Replacement Vacuum Motors

 

Vacuum motors can have multiple purposes, and typically get rigorous usage. For this reason, good maintenance is vital to getting a good lifespan. Your equipment is working with both heat and high pressure and water in most cases. Most coin operated vacuums have two motors in the top and are usually good for about 400 hours. They are easily accessed and not expensive. If one goes out, it is likely the other will shortly after.

One common part to address is the carbon brushes. These will cause the motors to fail prematurely. Inspection of the carbon brushes is suggested at least every two months. It is a good idea to have some spares so you don’t lose any revenue. It is not uncommon to burn through a vacuum motor each 45-60 days, especially in you have 4-6 bays in your facility. When checking your brushes, also make sure the vacuum motors are secured. A loose motor can cause poor suction due to the motor impeller not being centered over the inlet. If the pressure is down, check your vacuum hoses for possible holes.

Another possible cause is if the trap door is ajar, but sometimes the motor will need replacing. If you find dirt around the vacuum motor, check to see if the filter bag is torn or not seated right. Proper maintenance and care will ensure continuous operation and revenue. The industry average for a car wash vacuum is about $400 per month in earnings. If you have several vacuums you can see the importance of taking good care of this equipment. Below are vacuums suited for replacement on car wash vacuums and central vacuum systems. Check your owner’s manual to ensure proper matches of the replacement motor before ordering.



By-Pass Design Motors


Our By-Pass vacuum motors are designed so that the air drawn in by the fan by-passes the motor and uses a separate fan to cool down the motor. These motors are used primarily in wet application such as a floor scrubber or a wet tank vacuum.

JE Adams Vacuum Replacement Motor

Vacuum Motor
  • Replacement Parts - Motors and Motor Accessories
  • Figures based on a 2" orfice
  • Amp Draw = 7.6
  • Hours = 800-1000
  • Air Watts = 38.05
  • Air Flow (CFM) = 96.1
  • Suction (In H20) = 3.21
  • HOW TO CHANGE YOUR MOTOR BRUSHES
MODEL DESCRIPTION Air Watts PRICE
8055EM Vacuum Motor 38.05 $90.20add to cart
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By-Pass Design Motors

Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 43.6"
  • Maximum Air Watts: 98
  • Maximum Air Flow: 66.4 CFM
  • Motor Speed: 12,750 RPM
  • Warranty: 1 Year
  • Replaces OEM: 096773, 116155-00 LAMB/ AMATEK, 130995, 2-22-02139, 202304, 202305, 202314, 3096773, 3426, 372031, 372241, 375326, 376365, 56096773, 56202304, 56376365, 600258, 600260, 603015, 607003, 716312, 716732, 875204, 96773, F716312, F716732, VM-1 GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86601190 2 Stage Dual Ball Bearing Motor 24VDC / 14.2 Amp $150.15add to cart
Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 47.3"
  • Maximum Air Watts: 113
  • Maximum Air Flow: 70.7 CFM
  • Motor Speed: 13,350 RPM
  • Warranty: 1 Year
  • Replaces OEM: 0224329, 023956, 116156-00 LAMB/ AMATEK, 16278, 202320, 202321, 202322, 202324, 27212030, 27859, 3023956, 380900, 3818, 469-760-860, 469760860, 56023956, 56202321, 600262, 621-267-000, 621267000, 63230, 741125, 895251, F741125

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854510 2 Stage Dual Ball Bearing Motor 36V / 10.6 Amp $246.75add to cart
Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 81.8"
  • Maximum Air Watts: 300
  • Maximum Air Flow: 97 CFM
  • Motor Speed: 17,925 RPM
  • Replaces OEM: VM-13 GRACO, 115894, 116207-00, 116392-00 LAMB/ AMATEK, 130402, 130415, 24248, 25151, 360-04A, 385587, 44906A, 675210, 675211, 740232, 8.685-442.0, S591P, SL-004-2

