Heartland Appliances Metro Service Manual

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SERVICE MANUAL

for

HEARTLAND

Model 3520 - 30" Legacy

APPLIANCES

Metro & Legacy

Lines

Model 3525 - 30" Metro

Diagnosis Charts

Service Procedures

Component Data

Model 3620 - 36" Legacy

Model 3625 - 36" Metro

Heartland Appliances Inc.

Manual No. MLSM010601

Part# 0910

MLSM2003-01-03

Table of Contents

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Summary of Contents for Heartland Appliances Metro

Page 1 ® SERVICE MANUAL HEARTLAND Model 3520 - 30” Legacy APPLIANCES Metro & Legacy Lines Model 3525 - 30” Metro Diagnosis Charts Service Procedures Component Data Model 3620 - 36” Legacy Model 3625 - 36” Metro Heartland Appliances Inc. Manual No. MLSM010601...
Page 2 Any attempt to repair a range may, if improperly performed, result in personal injury or property damage. Heartland Appliances cannot be re- sponsible for the interpretation of this manual, nor can it assume any liability in connection with its use. For addi- tional safety information, see page 5 of this manual.
Page 3: Table Of Contents
Contents Section 1: Safety Information ......5 Section 2: Parts & Warranty Information..... 7 Section 3: Technical Specifications ....9 Section 4: Problem Diagnosis Charts ..11-16 Section 5: Repair Procedures ..... 17-56 Section 6: Wiring Diagrams Models 3520/3525 ..........57 Models 3620/3625...........58 Section 7: Exploded Views and Parts List ..59-60 MLSM2003-01-03...
Page 4 MLSM2003-01-03...
Page 5: Safety Information
Therefore, and covers are Heartland Appliances cannot be 3. If a replacement part is properly and responsible for the interpretation required ensure it meets securely of its Service Manuals by those factory specifications.
Page 6 MLSM2003-01-03...
Page 7: Parts & Warranty Information
Date of Service • warranty work. Contact Work Performed • • • • • Serial Number Heartland Appliances Service Full Description of Work Model Number Department at: Performed • • • • • Component Description CSF Reference number (see Part number Heartland Appliances Inc.
Page 8 Section 2 Parts & Warranty Serial Number Location in Ranges: • Metro & Legacy ranges have the serial number located at the back of the range and on the kick plate. To view serial number plate, open door, and look at kickplate’s right top corner.
Page 9: Technical Specifications
Section 3 Technical Specifications Dual Fuel Ranges (Electric Oven Electrical Requirements: & Gas Top) • Standard 240V; 60 Hz receptacle, properly polarized, • • 30” Models 3520/3525 on its own dedicated line must 36” Models with Grill 3620B/3625B be used. •...
Page 10 Section 3 MLSM2003-01-03...
Page 11: Problem Diagnosis Charts
Problem Diagnosis Charts Section 4 Models 3520/3525; 3620/3625 & 3620B/3625B Problem Possible Cause Repair/Test Procedure • No power to range – House Check power supply 1. Range does not operate (top and timer do not work) breaker tripped or fuse blown (Procedure 1) •...
Page 12 Problem Diagnosis Charts Section 4 Models 3520/3525; 3620/3625 & 3620B/3625B Problem Possible Cause Repair/Test Procedure • 5. Bake or convection bake Open bake or convection bake Check bake elements element does not heat (broil elements (Procedure 9 and 10) • operates) Open wire between bake Check bake element...
Page 13 Problem Diagnosis Charts Section 4 Models 3520/3525; 3620/3625 & 3620B/3625B Problem Possible Cause Repair/Test Procedure • 8. Oven will not work on timed Timer not properly programmed Timer programming steps cooking or delayed time cooking (Procedure 5) • functions Timer defective Replace timer (Procedure 4) •...
Page 14 Problem Diagnosis Charts Section 4 Models 3520/3525; 3620/3625 & 3620B/3625B Problem Possible Cause Repair/Test Procedure • 16.Bake & broil elements do not Safety limit tripped or defective Check safety limit (Procedure heat after self clean cycle or wiring damaged Check wiring and connections (Procedure 8) •...
Page 15 Problem Diagnosis Charts Section 4 Models 3520/3525; 3620/3625 & 3620B/3625B Problem Possible Cause Repair/Test Procedure • 19. Timer blank or flashing during House breaker tripped or fuse Check Power supply cooking or after completion of blown (Procedure 1) • cooking cycle No power to timer - defective Check coaxial cable coaxial power supply cable...
