Boston gear ORC-S Series, Installation & Operation Instructions

Page 1: ...Installation Operation Instructions Boston Gear ORC S Series Trig O Matic Overload Release Clutches P 3003 BG ORC S Series...

Page 2: ...ive pawl and a reset pawl which are pivoted within the clutch housing The drive pawl is held engaged in the rotor notch by the combined compression of the drive and reset springs as shown in Figure 1...

Page 3: ...ich is approximately flush with the O D of the clutch housing This is essential to restore the torque to its original setting d Reducing the clutch torque setting may make the reset procedure easier i...

Page 4: ...itch Actuating Mechanism LSAM In some cases it may be necessary to adjust the actuating mechanism This is accomplished by first setting the clutch at the minimum torque settings and second disengaging...

Page 5: ...seating torques 4 Finish ream sprocket or sheave for dowel pin Refer to Table 1 for dowel pin and recommended ream sizes 5 Install dowel pins to a point where they bottom in housing B Type B Housing...

Page 6: ...37 18 37 1 875 81 3 1 25 1 62 1 94 29 50 2 750 94 4 1 56 2 12 2 37 43 56 2 828 1 48 5 1 94 2 62 3 00 58 69 4 000 1 62 6 2 62 3 50 3 87 90 87 5 500 2 00 Notes 1 The E Dimension on Table shows pawl trun...

Page 7: ...ither location of the clutch shown in Figure 11 is preferred in indirect drive applications b The mounting location in Figure 12 is not preferred for the same reasons as those for Figure 10 Always con...

Page 8: ...1 2 5 16 5 16 1 8 1 8 6 3 4 3 4 1 2 5 16 5 16 1 8 1 8 Table 6 Rotor Setscrew Seating Torques Size Screw Size Seating Torque 1 10 32 36 in lb 2 1 4 28 87 in lb 3 3 8 24 290 in lb 4 1 2 20 620 in lb 5 5...

Page 9: ...re 14 b If the difference between any two points 180 degrees apart exceeds the maximum angular misalignment shown in Table 8 the shafts must be realigned c If a correction is required to satisfy angul...

Page 10: ...mit Switch Pin A Limit Switch Pin is furnished as a standard item to activate a limit switch that triggers the electrical controls The Limit Switch Pin protrudes radially from the clutch housing and i...

Page 11: ...ing practices for the equipment on which the clutch is installed VI Repair Instructions A General Disassembly 1 All item numbers in parenthesis will refer to the key numbers shown in the clutch explod...

Page 12: ...rive spring Place one end of the drive spring over the drive spring thrust washer 22 Insert the knob of the drive pawl into the other end of the drive spring Insert the trunnion of the drive pawl into...

Page 13: ...ues Clutch Size Screw Size Quantity Seating Torque 1 1 4 20 3 100 in lb 2 5 16 18 3 200 in lb 3 3 8 16 3 350 in lb 4 1 2 13 4 850 in lb 5 5 8 11 4 1 700 in lb 6 5 8 11 4 1 700 in lb Figure 18 D Limit...

Page 14: ...first 15 Slide the release ring 35 counterclockwise so that the ring engages into the grooves of the trip pins 16 Insert a spring terminal screw 41 through the other spring terminal 43 and place a sp...

Page 15: ...Boston Gear 800 825 6544 P 3003 BG 15 NOTES...

Page 16: ...3 1 5 7 24 26 25 16 3 10 17 3 2 4 25 26 5 6 14 15 19 20 11 12 13 9 8 27 18 23 22 21 16 Boston Gear 800 825 6544 P 3003 BG ORC Series Model S with Limit Switch Pin LSAP Types SA SM...

Page 17: ...5 002 1 710355 003 1 710355 004 1 710355 005 1 710355 006 1 17 Roll Pin 040942 044 1 040942 044 1 040942 045 1 040942 045 1 040942 046 1 040942 045 1 18 Drive Spring Low Torque Range L 730385 001 1 73...

Page 18: ...18 Boston Gear 800 825 6544 P 3003 BG ORC Series Model S with Limit Switch Actuation Mechanism LSAM Types SB SC SP SS...

Page 19: ...17 2 074110 017 4 074110 017 4 42 Plate Mount Screw 730561 001 4 730561 002 4 43 Spring Terminal 730421 001 2 730421 002 2 730421 002 2 730421 002 2 730421 002 4 730421 002 4 C Coupling Ass y 710296 0...

Page 20: ...liability under this limited warranty is limited to such replacement or repair and it shall not be held liable in any form of action for direct or consequential damages to property or person THE FORE...