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854420 2 Stage Dual Ball Bearing Motor 120V / 10.6 Amp $95.00add to cart
Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 7.2"
  • Sealed Vacuum: 134"
  • Maximum Air Watts: 403
  • Maximum Air Flow: 92.1 CFM
  • Motor Speed: 17,325 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-17 GRACO, 115962 LAMB/ AMATEK, 249525, 56249525

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86724030 2 Stage Dual Ball Bearing Motor 120V $270.00add to cart
Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 7.2"
  • Sealed Vacuum: 110"
  • Maximum Air Watts: 384
  • Maximum Air Flow: 102.7 CFM
  • Motor Speed: 17,400 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-11 GRACO, 115334 LAMB/ AMATEK

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854400 2 Stage Dual Ball Bearing Motor 120V / 13.5 Amp $279.00add to cart
Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 7.2"
  • Sealed Vacuum: 110"
  • Maximum Air Watts: 392
  • Maximum Air Flow: 105.4 CFM
  • Motor Speed: 17,200 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-12 GRACO, 11586, 115937 LAMB/ AMATEK, 130400, 33-1394, 53020, 53042, 675216, 675216-6, 675219, 735241

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86855050 1 Stage Ball Bearing/Sleeve Motor 120V $97.00add to cart
Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Peripheral
  • Bearings: Ball Bearing/Sleeve
  • Base size: 5.7"
  • Sealed Vacuum: 50.1"
  • Maximum Air Watts: 188
  • Maximum Air Flow: 95 CFM
  • Motor Speed: 19,750 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-8 GRACO, 116325-00 LAMB/ AMATEK, 56024279

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MODEL DESCRIPTION VOLTAGE PRICE
GM-68026750 2 Stage Ball Bearing/Sleeve Motor 115V $94.00add to cart
Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Peripheral
  • Bearings: Ball Bearing/Sleeve
  • Base size: 5.7"
  • Sealed Vacuum: 83.4"
  • Maximum Air Watts: 274
  • Maximum Air Flow: 94 CFM
  • Motor Speed: 18,225 RPM
  • Warranty: 1 Year
  • Replaces OEM: WD15, 0226355, 023867, 11233, 115757, 116336-00 LAMB/ AMATEK, 14800, 1902, 207195, 207802, 208217, 209423, 209425, 209977, 23867, 296439, 380001, 38001, 44903A, 56023867, 56207195, 56207802, 56209307, 56209977, 600264, 600270, 655207, 655210, 665291, 716313, 8.685-502.0, F716313, VM-7 GRACO

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86855020 2 Stage Ball Bearing/Sleeve Motor 120V $82.00add to cart
Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Peripheral
  • Bearings: Ball Bearing/Sleeve
  • Base size: 5.7"
  • Sealed Vacuum: 76.2"
  • Maximum Air Watts: 220
  • Maximum Air Flow: 87.7 CFM
  • Warranty: 1 Year
  • Replaces OEM: 023953, 0297890, 116125-00 LAMB/ AMATEK, 23953, 44905A, 655215, VM-21 GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86634840 2 Stage Ball Bearing/Sleeve Motor 240V / 4.4 Amp $150.15add to cart
Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Acustek
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 70.5"
  • Maximum Air Watts: 154
  • Maximum Air Flow: 66.5 CFM
  • Motor Speed: 13,541 RPM
  • Warranty: 1 Year
  • Replaces OEM: 116598-13 LAMB/ AMATEK, 130397, 47153, 53198, 53755, SL02303-J, SL02303J, VM-43 GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86005400 3 Stage Dual Ball Bearing Motor 24VDC $195.30add to cart
Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 74.1"
  • Maximum Air Watts: 186
  • Maximum Air Flow: 78.5 CFM
  • Motor Speed: 14,195 RPM
  • Warranty: 1 Year
  • Replaces OEM: 116512-13 LAMB/ AMATEK, VM-24 GRACO, 0782-117, 024373, 0229513, 10914, 16272, 16277, 2790091, 27-009-01