Page 16 Problem Diagnosis Charts Section 4 Models 3520/3525; 3620/3625 & 3620B/3625B Problem Possible Cause Repair/Test Procedure • 24. Burner electrode continues to Burner components incorrectly Check burner caps (Procedure spark after burner has lit positioned • Cooking utensils too large or Check cookware contents spilled over •...
Page 17: Repair Procedures
Section 5-3 Procedure 1 - Breakers & Fuses Step 1: Be sure all range controls Step 4: Fuse blocks utilize a Step 8: Proper power readings on are turned off. double pole fuse block with two receptacle can be tested with a cartridge type fuses joined together multimeter set to AC volts.
Page 18 Section 5-3 Procedure 2 - Terminal Block Step 1: Disconnect power supply Step 6: Terminal block can be to range. Pull range away from wall. removed from range by removing the two center screws. Step 2: Remove back panel. Refer to Procedure 32 for details.
Page 19 Section 5-3 Procedure 3 - Power Cord Step 1: Disconnect power supply Step 7: If no visible damage to range. detected, check individual wires in the power cord with a multimeter. Step 2: Pull range away from wall. Step 8: Place one test probe on Step 3: Pull plug from receptacle the wire end and the other test with a quick firm tug (do not pull by...
Page 20 Step 7: To replace timer, push on four tabs (two per side) and push timer through front of control panel. Step 4: Metro models. Remove control panel (see Procedure 34). Step 8: Transfer all wires to the new timer in the exact same...
Page 21 Section 5-3 Procedure 5 - Timer Programming time/timer display stop time indicator fahrenheit indicator broil indicator start time indicator temperature display convection broil celsius indicator indicator convection button bake indicator /indicator ® minute minder button self clean button /indicator clock button start button broil button cook time button...
Page 22 Section 5-3 Procedure 6 - Thermostat Oven Probe Step 7: Remove baffle’s two Step 10: Disconnect molex plug Step 1: Disconnect power supply bottom screws first (you may use a from oven thermostat probe (grey to range. prop for the baffle such as 2” wide sheath cable &...
Page 23 Section 5-3 Procedure 7 - Bake/Broil Limit Step 6: Test bake/broil limit for Caution: Use extreme care when Step 1: Disconnect power supply continuity across terminals. handling self clean oven thermostat to range. probe and wire. Do not bend excessively or repeatedly. Contents Step 2: Pull range away from wall.
Page 24 Section 5-3 Procedure 8 - Safety High Limit Step 5: Check position of safety Step 9: Remove one out of two Step 1: Disconnect power supply probe. it must be inside protective screws from top clip and slide out of to range.
Page 25 Section 5-3 Procedure 9 - Bake Element Step 1: Disconnect power supply Step 7: Test bake element for to range. grounding as well by setting multimeter to Rx1 resistance. Step 2: Remove oven door and Place one test probe on one oven racks (See Procedures 33 &...
Page 26 Section 5-3 Procedure 10 - Convection Bake Element Step 1: Disconnect power supply Step 7: With bake element to range. removed, test for continuity. Place test probes on each terminal. Step 2: Remove oven door and Needle should readapproximately oven racks (See Procedures 32 & 6 24 ohms for 2400W elements.
Page 27 Section 5-3 Procedure 11 - Broil Element Step 5: If element faulty - Replace. Step 1: Disconnect power supply Remove stove top (Procedure 26) and gas supply to range. and burner overflow trays. Step 2: Remove range’s back Step 6: Remove sheet metal cover panel (see Procedure 32) and insulation over top broil element...
Page 28 Section 5-3 Procedure 12 - Oven Door Gasket Step 1: Remove oven door (Procedure 33) . Place door face down on soft surface to prevent scratching porcelain. Step 2: Loosen four corner screws from inner door panel and remove damaged gasket (note” gasket has an inner and outer loop) Step 3: Insert new gasket starting from one bottom corner and loosely...
Page 29 Section 5-3 Procedure 13 - Oven Door Hinge Step 1: Remove oven door (Procedure 33) Step 2: Place door face down on soft surface to prevent scratching porcelain. Step 3: Drill out 9/64” diameter rivets and pull defective hinge away from door frame.
Page 30 Section 5-3 Procedure 14 - Oven Vents Step 1: Remove oven door (Procedure 33) Step 2: Oven vents are located in the top of the oven. Note: Vents have a grid called a smoke eliminator positioned at the bottom of the oven vent. Do not remove this component.
