Model JMB Manual
Contents
1. 0 Model JMB CH Parts List 159 JMB Chain Hoist Parts OSCO Drawings 2120 171 and 2700 231 on Drawing 2700 231 Detail Ref No Part No Description 1 2110 306 Chain Guide Assembly 2 2110 142 Chain Wheel Assembly 3 2200 403 Hand Wheel Spring 4 2100 944 Intermediate Shaft 5 2400 235 Spring Pin 3 16 x 1 3 4 6 2100 957 Actuator Arm 7 2500 030 Limit Switch 8 2200 360 Actuator Spring 2110 251 Actuation Slide Assembly 9 2200 218 Sprocket 48 B 10 5 8 bore 10 2110 152 Cam Plate Assembly 2110 439 Chain Hoist Intermediate Bracket 11 2200 191 Hand Chain foot CUT SIDE OF LINK 2200 270 Cable per foot TO HELP PREVENT CHAIN SLIPPAGE PLACE HAND CHAIN ON THE HAND WHEEL WITH THE 2100 1066 Operator Cover JMB CH CUT SIDE OF THE LINK TOWARD THE WHEEL 4 26 02 12 17 97 OSCO Model JMB Instructions Page 9 Parts for Optional Floor Disconnect JMB FD DISCONNECT ASSEMBLY A Drawing 2110 293 Details Model JMB FD Parts List 160 JMB Floor Disconnect Parts OSCO Drawing 2110 293 Ref No Part No Description 2110 293 Intermediate Shaft Assembly 1 2200 233 Set Collar 2 2400 187 Thrust Washer 1 8 3 2110 180 Disconnect Disc2. Yo S126 OMI OD ALWIJJJE 500 ATHE Jod E gto sH Jid e ghana QL HO NI Wak ON NIGH 1d Sands aR JHL TW4 SANIT adis LMS 2408 38 aia NAAA Tegra 12 17 97
3. 4S10y asn oL y JO y 0 puke y 15 y 95 ul JOU u yM JO anpe amod BSN 104 1 1510 5 1 yeysyoe ou SIOH Weysyoer jeuondo 104 5 ars DY DAI THMa wa Whig RP RP ordi 1S Wa WAGES ALIF JAJE Bee dal JAJ Wl LEIGH LAL TOLVA JO oft OL wit HOOO LLY Ww ATW waa NSLS GAV BOTY ANV TI NOILIS J E LNA Lead LY TWA OL HY NI LOU ATAYI ADY SHOOT UNY WWO MIIHISSE a NALHDLL 7 LMA HiT HLTA 12 17 97 Page 12 OSCO Model JMB Instructions ieee o H IM J23AM Ghar ILNI ONH SNCILSAJLSNI TIVISNI F 0665 649 919 AAT BEE C08 T ie
4. 4 2400 215 E Ring 5 2110 095 Shifter Block 6 2200 293 Disconnect Spring 7 2400 213 Spring Washer 5 8 8 2400 088 Spring Pin 3 16 x 1 9 2100 666 Intermediate Shaft 10 2110 182 Yoke and Lever Assembly 11 2110 133 Fulcrum Assembly 12 2100 549 Disconnect Pivot Pin 13 2400 232 Spring Pin 1 4 x 5 8 14 2400 169 Push On Nut 2200 270 Cable per foot 2400 146 Cable Clamp 2100 866 Cable Retainer Bracket 2100 953 Operator Cover JMB FD 4 26 02 12 17 97 OSCO Model JMB Instructions Page 10 Wiring Specifications 1 From the top chart below find the section corresponding to the voltage and phase of your operator 2 The distance shown in the chart is measured in feet from the operator to the power source DO NOT EXCEED THE MAXIMUM DISTANCE 3 When large gauge wire is used a separate junction box not supplied may be needed for the operator power connection 4 Select the gauge for control wiring from the bottom chart For distances of more than 350 feet a long distance interface is required 5 Wire run calculations are based on the National Electrical Code Article 430 allowing 5 percent voltage drop 6 Supply voltage must be within 10 percent of the operator rating under load conditions not applicable for 208V 7 Connect power in accordance with local codes 8 The wire tables are based on standard copper wire Wire insulation must be suitable to the application USE COPPER WIRE ONLY Power Wiring
5. 1 2500 178 2500 177 2500 1351 2400 150 2500 416 2500 417 2500 682 2520 207 2500 212 2500 2084 2500 086 2500 113 2100 113 2500 541 2520 208 2500 791 2500 552 2100 772 2520 209 2500 791 Description Intermediate Assembly JMB only Intermediate Shaft Flange Bearing 5 8 Disconnect Hub Thumbscrew 3 8 16 x 3 4 Thrust Washer 1 16 Sprocket 48 B 10 with Plate Thrust Washer 1 8 Set Collar 5 8 Brake Assemblies 115V JMB JMB FD 230V JMB JMB FD 115V JMB CH only 230V JMB CH only 460V JMB JMB FD 460V JMB CH Brake and Puck Assembly Lever Rod JMB JMB FD Rod JMB CH Spring Mounting Plate Solenoid 115VAC Solenoid 230VAC Solenoid 460VAC Set Collar 1 4 Motors 1 2 HP 115V 1 Phase 1 2 HP 208 230V 1 Phase 1 2 HP 208 230 460V 3 Phase Control Panels 115V 1 Phase WD 2600 222 Transformer 115 24V 40VA Contactor 24VAC 4 Pole Terminal Strip 9 141 Capacitor 64 67 MFD 330V Capacitor Clamp Relay 3PDT 24VAC enclosed 208 230V 1 Phase WD 2600 154 Transformer 208 230 24V 40VA Capacitor 20 MFD 370V Capacitor Clamp 208 230V 3 Phase WD 2600 155 Transformer 208 230 24V 40VA Note This panel has no capacitor 2520 210 2500 214 Note This panel has no capacitor 460V 3 Phase WD 2600 155 Transformer 460 24V 40VA 3 2 05 12 17 97 OSCO Model JMB Instructions Page 8 Parts for Optional Chain Hoist JMB CH
