LiftMaster SD Heavy Industrial-Duty Slide Operator Replacement Parts

Liftmaster K22-36900 3PH/L5 Brake Solenoid Replacement Kit (208V-230V/60Hz)

LiftMaster K22-36900 3PH Logic 5 Brake Solenoid Kit 208/230V

$79.93

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LiftMaster 16-5L300 Cogged V-Belt 5L300 for Commercial Operators

$35.39

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Liftmaster K20-3100M-5-H25 Motor, 1HP, 3PH, L5

$890.61

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LiftMaster 10-10187 Brake Solenoid Cover

$20.03

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Liftmaster K21-14182 Transformer, 120/240V, 24VAC, 20VA

LiftMaster K21-14182 120/240V to 24VAC 20VA Transformer

$39.20

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Liftmaster K21-35077 Transformer, 575V, 24VAC

LiftMaster K21-35077 575V to 24VAC 40VA Transformer

$81.34

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LiftMaster K74-31243 MOV Kit for Logic Commercial Operators

$58.71

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LiftMaster K79-15016-1 RPM Sensor Kit

$70.66

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LiftMaster K72-12515-1 Limit Switch Assembly Kit

$47.57

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LiftMaster K72-10047 Limit Shaft Assembly Kit

$94.71

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Liftmaster K21-36793 Transformer, 208/230/460V-20VA

$43.57

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Liftmaster K001D8395 Logic Board Kit with Current Sense, L5

$169.95

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Liftmaster K001C8103-1 Antenna

$35.58

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Liftmaster K001D8397 Power Board Kit, 3PH, L5

$139.38

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Liftmaster K001D8397-1 Power Board Kit, 575V, L5

LiftMaster K001D8397-1 3 Phase Power Board Kit, 575V, Logic 5

$153.97

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Liftmaster 1053 L or M, K20-3100M-5-H25 575V 3 PH 60Hz Standard 1 HP Replacement Motor Kit

LiftMaster K20-3100M-5-H25 1053 L/M 575V 3PH 60Hz Standard 1 HP Replacement Motor Kit

$890.61

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LiftMaster 751 L5, K20-1075B-2LP-H24 115/230V 1PH 60Hz, Standard 3/4 HP Replacement Motor Kit

$493.71

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LiftMaster 753 L5, K20-3075B-4P-H24 230/460V 3PH 60Hz, Standard 3/4 HP Replacement Motor Kit

$480.63

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LiftMaster 755 L5, K20-3075M-5-H25 575V 3PH 60Hz, Standard 3/4 HP Replacement Motor Kit

$799.95

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LiftMaster 501 L5, K20-1050B-2LP-H24, 115/230V 1PH 60Hz Standard 1/2 HP Replacement Motor Kit

$399.52

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LiftMaster 503 L5, K20-3050B-4P-H24, 230/460V 3PH 60Hz Standard 1/2 HP Replacement Motor Kit

$499.95

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LiftMaster 505 L5, K20-3050M-5-H25, 575V 3PH 60Hz Standard 1/2 HP Replacement Motor Kit

$737.58

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LiftMaster 101 L5, K20-1100B-2LP-H24 115/230V 1PH 60Hz, Standard 1HP Replacement Motor Kit

$742.40

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LiftMaster 103 L5, K20-3100B-4P-H24 230/460V 3PH 60Hz, Standard 1HP Replacement Motor Kit

$575.35

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LiftMaster 105 L5, K20-3100M-5-H25 575V 3PH 60Hz, Standard 1HP Replacement Motor Kit

$890.61

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LiftMaster K77-10473 Hardware Kit for SD and GSD Single Slide Door Operators

$1,092.62

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Liftmaster K17-10165 Replacement Pulley (7

LiftMaster K17-10165 7 Inch Pulley for Commercial Door Operators

$33.90

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Liftmaster K23-10041 Limit Switch Replacement Kit (SPDT, 10A 125/250VAC) 1/2 HP

LiftMaster K23-10041 SPDT 10A Limit Switch for Select 1/2 HP Commercial Door and Gate Operators

$15.25

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Liftmaster K22-575-1 Brake Solenoid (575V/60Hz) Replacement Kit Commercial Gate

LiftMaster K22-575-1 575V/60Hz Brake Solenoid Kit for Logic 5.0 Operators

$145.10

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Liftmaster K22-36899 1PH/L5 Brake Solenoid Replacement Kit Commercial Openers

LiftMaster K22-36899 1PH/L5 Brake Solenoid 208-230V Replacement Kit for Logic 5.0 Operators

$93.79

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LiftMaster K22-36900 3PH/L5 Brake Solenoid 208-230V Replacement Kit for Logic 5.0 Operators

$79.93

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Liftmaster K20-1100B-2LP-H24 replacement Motor Kit (1HP, 1PH, L5) Logic 5.0

$742.40

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Liftmaster K13-10024 Limit Nut Replacement Part Commercial Door Operators

$11.73

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Liftmaster K12-10331 12-10331, 11A52, 1210331 Flange Bearing Commercial Doors

$12.26

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Liftmaster K001D8396-1 K001D8396, K001D8072-1 Power Board 1PH Logic 5