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86601200 3 Stage Dual Ball Bearing Motor 36V / 17.55 Amp $186.90add to cart
Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Acustek
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 119.6"
  • Maximum Air Watts: 382
  • Maximum Air Flow: 100 CFM
  • Motor Speed: 18,000 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-33 GRACO, 116197-00, 116566-00, 116566-13, 116764-13 LAMB/ AMATEK, 48-039-9, 4890399, 53142, 53704, 56209095, 8.685-476.0

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854760 3 Stage Dual Ball Bearing Motor 120V $169.00add to cart
Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 117.4"
  • Maximum Air Watts: 368
  • Maximum Air Flow: 99 CFM
  • Motor Speed: 17,700 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-31 GRACO, 116565-29 LAMB/ AMATEK, 262584, 48-9-464-1, 4894641, 53707, 56024331, 562584, 56262536, 56262584, 8.685-474.0

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854740 3 Stage Dual Ball Bearing Motor 120V $182.00add to cart
Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 7.2"
  • Sealed Vacuum: 134"
  • Maximum Air Watts: 403
  • Maximum Air Flow: 92.1 CFM
  • Motor Speed: 17,325 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-14 GRACO, 116103-00 LAMB/ AMATEK, 117507-13, 130404, 53021, 830884, S611P

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854460 3 Stage Dual Ball Bearing Motor 120V $303.00add to cart

Thru-Flow Design Motors


Our Thru-Flow, also known as thru-pass, vacuum motors do not use a separate cooling fan to cool down the motor, instead they pull the air surrounding the motor and use it to cool the motor off. These thru-flow motors are used primarily in dry applications such as vacuum cleaners and dry tank vacuums.

Vacuum Motor
  • Motor Type: Thru-Flow
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 91.2"
  • Maximum Air Watts: 245
  • Maximum Air Flow: 95 CFM
  • Motor Speed: 18,390 RPM
  • Warranty: 1 Year
  • Replaces OEM: 116883-50 LAMB/ AMATEK, 130418, 207197, 300381, 56300381, 600224, 600266, B000479, VM-3 GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86671510 2 Stage Dual Ball Bearing Motor 120V / 7.6 Amp $103.95add to cart
Vacuum Motor
  • Motor Type: Thru-Flow
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 91.2"
  • Maximum Air Watts: 245
  • Maximum Air Flow: 95 CFM
  • Motor Speed: 18,390 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM-4 GRACO, 023371, 116883-00 LAMB/ AMATEK, 14699, 23371, 44904A, 56023371, 5780, 665241, 665270, 8.685-482.0

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854820 2 Stage Dual Ball Bearing Motor 120V $78.00add to cart
Vacuum Motor
  • Motor Type: Thru-Flow
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 76"
  • Maximum Air Watts: 181
  • Maximum Air Flow: 94.7 CFM
  • Motor Speed: 22,950 RPM
  • Warranty: 1 Year
  • Replaces OEM: 0211501, 0500830, 116378-00 LAMB/ AMATEK, 1419, 1419UL, 300543, 40191A, 56014A, 577-637-800, 577637800, VM-19 GRACO OEM, VM-32 GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86603040 2 Stage Dual Ball Bearing Motor 120V / 7.5 Amp $124.95add to cart
Vacuum Motor
  • Motor Type: Thru-Flow
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 91.2"
  • Maximum Air Watts: 245
  • Maximum Air Flow: 95 CFM
  • Motor Speed: 18,390 RPM
  • Warranty: 1 Year
  • Replaces OEM: 0297807, 116311-01 LAMB/ AMATEK, 56323177, VM-51 GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86634780 2 Stage Dual Ball Bearing Motor 120V / 7.6 Amp $112.35add to cart
Vacuum Motor
  • Motor Type: Thru-Flow
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Warranty: 1 Year
  • Replaces OEM: 119322-00 LAMB/ AMATEK, VM-53 GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86657610 1 Stage Dual Ball Bearing Motor 120V $124.95add to cart
Vacuum Motor
  • Motor Type: Thru-Flow
  • Discharge: Peripheral
  • Bearings: Ball Bearing/Sleeve
  • Base size: 5.7"
  • Sealed Vacuum: 63"
  • Maximum Air Watts: 187
  • Maximum Air Flow: 112
  • Warranty: 1 Year
  • Replaces OEM: VM-6 GRACO, 116309-00, 116455-50, 116881-50 LAMB/ AMATEK, 130988, 325096, 44900A, 44900A-7, 53614, 56325096, 600274, 625242, 625273, 8.685-499.0

