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Refer to the parts lists below for replacement kits available for your operator. If optional modifications and/or accessories are included
with your operator, certain components may be added or remove from these lists. Individual components of each kit may not be
available. Please consult a parts and service representative regarding availability of individual components. Refer to page 13 for all
repair part ordering information.

R E P A I R P A R T S K I T S

BRAKE ASSEMBLY KITS

ITEM PART #

DESCRIPTION

QTY

10-10354

Brake Release Arm

10-10355

Solenoid Link

10-10356

Brake Mounting Plate

10-10357

Solenoid Bracket

17-10363

Pulley & Disc Assembly

Compression Spring
.360 O.D. x .045WD

22-120

115V Brake Solenoid

22-240

230V Brake Solenoid

31-10364

Spacer .20 I.D. x .260 OD x 1

75-10359

Brake Plate Pad Assembly

B10

82-NH25-03

1/4-20 x 3/16 S.S. Knurled Cup 1

B11

86-CP05-108

Cotterpin 5/32" x 1-1/2" Long

K75-12492

Model BMT5011

K75-12494

Model BMT5025

Brake kits for model BMT only

K72-12471 CLUTCH SHAFT ASSEMBLY KIT

ITEM PART #

DESCRIPTION

QTY

10-10166

Clutch Plate

11-10320

Clutch Shaft

12-10029

Bearing 3/4" I.D.

15-48B10GXX

Sprocket, 48B10 x 3/4"

16-4L290

Cogged Belt

17-10336

4L Motor Pulley 7" O.D.

18-10164

Spring, Clutch (1/3 & 1/2 HP)

39-10167

Clutch Disc

84-SH-76

Castle Nut 3/4-16

C10

86-CP04-112

Cotterpin 1/8" x 1-3/4" Long

C11

86-RP08-102

Roll Pin 1/4" x 1-1/8" Long

C12

86-RP08-200

Roll Pin 1/4" x 2" Long

C13

87-P-075

Turac 3/4" Push on Fastener

C14

85-FW-75

Flatwasher 3/4"

K72-12472 OUTPUT SHAFT KIT

ITEM PART #

DESCRIPTION

QTY

11-10319

Output Shaft

12-10029

Bearing 3/4" I.D.

15-48B10GXX

Sprocket, 48B10 x 3/4"

15-48B10G1

Sprocket, 48B10 x 3/4"
Powder Metal

15-48B24GXX

Sprocket, 48B24 x 3/4"

19-48027M

Chain #48 x 27 Links
with master link

19-48033M

Chain #48 x 33 Links
with master link

86-RP08-102

Roll Pin 1/4" x 1-1/8" Long

87-P-075

Turac 3/4" Push on Fastener

DOOR TRACK & DRIVE CHAIN

ITEM PART #

DESCRIPTION

19-5810

#48 Chain Doors 8' to 10'

19-5812

#48 Chain Doors to 12'

19-5814

#48 Chain Doors to 14'

Door Track*

*Call for pricing and availability.

K77-12486 HARDWARE KIT

ITEM PART #

DESCRIPTION

QTY

10-10203

Curved Arm

10-10204

Door Bracket

10-10205

Header Bracket

11-10130

Header Pivot Pin

75-10170

Slider Assembly

75-10174

Front Idler Assembly

75-10259

Track Spacer Assembly

10-10203

Curved Arm

10-10204

Door Bracket

75-10214

Straight Arm Assembly

K75-12870 STRAIGHT & CURVED ARM ASSEMBLY

Heavy Duty Straight Arm

PART #

DESCRIPTION

K75-17034

Upgrade Kit

MOTOR

See page 19 for more information.

ELECTRICAL BOX REPLACEMENT KITS

ITEM

DESCRIPTION

KIT #

Electrical Box Replacement Kits

See page 19

Содержание MT

Страница 1: ...DEL MT MEDIUM DUTY DOOR OPERATOR to locate a professional installing dealer in your area R PROFESSIONAL INSTALLATION ONLY A SAFETY DEVICE IS HIGHLY RECOMMENDED Serial located on electrical box cover Installation Date Wiring Type C2 Wiring F A C T O R Y S E T See page 11 for other wiring configurations 2 Y E A R W A R R A N T Y NOT FOR RESIDENTIAL USE O W N E R S M A N U A L MODEL MT MEDIUM DUTY DO...

Страница 2: ...NTROL CONNECTION DIAGRAM 24 When you see these Safety Symbols and Signal Words on the following pages they will alert you to the possibility of serious injury or death if you do not comply with the warnings that accompany them The hazard may come from something mechanical or from electric shock Read the warnings carefully When you see this Signal Word on the following pages it will alert you to th...

