Chamberlain HD150DM 1/3 HP, HD175DM 1/2 HP Motor Unit Assembly Parts

Motor Unit Assembly Parts

1

20

2 4

3

						8
16	19		17	3	10	9	5
		18

		11
16	15	13
		(Down)
	14	Contact
		Brown
		Wire	DN
		Drive
		Gear

6 7

LIMIT SWITCH

ASSEMBLY

Grey

Wire

UP

				Center Limit	(Up)	Yellow
		12		Contact	Contact	Wire
KEY	PART		KEY	PART
NO.	NO.	DESCRIPTION	NO.	NO.	DESCRIPTION
1	41A5615	Chain Spreader	12	41R0370-15	Cover
2	41C4220A	Gear and sprocket assembly.	13	41A2818	Limit switch drive
		Complete with: Spring washer,			and retainer
		thrust washer, retaining ring,	14	41D3452	Limit switch assembly
		bearing plate, roll pins (2), drive
			15	41C4398A	RPM sensor assembly
		gear and worm gear, helical
			16	41C5497	High voltage wire harness
		gear w/retainer and grease
3	41A2817	Drive/worm gear kit w/grease,		41C5498	Low voltage wire harness
			17	41A2826	Motor shaft bearing kit
		roll pins (2)
4	41B4245	Line cord	18	41A2822-1	Interrupter cup assembly
5	41D181	End panels w/all labels	19	41A5021-1M-315	Receiver logic board
6	175B88	Light socket			assembly.
					Complete with: Logic
7	108D36-2	Lens
					board, end panel w/all
8	30B532	Capacitor - 1/2 HP
					labels, light socket
	30B533	Capacitor - 1/3 HP	20	41A5014-3	End panel w/all labels
9	12A373	Capacitor bracket
					NOT SHOWN
10	41A3150	Terminal block w/screws
				41A2825	Opener assembly
11	41D3058	Universal replacement motor &
					hardware kit (includes

bracket assembly.	screws not designated by
Complete with: Motor, worm,
	a number in illustration)
bracket, bearing assembly, RPM
sensor

38