$149.95

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Liftmaster K13-10024 2-Pack Limit Nut Replacement Part Commercial Door Operators

$22.00

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Liftmaster K71-D1PH Drum Brake Kit, 120V

LiftMaster K71-D1PH 120V Single Phase Drum Brake Kit

$313.12

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Liftmaster K71-D3PH DRUM BRAKE KIT, 240V

LiftMaster K71-D3PH 240V Three Phase Drum Brake Kit

$332.72

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LiftMaster K11-10014 Clutch Shaft

$27.34

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Liftmaster K75-10470 Trolley Slider Kit, Single Side Doors

LiftMaster K75-10470 Trolley Slider Kit for Single Side Doors

$443.36

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Liftmaster K75-10469 - Door Disconnect Kit

$582.98

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Liftmaster 11-10015 - OUTPUT SHAFT, T

$35.51

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liftmaster 19-41047 - Chain, #41x47, No ML

$26.46

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Frequently Asked Questions : Liftmaster SD Heavy Industrial-Duty Slide Operator Replacement Parts

Q1: What are the primary replacement parts available for the LiftMaster SD slide operator?

A1: Common replacement components for the LiftMaster SD include Logic control boards, continuous-duty industrial motors, and limit switch assemblies. Structural hardware such as heavy-duty drive chains, sprockets, and contactors are also frequently replaced.

Q2: How do I identify the correct Logic control board for a LiftMaster SD operator?

A2: To determine the compatible Logic control board, locate the exact part number printed on the existing board or refer to the operator's specification label. The replacement board must match the specific voltage, phase, and Logic generation of the original unit.

Q3: What should be done if the industrial-duty motor on the LiftMaster SD fails?

A3: Replacing a high-voltage industrial motor involves managing complex electrical connections and realigning heavy mechanical linkages. For safety and operational integrity, this procedure must be completed by a licensed electrician or a local qualified professional.

Q4: Why might the limit switch assembly on a heavy-duty slide operator need replacement?

A4: Limit switches endure constant mechanical friction during high-cycle commercial operations. If the commercial slide gate consistently over-travels or fails to stop at designated boundaries, the internal cams are likely worn and require complete replacement.

Q5: What safety devices are compatible with the LiftMaster SD industrial-duty operator?

A5: The LiftMaster SD operator requires continuous-monitoring safety peripherals, such as commercial photoelectric sensors or optical safety edges, to meet UL 325 safety standards. Refer to the manufacturer's installation manual to confirm that replacement sensors are compatible.

Q6: Can a damaged contactor on the LiftMaster SD operator be repaired internally?

A6: The contactor acts as a high-voltage relay that transfers power to the motor and is not designed for internal repair. When the internal electrical contacts become pitted or fused from repetitive commercial use, the entire contactor block must be replaced as a single unit.

Q7: What indicates that the heavy-duty drive chain on the SD slide operator needs replacing?

A7: A drive chain requires replacement if it exhibits severe rust, stiff links, or excessive metal fatigue that prevents proper tensioning. Using a compromised chain on a heavy industrial gate can lead to slipping, improper operation, and potential mechanical failure.

Q8: Who is qualified to replace the internal friction clutch mechanism on the LiftMaster SD?

A8: The internal friction clutch is a tension-loaded safety mechanism designed to protect the gate hardware by allowing slippage during an obstruction. Servicing or replacing this critical component requires specialized knowledge and should only be performed by a local qualified technician.

Q9: Are drive sprockets interchangeable between different LiftMaster slide operators?

A9: Drive sprockets are engineered to match specific shaft diameters, keyway dimensions, and torque requirements of the LiftMaster SD operator. Always consult the manufacturer's parts diagram to select the correct mechanical sprocket to prevent system damage.

Q10: What maintenance is required after installing new mechanical parts on the SD operator?

A10: Newly installed chains, sprockets, and internal gear mechanisms must be correctly aligned, tensioned, and lubricated according to exact factory specifications. For detailed maintenance schedules and safety testing procedures, consult the technical manual provided by the manufacturer.

LiftMaster SD Heavy Industrial-Duty Slide Operator Replacement Parts

Products [43]

Frequently Asked Questions : Liftmaster SD Heavy Industrial-Duty Slide Operator Replacement Parts

Q1: What are the primary replacement parts available for the LiftMaster SD slide operator?

Q2: How do I identify the correct Logic control board for a LiftMaster SD operator?

Q3: What should be done if the industrial-duty motor on the LiftMaster SD fails?

Q4: Why might the limit switch assembly on a heavy-duty slide operator need replacement?

Q5: What safety devices are compatible with the LiftMaster SD industrial-duty operator?

Q6: Can a damaged contactor on the LiftMaster SD operator be repaired internally?

Q7: What indicates that the heavy-duty drive chain on the SD slide operator needs replacing?

Q8: Who is qualified to replace the internal friction clutch mechanism on the LiftMaster SD?

Q9: Are drive sprockets interchangeable between different LiftMaster slide operators?

Q10: What maintenance is required after installing new mechanical parts on the SD operator?