Страница 3: ...ORSEPOWER 1 2 Horsepower SPEED 1000 RPM VOLTAGE 115V 1 Phase 60Hz 230V 1 Phase 50Hz CURRENT See motor nameplate ELECTRICAL TRANSFORMER 24Vac CONTROL STATION NEMA 1 three button station OPEN CLOSE STOP WIRING TYPE C2 Factory Shipped Momentary contact to OPEN STOP constant pressure to CLOSE plus wiring for sensing device to reverse See page 11 for control wiring options LIMIT ADJUST Linear driven fu...

Страница 4: ... powerhead so that the motor side of operator is in back away from door 2 Loosely install two 3 8 16 x 3 4 bolts and nuts in third hole from the end of the track 3 Align the track so that the bolts inserted in step 2 line up with the L Slots in the frame 4 Connect the track to the powerhead by fastening two 3 8 16 x 3 4 bolts and nuts through the frame and the end holes in track Tighten all four b...

Страница 5: ... header bracket and fasten using the 3 8 dia x 6 40 long pivot shaft and cotterpins provided 3 Using the projected lines for location mount a suitable wood block or length of angle iron to the wall above the door opening Refer to the illustration below This will provide a mounting pad for the front header bracket of the operator If necessary reinforce the wall with suitable mounting brackets to en...

Страница 6: ...ACHMENT 1 Fully close the door and move the trolley slider to within 2 5 08 cm of the front idler 2 Latch the straight door arm to the fixed roll pin in the trolley carriage Make sure the open side of notch on the arm faces the doorway 3 Attach the door bracket to the door arm using the 3 8 16 x 1 bolt and nylon locking nut provided Leave the nut and bolt loose enough to allow the two pieces to pi...

Страница 7: ...TH ALWAYS install reversing sensors when the 3 button control station is out of sight of door or ANY other control automatic or manual is used Reversing devices are recommended for ALL installations ATTENTION AVERTISSEMENT WARNING WARNING CAUTION PRECAUCIÓN ADVERTENCIA A D J U S T M E N T To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution disconnect electric power BEFORE manually moving ...

Страница 8: ... Emergency Disconnect Emergency Disconnect Door Arm Door Arm Pull emergency release handle straight down Emergency disconnect will open Lift free end of door arm to trolley Pull emergency handle to allow arm to engage roll pin Release handle Emergency disconnect will close TO DISCONNECT DOOR FROM OPERATOR The door should be in the fully closed position if possible Pull down on the emergency releas...

Страница 9: ...o allow the clutch to slip if the door is obstructed When the clutch is properly adjusted it should generally be possible to stop the door by hand during travel 4 Reinstall cotterpin A D J U S T M E N T To prevent possible SERIOUS INJURY or DEATH install reversing sensors when the 3 button control station is out of sight of the door or ANY other control automatic or manual is used Reversing device...

Страница 10: ...he operator MUST NOT be performed until disconnecting the electrical power and locking out the power via the operator power switch Upon completion of maintenance the area MUST be cleared and secured at that time the unit may be returned to service Disconnect power at the fuse box BEFORE proceeding Operator MUST be properly grounded and connected in accordance with local electrical codes The operat...

Страница 11: ...control station Generally a three button station OPEN CLOSE STOP is provided A two position key switch or control station OPEN CLOSE may be added or substituted when requested at the time of order Mount the control station near the door IMPORTANT Mount WARNING NOTICE beside or below the push button station Mount control station s within line of sight of door s W A R N I N G W A R N I N G TO PREVEN...

Страница 12: ...ITIONAL ACCESS CONTROL EQUIPMENT Locate any additional access control equipment as desired but so that the door will be in clear sight of the person operating the equipment and connect to the terminal block in the electrical enclosure as shown on the FIELD WIRING CONNECTIONS diagram Any control with a normally N O isolated output contact may be connected in parallel with the OPEN button More than ...

Страница 13: ...ARNING WARNING PRECAUCIÓN ADVERTENCIA ADVERTENCIA ADVERTENCIA Check at the intervals listed in the following chart HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE ORGANIZATION SPANS AMERICA Installation and service information are available Call our TOLL FREE number 1 800 528 2806 www liftmaster com Use SAE 30 Oil Never use grease or silicone spray Do not lubricate motor Motor bearings are rated for c...

Страница 14: ...N B BL OR 12 BL C OPTIONAL LIGHT BK 3 STOP L2 BK BK 4 R OPEN A W C CAPACITOR Y N O MAX 100W W C OPEN L S CLOSE L S P P CL OR R N O R OR OP N C C W W W 11 BR L1 MOTOR R Y 10VA PR1 24VAC SEC Y BK W O L BK A B W WIRE NUT R3 R2 3 4 2 1 5 GY Y R W RPM SENSOR BOARD N C C MOVE JUMPER WIRE TO TERMINAL 2 FOR MOMENTARY CONTACT ON CLOSE Y WIRE NUT CLOSE B RES BL Y S C H E M A T I C D I A G R A M F O R M T 5 ...