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86854990 1 Stage Ball Bearing/Sleeve Motor 120V $55.00add to cart

A+ Design Motors

Thru-Flow Vacuum Motor
  • Motor Type: Thru-Flow
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum 63"
  • Maximum Air Watts: 187
  • Maximum Air Flow: 112 CFM
  • Warranty: 1 Year
  • Replaces OEM: VM6A+ GRACO OEM, V36S20L0700, 116881-50 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86258550 1 Stage Dual Ball Bearing Motor 120V / 6.7 Amp $49.35add to cart
Thru-Flow Vacuum Motor
  • Motor Type: Thru-Flow
  • Discharge: Peripheral
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 91.2"
  • Maximum Air Watts: 245
  • Maximum Air Flow: 95 CFM
  • Motor Speed: 18,390 RPM
  • Warranty: 1 Year
  • Replaces OEM: 0297801, 53001, 53001R, 53209, V36D28L0800, 116883-00 LAMB AMATEK, VM4A+ GRACO OEM

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MODEL DESCRIPTION VOLTAGE PRICE
GM-86854910 2 Stage Dual Ball Bearing Motor 120V / 7.6 Amp $78.75add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Warranty: 1 Year
  • Replaces OEM: VM7A+ GRACO OEM, 53082, V3HD28L0900, 116336-00 LAMB AMATEK, 116757, 6757, 116212, 6212, 115477, 5477, 115757, 115407, 116758, 115737, 5407 5757

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86258410 2 Stage Dual Ball Bearing Motor 120V / 7.9 Amp $67.20add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Warranty: 1 Year
  • Replaces OEM: VM13A+ GRACO OEM, V3DD28L0900, VM-13C, 115392-00 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86028720 3 Stage Dual Ball Bearing Motor 120V / 8 Amp $90.30add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 67.6:
  • Maximum Air Watts: 142
  • Maximum Air Flow: 69 CFM
  • Motor Speed: 12,517 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM23A+ GRACO OEM, 0227475, 1025106, 130477AM, 51049A, 9002562, AS26050-1, V3DT38I0501, 116515-13 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86854560 3 Stage Dual Ball Bearing Motor 24VDC / 26 Amp $171.15add to cart
By-Pass Vacuum Motor
  • Motor: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 117.4"
  • Maximum Air Watts: 368
  • Maximum Air Flow: 99 CFM
  • Motor Speed: 17,700 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM25A+ GRACO OEM, V3DT38L1201, 116565-13 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86854590 3 Stage Dual Ball Bearing Motor 120V / 10.7 Amp $123.90add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 47.3"
  • Maximum Air Watts: 113
  • Maximum Air Flow: 71 CFM
  • Motor Speed: 13,300 RPM
  • Warranty: 1 Year
  • Replaces OEM: 86012210, 116158-01 LAMB AMATEK, VM27A+ GRACO OEM

