and forcing the wheel assembly toward the center of the dryer to raise the tumbler and to move it away from the side A large screwdri
7. t slowly to ensure it is on the sheave completely Tighten the motor adjustment nut to position previous set 8 Maytag Co 450266 1 Electrical Component Locations ELECTRICAL PANEL SAIL SWITCH AND AXIAL PROBE ASSEMBLY The electrical panel is located behind the front middle Located behind back guard Access doors are panel provided Back guard does not have to be removed AXIAL PROBE ROTATIONAL SENSOR _ _ Bee aT a aif 1 3 za COMPUTER WY VEN S ee Ees f motes a et 1 a a Be DOOR SWITCH i Cy ki i Jo a a ae ak oe t EXHAUST PROBE EXHAUST HI LIMIT AND LINT DRAWER SWITCH Temperature probe and exhaust hi limit are accessible without the lint box being removed The lint drawer switch can be removed after the lint box is and the cover has been removed LINT DRAWER SWITCH TEMPERATURE EXHAUST HI LIMIT 450266 1 Maytag Co 9 Part No 450266 1 09 19 05 0
8. ver can provide the necessary leverage Adjustment of the front of the tumbler is made by equalizing the gap on the top bottom left and right by moving the wheel assemblies EXAMPLES Below both wheel assemblies must be moved to the right in order to move the tumbler right The left wheel assembly must move a little more than the right in order to lift the tumbler Below both wheel assemblies are adjusted correct and spacing is even on all sides N BELT REPLACEMENT Shut off electrical power to the dryer Lockout and tag out supply voltages Follow the steps to remove front middle panel Next you will remove either the front bottom or front upper panel depending on pocket you are working on Remove the belt from the motor sheave Next remove the two screws fastening the lint coupe to the front panel Remove the front panel screws while holding up the basket Tilt the top of the front panel forward Take note of position of motor adjustment nut spin counterclockwise to loosen tension The old belt can now be removed Slide the new belt around basket and push belt to a position close the motor sheave PLACING THE BELT BACK ON THE MOTOR SHEAVE Place belt installation tool BIT over belt Fig 1 and rotate in a clockwise direction While rotating run BIT under motor sheave Fig 2 Continue to spin BIT belt will then wrap under motor sheave Fig 3 Remove BIT from dryer Fig 4 Next you want to rotate baske
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