Страница 15: ...OR N C N C C CLOSE P OR C W OPEN C 3 4 5 2 1 RADIO REC R RPM SENSOR XFMR AUX CLOSE AUX OPEN R BR OR P TO REVERSE MOTOR DIRECTION INTERCHANGE RED YELLOW WIRES C2 WIRING Constant Presssure to Close RED WIRE ON TERMINAL 12 Shipped from Factory B2 WIRING Momentary Contact to Close MOVE RED WIRE FROM TERMINAL 12 TO TERMINAL 2 CLOSE CONTROL WIRING OPTIONS Shipped from Factory See Close Control Wiring Op...

Страница 16: ... 3 STOP L2 BK BK CLOSE B 4 R OPEN A W C CAPACITOR Y N O BL MAX 100W W C OPEN L S CLOSE L S P P CL OR R N O R OR OP N C C W W W 11 BR L1 MOTOR R Y 10VA PR1 24VAC SEC Y W O L BK A B W WIRE NUT R3 R2 3 4 2 5 GY W R Y A R S BOARD When Present N C C MOVE JUMPER WIRE TO TERMINAL 2 FOR MOMENTARY CONTACT ON CLOSE Y HAND CHAIN INTERLOCK SW WHEN PRESENT BRAKE SOLENOID CLOSE C OPEN C BL BK RES 1 S C H E M A ...

Страница 17: ...C C BRAKE SOLENOID N O COM INTLK Y INTERLOCK SWITCH WHEN SUPPLIED WIRED N O HELD CLOSED TO REVERSE MOTOR DIRECTION INTERCHANGE RED YELLOW WIRES C2 WIRING Constant Presssure to Close RED WIRE ON TERMINAL 12 Shipped from Factory B2 WIRING Momentary Contact to Close MOVE RED WIRE FROM TERMINAL 12 TO TERMINAL 2 CLOSE CONTROL WIRING OPTIONS Shipped from Factory See Close Control Wiring Options Below W ...

Страница 18: ...18 6 1 9 3 L4 L2 S5 S1 S2 S4 S3 L3 S4 S3 L1 L3 L7 L5 L2 10 L7 7 4 5 8 2 L6 11 E L E C T R I C A L B O X ...

Страница 19: ...x Cover 1 3 23 10916 SPDT Interlock Switch Not on MT 1 4 29 2 Resistor 2 Ohm 1 5 42 10040 Terminal Assembly 3 Lug 1 6 42 110 10 Position Terminal Block 1 7 71 10345 RPM Sensor Board MT Only 1 8 74 10352 RPM Sensor Board Harness 1 9 See Var Comp Transformer 1 10 See Var Comp Relay 24V 2 11 See Var Comp Motor Capacitor 1 Not Shown 31 10350 Standoff K75 12489 MT Auto Reversal System ARS Logic VARIABL...

Страница 20: ...BMT Only Brake Componets Model BMT Only B4 B7 O6 O4 O9 O5 O7 O2 O2 O3 O1 C3 O8 O8 O8 C13 C3 1 B10 B5 B9 B1 B3 B6 MTR B8 C1 C8 C5 C6 C7 C9 C10 C4 C11 C12 C2 B11 B2 3 H5 H8 H6 H4 H3 4 H2 H1 H7 C14 I L L U S T R A T E D P A R T S ...

Страница 21: ...ring Clutch 1 3 1 2 HP 1 C8 39 10167 Clutch Disc 1 C9 84 SH 76 Castle Nut 3 4 16 1 C10 86 CP04 112 Cotterpin 1 8 x 1 3 4 Long 1 C11 86 RP08 102 Roll Pin 1 4 x 1 1 8 Long 1 C12 86 RP08 200 Roll Pin 1 4 x 2 Long 1 C13 87 P 075 Turac 3 4 Push on Fastener 2 C14 85 FW 75 Flatwasher 3 4 5 K72 12472 OUTPUT SHAFT KIT ITEM PART DESCRIPTION QTY O1 11 10319 Output Shaft 1 O2 12 10029 Bearing 3 4 I D 2 O3 15 ...

Страница 22: ...22 O P E R A T O R N O T E S ...

Страница 23: ...23 O P E R A T O R N O T E S ...

Страница 24: ...ween terminals 3 and 4 3 Auxiliary control equipment may be any normally open two wire device such as pullswitch single button loop detector card key or such device 4 When adding accessories install them one at a time and test each one after it is added to ensure proper installation and operation with the Commercial Door Operator 5 Attention Electrician Use 16 gauge or heavier wire for all control...

Страница 25: ... PARTS DEVANCO CANADA 19192 HAY ROAD UNIT Q SUMMERSTOWN ON K0C 2E0 TOLL FREE 855 931 3334 www devancocanada com WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION 3 PART NUMBER 3 DESCRIPTION 3 MODEL NUMBER ...

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