Chamberlain HMJ, Owner'S Manual

Page: 21 / 24

21
REPLACEMENT PARTS LIST – MODEL
HMJ
ITEM PART# DESCRIPTION
1 11-19470* Clutch Shaft - J
2 12-19504 Keyed Flange Bearing 1"
3 15-19480 Dual Sprocket 32/14
4 15-19484 Splined Core Sprocket
5 18-30957 Compression Spring
6 75-19985* Pulley Assembly
7 80-19846 Splined Hub, J Disconnect
8 15-19478 Sprocket Assembly
9 15-48B18LGE Sprocket 48B18x1"
10 15-50B12LGH Sprocket 50B12x1"
11 16-5L304 Cogged Belt 30.4"
12 K75-19978-L Frame Kit (LH)
13 K75-19978-R Frame Kit (RH)
14 K75-19977 J Arm Kit
15 17-6014 Motor Pulley
16 See Motor Replacement Kits, page 63
Not Shown
19-48047M Roller Chain, #48x47 Pitch
with Master Link
SERVICE KITS INDIVIDUAL PARTS
ITEM PART# DESCRIPTION
K1 K72-19975 Clutch Shaft Kit
Complete with: Clutch Shaft,
1" Keyed Flange Bearings, Dual
Sprocket 32/14, Splined Core
Sprocket, E-Ring, Compression Spring,
Pulley Assembly, Washers, Thrust
Bearing, Retaining Ring, Splined Hub
and Roll Pin.
K2 K72-19974 Output Shaft Kit
Complete with: Output Shaft, Sprocket
Assembly, Dual Sprocket 32/14,
Sprocket 48B18x1" Bore, Sprocket
50B12x1" Bore, Ring, Washers, Set
Screw, Roll Pin and Thin Walled
Receiver.
Not Shown
71-B120H* Brake Kit, 115 Volt Models
71-B240H* Brake Kit, 230-460 Volt Models
71-B575H* Brake Kit, 575 Volt Models
Complete with: Brake Hub Kit, Brake
Release Lever, Brake Disk, Spring Cup,
Studs, Compression Springs, Brake
Solenoid, Solenoid Cover, Spacers,
Mounting Plate, Pressure Plate,
Feather Key and Conduit.
* Call for Pricing and Availablity