Page 31 Section 5-3 Procedure 15 - Oven Bulb Step 9: Inspect for signs of Step 1: Press “light” symbol on damage at light transformer. Test control panel - a clicking noise transformer for continuity across should be heard from the back of terminals.
Page 32 Section 5-3 Procedure 16 - Convection Fan Motor Step 1: If motor not operating, Step 7: Remove convection fan disconnect power to range and pull wheel by turning center locking nut away from wall. CW (not CCW). It is easier to hold nut firmly and turn fan wheel Step 2: Remove range’s back clockwise).
Page 33 Section 5-3 Procedure 17 Self Clean Latch Mechanism Step 1: Disconnect power supply Replace black wires on new switch Step 10: Check microswitch to to range. in same two left positions, right bake/broil limit - bottom white position is empty. switch.
Page 34 Section 5-3 Procedure 17 Self Clean Latch Mechanism Step 13: If all switches and wiring Self Clean Operation: to switches test in good order, latch is not operational, Disconnect all Clock programmed to self clean, wires from micro switches, one at door automatically locks (wax motor the time and place on new latch is energized and pushes latch to...
Page 35 Section 5-3 Procedure 18 - Timer Relay Board Step 1: Disconnect power supply to range and pull unit away from wall. Step 2: Remove relay access panel (see Procedure 32). Panel is held in by a series of self tapping screws.
Page 36 Section 5-3 Procedure 19 - Timer Coaxial Cable Step 1: Disconnect power supply Step 6: Release coaxial cable from to range and pull unit away from timer (see Procedure 4 for timer wall. access). Step 2: Remove relay access panel (see Procedure 18). Panel is held in place by a series of self tapping screws.
Page 37 Section 5-3 Procedure 20 - Cooling Fan & Limit Step 7: If limit test in good Step 1: Disconnect power supply condition, inspect self clean to range and pull unit away from assembly microswitch (see wall. Procedure 17). Step 2: Remove range’s back Step 8: If limit is faulty, replace.
Page 38 Section 5-3 Procedure 21 25 amp Relay (36” Models only) Step 1: Disconnect power supply to range and pull unit away from wall. Step 2: Remove relay access panel (see Procedure 18). Panel is held in by a series of self tapping screws.
Page 39 Section 5-3 Procedure 22 - Spark Module(s) Step 1: Disconnect power supply Step 5: To replace faulty spark to range. module, remove one wire at a time from old module and transfer to Step 2: Remove range’s back new module in the exact same panel (see Procedure 32) terminals as the original.
Page 40 Section 5-3 Procedure 23 - Ignition Switches Step 1: Disconnect power supply Step 5: To replace switch to range. disconnect wire connections from faulty ignition switch and transfer to Step 2: Remove control panel (see new switch. Procedure 34) Step 6: Remove one mounting Step 3: Inspect wires and screw with phillips screwdriver to connections to ignition switches for...
Page 41 Section 5-3 Procedure 24 - Gas Pressure Step 4: Sometimes the stove may Step 1: Too much gas pressure to have the incorrect gas setting for the regulator or not enough, can the gas being supplied (i.e. Nat Gas affect range performance. Too simmers, orifices and regulator much pressure, and flames could setting, when incoming gas is...
Page 42 Section 5-3 Procedure 25 - Regulator Replacement Step 1: Disconnect power supply Step 6: If installed backwards, to range and disconnect or shut off disconnect regulator from manifold gas supply. and inlet piping, reverse orientation and re-install. Check all gas Step 2: Remove range’s back connections with soapy water panel (Procedure 32).
Page 43 Section 5-3 Procedure 26 - Gas Conversion Please contact factory for Step 7: Pressure regulator Step 9: Burner valves simmer jet conversion kit appropriate for conversion. Regulator has conversion. Use small flat blade the range. Serial number of reversible cap for either Natural screwdriver to remove original range must be provided to Gas or Propane.
Page 44 Section 5-3 Procedure 26 - Gas Conversion Step 13: Grill models only. There Step 12a: Air shutter adjustment Step 12b: Air shutter adjustment is only valve simmer jet and one will be needed for small simmer will be needed for small simmer burner jet.
