LiftMaster J J -New style with thermal overload Manual - Page 23

Model J Replacement Parts, Individual Parts, K72-19974 Output Shaft Assembly Kit

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REPLACEMENT PARTS - MODEL J Refer to the parts lists below for replacement parts available for your operator. If optional modifications and/or accessories are included with your operator, certain components may be added or removed 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 16 for all repair part ordering information. INDIVIDUAL PARTS ITEM PART # DESCRIPTION QTY 1 10-10874 Connecting Bracket 2 2 10-15569 Motor Plate H, J-Paint 1 3 16-5L304 V Belt Cogged 30.4" 1 N/S 19-48047M Chain, #48 x 47 w/Master 4 6 K75-19978-L Svc. Kit, Frame. (LH) 1 7 K75-19978-R Svc. Kit, Frame, (RH) 1 8 K75-19977 Svc. Kit, J Arm 1 9 17-6014 Motor Pulley 1 10 See Pgs 18 - 19 Motor Kits 1 11 See Pgs 18 - 19 Electrical Box Kits 1 K72-19974 OUTPUT SHAFT ASSEMBLY KIT ITEM O1 O2 O3 O4 O5 O6 O7 O8 O9 O10 O11 O12 PART # 11-19485 15-19478 15-19480 15-48B18LGE 15-50B12LGH 158A0056 80-206-11 80-207-19 82-NH31-06 86-RP10-112 87-P-100S 80-206-12 DESCRIPTION QTY Shaft, H/J Output 1 Sprocket Assembly 1 Dual Sprocket 32/14 1 Sprocket 48B18 x 1" Boresprkt 1 50B12 x 1" Bore 1 E Ring, 1" Plated 1 Washer 1" ID x 1/16" TH 1 Key 1/4 x 1-1/2" Long 2 Set Screw, 5/16" - 18 3 Roll Pin, 5/16" x 1.75" 1 Thin Walled Receiver 4 Spacer 3 K72-19975 CLUTCH SHAFT ASSEMBLY KIT ITEM C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 PART # 11-19470 12-19504 15-19480 15-19484 158A0056 18-19487 75-19985 80-19473 80-19474 80-19475 80-19476 80-19846 80-206-11 86-RP10-112 DESCRIPTION QTY Shaft, J Clutch 1 1" Keyed Flange Bearing 2 Dual Sprocket 32/14 1 Splined Core Sprocket 1 E-Ring, 1" Plated 4 Compression Ring 1 Assembly Pulley 1 Washer, .048 Thick 1 Thrust Bearing, 1.02" ID 1 Thrust Bearing, 1.26" ID 1 Retaining Ring 1 Splined Hub, J Disconnect 1 Washer 1" ID x 1/16" TH 5 Roll Pin, 5/16" x 1.75" 1 23

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REPLACEMENT PARTS – MODEL J
Refer to the parts lists below for replacement parts available for your operator. If optional modifications and/or accessories are included
with your operator, certain components may be added or removed 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 16 for all
repair part ordering information.
INDIVIDUAL PARTS
ITEM
PART #
DESCRIPTION
QTY
1
10-10874
Connecting Bracket
2
2
10-15569
Motor Plate H, J-Paint
1
3
16-5L304
V Belt Cogged 30.4"
1
N/S
19-48047M
Chain, #48 x 47 w/Master
4
6
K75-19978-L
Svc. Kit, Frame. (LH)
1
7
K75-19978-R
Svc. Kit, Frame, (RH)
1
8
K75-19977
Svc. Kit, J Arm
1
9
17-6014
Motor Pulley
1
10
See Pgs 18 – 19
Motor Kits
1
11
See Pgs 18 – 19
Electrical Box Kits
1
K72-19974 OUTPUT SHAFT ASSEMBLY KIT
ITEM
PART #
DESCRIPTION
QTY
O1
11-19485
Shaft, H/J Output
1
O2
15-19478
Sprocket Assembly
1
O3
15-19480
Dual Sprocket 32/14
1
O4
15-48B18LGE
Sprocket 48B18 x 1" Boresprkt
1
O5
15-50B12LGH
50B12 x 1" Bore
1
O6
158A0056
E Ring, 1" Plated
1
O7
80-206-11
Washer 1" ID x 1/16" TH
1
O8
80-207-19
Key 1/4 x 1-1/2" Long
2
O9
82-NH31-06
Set Screw, 5/16" – 18
3
O10
86-RP10-112
Roll Pin, 5/16" x 1.75"
1
O11
87-P-100S
Thin Walled Receiver
4
O12
80-206-12
Spacer
3
K72-19975 CLUTCH SHAFT ASSEMBLY KIT
ITEM
PART #
DESCRIPTION
QTY
C1
11-19470
Shaft, J Clutch
1
C2
12-19504
1" Keyed Flange Bearing
2
C3
15-19480
Dual Sprocket 32/14
1
C4
15-19484
Splined Core Sprocket
1
C5
158A0056
E-Ring, 1" Plated
4
C6
18-19487
Compression Ring
1
C7
75-19985
Assembly Pulley
1
C8
80-19473
Washer, .048 Thick
1
C9
80-19474
Thrust Bearing, 1.02" ID
1
C10
80-19475
Thrust Bearing, 1.26" ID
1
C11
80-19476
Retaining Ring
1
C12
80-19846
Splined Hub, J Disconnect
1
C13
80-206-11
Washer 1" ID x 1/16" TH
5
C14
86-RP10-112
Roll Pin, 5/16" x 1.75"
1