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86012210 2 Stage Dual Ball Bearing Motor 35VDC / 10.6 Amp $187.95add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Warranty: 1 Year
  • Replaces OEM: VM29A+ GRACO OEM, 08603888, 1017757, 51050A, 53797, V3DD28I0400, 116157-00 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86005440 2 Stage Dual Ball Bearing Motor 24VDC / 14.2 Amp $194.25add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 74"
  • Maximum Air Watts: 185
  • Maximum Air Flow: 76 CFM
  • Motor Speed: 14,188 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM30A+ GRACO OEM, 56397228, V3DT38I0700, 116513-29 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86026840 3 Stage Dual Ball Bearing Motor 36VDC / 17.55 Amp $181.65add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass
  • Discharge: Acustek
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 119.6"
  • Maximum Air Watts: 382
  • Maximum Air Flow: 100 CFM
  • Motor Speed: 18,000 RPM
  • Warranty: 1 Year
  • Replaces OEM: 116764-13 LAMB AMATEK, VM33A+ GRACO OEM

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86854770 3 Stage Dual Ball Bearing Motor 120V / 11 Amp $159.60add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Warranty: 1 Year
  • Replaces OEM: VM34A+ GRACO OEM, 290-250, 53801, S53801, V3DT38I0500, 116516-29 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86005460 3 Stage Dual Ball Bearing Motor 24VDC / 11 Amp $186.90add to cart
By-Pass Vacuum Motor
  • Motor Type: By-Pass with Tangental Discharges
  • Bearings: Dual Ball Bearing
  • Base size: 5.7"
  • Sealed Vacuum: 74"
  • Maximum Air Watts: 185
  • Maximum Air Flow: 76 CFM
  • Motor Speed: 14,188 RPM
  • Warranty: 1 Year
  • Replaces OEM: VM280A+ GRACO OEM, 32050-1, 3393361, 53177, AS32050-1, V3DT38I0701, 116513-13 LAMB AMATEK

(Shipping charge of $8.95 will apply on these items if the total order is less than $69.00)

MODEL DESCRIPTION VOLTAGE PRICE
GM-86258480 3 Stage Dual Ball Bearing Motor 36VDC / 17.55 Amp $168.00add to cart

Procedure for Changing Carbon Brushes

1. Disconnect motor from the power source before attempting any repair.

2. Disconnect and change the brushes in the following manner:

For 5.7” (145 mm) Diameter Motors

  • Insert a standard blade screw driver between the top of the brush mechanism and the brush lead wire clip and gently tap the screwdriver handle until the clip touches the commutator. Some models have blade terminals on the brush holder. For these units, remove the connector from the blade terminal. For bypass motors, it is necessary to carefully remove the ventilation fan cover first.
  • Remove the brush clamp screws with a Phillips screwdriver.
  • Once the brush mechanism is free, remove the brush clip.
  • To install new brush mechanism, first insert the brush clip between the nylon insulator and the brass and push in straight by hand. Use needle nose pliers to gently seat the clip. For the units with a blade terminal on the brass sleeve of the brush mechanism, push the connector on to the terminal.
  • Insert the locator tab on the bottom of the brush mechanism into the corresponding hole on the top of the commutator end bracket and secure the brush mechanism with the brush clamp and screws that were earlier removed.

For 7.2” (183 mm) Diameter Vacuum Motors

  • Insert a blade screwdriver under the tab on the brush-retaining clip at the top of the commutator bracket and pry up to remove.
  • Remove the brush mechanisms by disconnecting the field lead terminals.
  • Install new brush mechanisms, first connecting the field lead terminals.
  • Insert the brush mechanism into the motor with the carbon toward the commutator. Make certain that the brush mechanism does not extend beyond the outside diameter of the motor.
  • Replace the brush retaining clips, making sure that the clips are pressed below the top surface of the commutator bracket.

3. To properly seat the new brushes to the commutator face and enhance the performance and overall life of the brush, the motor must be run at half voltage for 30 minutes with an orifice plate. If a variac or other voltage control device is not available, two motors may be run in electrical series. This reduces the voltage to each motor, as each will receive approximately half of the supply voltage. The following diagram shows the connection of two motors in electrical series. Connect one lead from each motor, using a wire nut. Connect the other two leads to the power source.