Yale Series Y80 manual 12756H

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12756H

Figure 9-3. Hoist Motor Brake - Later Version.

Ref.	Part		Qty.
No.	Number	Description	Req’d.
	800-2401	Motor Brake Assembly (Includes Ref. Nos. 1 thru 31)	1
1	*	Acorn Nut - Plated (#10-32)	2
2	800-2402	Brake Cover Assembly (Includes Brake Cover and Label Inside Cover)	1
3	*	Cover Stud	2
4	*	Gasket	1
5	*	Phillips Pan Head Self Tapping Screw - Plated (#10-32 x 1-3/4)	4
6	*	Solenoid Frame Cover Assembly	1
7	*	Hex Key (1/8 - 3/4 x 2)	1
8	800-2410†	Sol enoid Coil Assembly	1
9	*	Tubing	3
10	*	Hex Nut - Plated (#10-32)	2
11	800-2411	Solenoid Frame	1
14	*	Hex Head Self Locking Nut - Plated (#10-32)	2
15	800-2403	Solenoid Support	1
16	*	Hex Washer Head Thread Forming Screw - Plated (#10-32 x 1/4)	2
17	*	Solenoid Plunger	1
18	*	Hex Socket Head Set Screw - Oval Point (1/4-28 x 1)	1
19	*	Hex Socket Shoulder Screw (#10-24 x 1)**	1
20	*	Hex Head Self Locking Nut - Plated (#10-24)**	1
21	*	Brake Spring (Use Red Spring Only)	1
22	*	Brake Lever Assembly	1
23	*	Pressure Pad	2
24		Brake Disc (Non-asbestos)	1
25	*	Brake Support Stud	2
26	*	Separating Spring	2
27	800-2404	Brake Mounting Plate	1
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		Lock Washer (3/8)	2
		Wire Nuts — Not Shown (No. 22 thru 14 AWG)	4

*Not available as individual parts. See replacement kits listed below.

**Later models have a hex socket head screw (1/4-20 x 1-1/2) with a hex head self locking nut - plated (1/4-20). Kits include quantities shown above.

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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 Section III Operation Operating PrecautionsPush Button Operation Section IV Lubrication Lubricate Upper Sheave and Lower Block AssemblyLubricate 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 IX Parts List Section Viii Wiring DiagramsIndex 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