Page 45 Section 5-3 Procedure 27 - Burner Caps Step 1: Nuisance sparking and Step 3: Other causes for erratic erratic flames can be caused by sparking are moisture inside caps improper positioning of burner caps (specially after washing) or food onto the burner base. particles blocking the ports.
Page 46 Section 5-3 Procedure 28 - Electrodes (Surface & Grill) Step 8: Prop top up (see Step 16: Grill models. To replace Step 1: Before replacing surface Procedure 35) damaged or faulty grill electrodes, electrode, ensure it is clean of food deposits (an emery board can be remove range’s back panel (see Step 9: remove “C”...
Page 47 Section 5-3 Procedure 29 - Top Burner Valve Step 1: Disconnect power supply to range and shut off gas supply. Step 2: Remove control panel (see Procedure 34) Step 3: Remove aluminum tubing from defective valve with wrench. Step 4: Remove ignition switch (see Procedure 23).
Page 48 Section 5-3 Procedure 30 - Loose Grounds Step 1: Loose grounds can cause the electrodes to start sparking even when the ignition switches are “off”. Step 2: Check house wiring first (see Procedure 1). Check wall receptacle, etc. to ensure it is not a consumer issue.
Page 49 Section 5-3 Procedure 31 - Closet Exhaust Fan Hood Access - disconnect power Blower Removal - disconnect Hood Removal - disconnect power to hood. power to hood. to hood. Step 1: Pull stove away from wall Step 5: Remove molex pins from Step 10: Disconnect wires to hoods to disconnect wires.
Page 50 Section 5-3 Procedure 31 - Closet Exhaust Fan Splashback Kit Replacement: Step 13: Pull stove away from wall Step 14: Remove support racks by simply pressing on bottom metal clips to loosen Step 15: Remove screws holding main splashback to wall near the bottom Step 16: Remove two upper screws holding splashback to wood...
Page 51 Section 5-3 Procedure 32 - Panel Removal/Access Back Panel Removal: Step 5: Gently pull panel back and Step 9: gently pull out and drop disconnect red and black wires to access cover down. Provides access to all electrical and cooling fan (do not forget to re- mechanical components at the attach these at the end of any back of the stove.
Page 52 Section 5-3 Procedure 32 - Panel Removal/Access Side Panel Removal/Access Step 14: To access components, swing side panel outwards. Provides access to electrical or gas controls at the side of the stove. Step 10: Disconnect power supply to range. Step 11: Pull unit away from wall. Step 12: Prop top up (see Procedure 35) Step 13: Remove three screws...
Page 53 Section 5-3 Procedure 33 - Oven Door Removal Step 3: With one hand on each Step 1: Open door fully. side of door, lift door up and at a 30 degree angle in one sweeping motion. Note: Door weighs approximately Step 2: Latch the brass catches 40 lbs (18 kgs).
Page 54 Section 5-3 Procedure 34 - Control Panel Removal Step 1: Disconnect power supply Step 5: Use 3/8” extended to the range. socket nut driver to loosen nuts holding control panel to top. The Step 2: Remove oven door (see control panel is fastened with 2 or 4 Procedure 33) nuts (for 30”...
Page 55 Section 5-3 Procedure 35 - Stove Top Prop Up Step 1: Disconnect power supply to the range. Step 2: Loosen top row and two middle screws from the stove’s back panel to allow the spark modules to clear the back panel. Step 3: Pull stove top upwards by holding the front of the stove top and the back and pulling upwards.
Page 56 Step 2: Remove three slot screws per each burner base and allow the burner base to gently drop into the stove’s cavity Step 3: Metro only. Remove screws holding burner bowl against sides of stove top Step 8: Prop stove top (Procedure...
Page 57: Wiring Diagrams
Section 6 Wiring Diagrams - Models 3520/3525 MLSM2003-01-03...
Page 58: Models 3620/3625
Section 6 Wiring Diagrams - Models 3620/3625 MLSM2003-01-03...
Page 59 Exploded View & Parts: Section 7-1 Models 3520/3525; 3620/3625; 3620B/3625B 3565CB 3576I 3653 3364 6455 3457 3551 - 36” 3350 3552 - 30” 3660 3662 3669 3656 - 30” 3658 - 36” 3663 3661 3650 - 30” 36801 (Front Burners) 3655 - 36”...
Page 60 3565PB Electronic timer Relay Board (not shown) 3252-C Backguard: Standard profile 30" Legacy (6" high) 3556 Gas regulator (5" NG/10" LP) 39951S Backguard: Standard profile 30" Metro (4 1/4" high) 3350 Grate double cast 3253-C Backguard: Standard profile 36" Legacy (6" high)

This manual is also suitable for:

Legacy Lines 3520 3525 3620 3625