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Summary of Contents for Boston gear ORC-S Series
- Page 1 Boston Gear ® ORC-S Series Trig-O-Matic Overload Release Clutches Installation & Operation Instructions P-3003-BG ORC-S Series...
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Page 2: Table Of Contents
For a clutch with the automatic reset feature, the reset pawl applies pressure to the top of the drive pawl, holding it in contact with the rotor as shown in Figure 3. 2 Boston Gear • 800-825-6544 P-3003-BG... -
Page 3: Resetting Instructions
Reset the clutch by inserting a hex wrench into the reset screw (Stamped 20) shown in Figure 4, and turn the screw clockwise until the reset pawl releases the drive pawl. Refer to Table 5 for the proper wrench size. Boston Gear • 800-825-6544 P-3003-BG 3... -
Page 4: Torque Adjustment
Trip Pin depth of the desired torque setting. Release Ring c. Check its operation. Return Spring 3. See Figure 6 for Limit Switch Actuating Actuating Stud Nut Mechanism adjustment. Spring Terminal 4 Boston Gear • 800-825-6544 P-3003-BG... -
Page 5: Il. Mounting Sprockets Or Sheaves To Clutch
— — — — — — — — — — — Notes: 1. X - On Application Only. 2. For smaller sprockets consult factory. As in most cases, a design modification can be made. Boston Gear • 800-825-6544 P-3003-BG 5... - Page 6 1. The “E” Dimension on Table shows pawl trunnion holes. These holes 2. Dowel pins must be minimum 150,000 PSI shear, Rc 50-58 core are not through holes and they should be avoided when mounting a hardness. coupling, sprocket, etc. to the clutch. 6 Boston Gear • 800-825-6544 P-3003-BG...
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Page 7: Couplings To Shaft
Overload Clutch Coupling Half Flexible Coupling B. Mounting Basic Clutch 1. Inspect shaft and key for any nicks or burrs and remove any that may be present. Motor Reducer Machine Figure 10 Boston Gear • 800-825-6544 P-3003-BG 7... - Page 8 Table 7 - Coupling Setscrew Seating Torques Size Screw Size Seating Torque 5/16-18 165 in. lb. 3/8-16 290 in. lb. 3/8-16 290 in. lb. 1/2-13 620 in. lb. 1/2-13 620 in.lb. 1/2-13 620 in.lb. Figure 13 8 Boston Gear • 800-825-6544 P-3003-BG...
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Page 9: Mounting Type "C" Flexible Coupling
The shafts must be aligned until no offset exists or is equal at all points around the periphery. a. Measure the gap around the periphery between the coupling flange and the clutch housing without rotating the shafts. (See Figure 14). Boston Gear • 800-825-6544 P-3003-BG 9... -
Page 10: Limit Switches
The actuating plate must be reset by manually pushing it back into position. The clutch must be engaged when 5/8-11 1,200 in.lb. resetting the plate or the plate will not reset when the clutch is disengaged. 10 Boston Gear • 800-825-6544 P-3003-BG... -
Page 11: General Maintenance
However, the actual spring (19), and the ball thrust (20) through the hole frequency should be in accordance with good operating stamped 9. practices for the equipment on which the clutch is installed. Boston Gear • 800-825-6544 P-3003-BG 11... -
Page 12: Basic Unit Assembly
(12). 5. Coat the inside of the housing and all components with a quality all-purpose grease. A Bentone type, NLGI grade 0 grease or equivalent is recommended. Figure 17 12 Boston Gear • 800-825-6544 P-3003-BG... -
Page 13: Torque Verification
5/8-11 1,700 in.lb. each trip pin located next to the trip plate. 8. Place the trip plate flat on a table with counterbored holes facing up. Insert the thrust springs (37) into the counterbores. Boston Gear • 800-825-6544 P-3003-BG 13... - Page 14 20. Press down on the trip plate (31) until it stops against the trip pins. 14 Boston Gear • 800-825-6544 P-3003-BG...
- Page 15 NOTES Boston Gear • 800-825-6544 P-3003-BG 15...
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Page 16: Exploded Parts View
ORC Series, Model S with Limit Switch Pin (LSAP) Types SA & SM 16 Boston Gear • 800-825-6544 P-3003-BG... - Page 17 Reset Pawl -001 -003 specifications contained herein are subject to change without notice. **Dependent upon bore—consult the factory. Note: Please include clutch catalog number when ordering any spare parts. Boston Gear • 800-825-6544 P-3003-BG 17...
- Page 18 ORC Series, Model S with Limit Switch Actuation Mechanism (LSAM) Types SB, SC, SP & SS 18 Boston Gear • 800-825-6544 P-3003-BG...
- Page 19 Reset with Pin Actuator P – Bored to Size (in 1/16") T – Sprocket Mount T# – Special Feautures Contact Boston Gear Engineering M – Blank– Standard Paint Metric Bored to Size SP – Standard Model, Manual C – Flexible Coupling B1 –...
- Page 20 No employee, agent, distributor, or other person is authorized to give additional warranties on behalf of Boston Gear, nor to assume for Boston Gear any other liability in connection with any of its products, except an officer of Boston Gear by a signed writing.
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