Yale Series Y80 manual Hoist Motor Brake Early Version

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12756A

Figure 9-4. Hoist Motor Brake - Early Version.

Ref.	Part		Qty.
No.	Number	Description	Req’d.
		Motor Brake Assembly (Includes Ref. Nos. 1 thru 32)	1
	800-1400	Short Frame Models Only
	800-1401	Other Models
1	*	Acorn Nut (#10-32)	2
2	800-1402	Brake Cover Assembly (Includes Brake Cover and Label Inside Cover)	1
3	*	Cover Stud	2
4	*	Gasket	1
5	*	Hex Washer Head Thread Forming Screw (#10-32 x 1 -3/4)	4
6	*	Solenoid Frame Cover Assembly	1
7	*	Hex Key (1/8-3/4 x 2-1/4)	1
8	*	Solenoid Coil Assembly	1
9	*	Tubing	3
10	*	Hex Nut (#10-32 Pltd.)	2
11	*	Solenoid Frame	1
14	*	Hex Head Self-Locking Nut (#10-24)	2
15	800-1403	Solenoid Support	1
16	*	Hex Washer Head Thread Forming Screw (#10-32 x 1/4)	2
17	*	Solenoid Plunger	1
18	800-1404	Hex Socket Head Self-Locking Set Screw - Oval Point (1/4 - 28 x 1)	1
20	*	Clevis Pin (3/16 x 1-1/4)	1
21	*	Flat Washer	2
22	*	Brake Spring	1
23	*	Brake Lever Assembly	1
24	*	Pressure Pad	2
25	*	Brake Disc (Non-asbestos)	1
26	*	Brake Support Stud	2
27	*	Separating Spring	2
28	*	Hex Socket Head Self-Locking Set Screw - Cup Point (1/4 - 20 x 3/8)	2
29	*	Brake Hub	1
30	*	Hex Socket Head Screw (3/8 - 16 x 3/4)	2
31	800-1405	Brake Mounting Plate	1
32	*	Wire Nuts — Not Shown (No. 22 thru 16 AWG)	4

* Not available as individual parts. See replacement kits listed below. Kits include quantities shown above. Page 30

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Contents Including Rated Loads 1/2 Thru 5 TonsForeword IndexSection II Installation Section I General DescriptionPRE-OPERATION Checks Limit Stop Mechanism Being Tripped By Lower Block Operating Precautions Section III OperationPush Button Operation Lubricate Upper Sheave and Lower Block Assembly Section IV LubricationLubricate Limit Stop Lever Section Inspection and Preventive Maintenance Inspect Lower Block Inspect Upper Block and Hoist SuspensionInspection Schedule and Maintenance Report Time Interval Inspection or Maintenance Inspect Mechanical Load BRAKE, GearingRemoving Intermediate Gear Pinion Assembly Inspect Rope Drum and Shaft Rope INSPECTION, Maintenance and Replacement Rope ReevingTurn OFF Power to Hoist 12204A Testing Hoist and Overload Clutch Optional Do not lift more than rated load except for test purposes Section Vl Trouble Shooting Probable Cause Remedy Section Vl Trouble Shooting Probable Cause Remedy Section Vll Adjustments Section Viii Wiring Diagrams Section IX Parts ListIndex of Exploded View Parts Illustrations Part Qty Number Description Part Qty Number Description Req’d †Recommended spares 11456LC Gearing and Load Brake Parts. Cont’d 12756H Kit Description Part Number Reference Numbers Included Hoist Motor Brake Early Version Hoist Motor Brake. Cont’d Qty Req’d 11460 12748A Not available separately. Order Push Button Station 12721A Push Button Station and Conductor Cable Assembly. Cont’d 12721 10. Push Button Station and Conductor Cable Assembly. Cont’d 11. Lower Block Assembly Two Parts Rope, Single Reeved 12. Lower Block Assembly-Two Parts Double Reeved Quantity Required 14. Screw-Type Limit Switch Parts Warranty