6. B Mechanical Parts List OSCO Drawing 2120 200 Description Main Frame Bearing Bracket Bearing Bracket Operator Cover JMB only Louvered End Radio Terminal Strip Pop Rivet Junction Box Baffle Panel Pulley 6 diameter Brake Disc Motor Pulley 2 diameter V Belt 25 Standard 3 Button Station 48 Chain 14 Links 48 Chain 21 Links 48 Master Link Sprocket 41 B 36 41 Roller Chain per foot 41 Master Link Mounting Angle 2 required Spreader Assembly Output Shaft Assembly Shaft 1 Shaft Bracket with Bearing Sprocket 48 B 20 1 bore Set Collar 1 x 9 16 LTB Sprocket 41 B 16 1 bore Key 1 4 1 4 x1 Clutch and Cutoff Switch Assembly Sprocket 48 B 10 5 8 bore Limit Nut Thrust Washer 1 16 Thrust Washer 1 8 Spring Pin 3 16 x 1 Flange Bearing 5 8 Clutch Assembly Shaft Sprocket 48 B 30 5 8 bore Clutch Spring Shear Pin 3 16 x 1 1 4 Hex Nut 5 8 18 Jam Nut 5 8 18 Flat Washer 5 8 Cutoff Switch Assembly Cutoff Switch Switch Bracket Limit Switch Assembly Detent Plate Limit Switch Bracket Limit Switch SPDT Auxiliary Limit Switch Assembly Limit Switch Bracket Limit Switch SPDT Ref No 69 43 44 44 44 44 Part No 2110 355 2100 667 2200 195 2110 166 2400 305 2400 188 2110 239 2400 187 2200 233 2510 068 2510 069 2510 133 2510 199 2510 316 2510 315 2220 004 2100 614 2100 548 2100 949 2200 243 2100 54
7. Model JMB Commercial and Industrial Jackshaft Door Operator Safety Installation and Service Manual Shown with optional chain hoist Chain guard removed for clarity OSCO requires use of an electric edge or photoelectric control for pedestrian protection on all automatic or remotely controlled door operators OScoO OPERATOR SPECIALTY CO INC P O BOX 128 CASNOVIA MI 49318 12 17 97 OSCO Model JMB Instructions Page 2 Safety Information and Warnings Read all of the following before beginning to install the Model JMB operator 1 Read the green SAFETY INSTRUCTIONS sheet provided with the operator information It s ex tremely important that the safety warnings and precautions be understood and followed by the installing contractor Leave all instructions with the end user 2 Do not attempt to operate the machine unless it is completely installed as instructed 3 installation must be made in a neat and professional manner observing all rules of good workmanship and personal safety 4 All electrical connections to the power supply must be made by a qualified and licensed electrician All local and national codes must be observed 5 power disconnect switch should be located within sight of the operator so that primary power can be turned off when necessary 6 Do not remove the operator cover unless you qualified to service this equipment and the power is turned off The
8. Wire Volts Wire Max Distance ft Gauge amp Max Distance Gauge Single Phase Three Phase Control Wiring Wire Volts Max Distance ft Gauge 24V 250 14 350 12 For distances of more than 350 feet a long distance interface is required 12 17 97 Page 11 OSCO Model JMB Instructions INO umop nd ay 9 ji 4015 YOIYM JOOP 29 0 JOU BINS S yYIMS y y 99 2 0 p ds y 6 15109 3y 945 5 y 94 y y JOOP y osje 514 1510 UO 2 BU W014 y 2 JOU pue JOOP ans 9g
9. ect system It is recommended that all persons be well informed of its purpose and operation A To disconnect the operator open the cover and turn the thumbscrew out of the engagement disc see the diagram below B To re engage line up the hole and tighten the thumb screw SPROCKET THUMBSCREW INTERMEDIATE SHAFT ENGAGEMENT DISC 12 17 97 OSCO Model JMB Instructions Page 5 Troubleshooting Door will not operate from OPEN or CLOSE pushbutton A The motor overload kicked out Wait 15 minutes the overload will automatically reset Be sure the door is not binding B The fuse or overload in the main box is blown Replace the fuse or reset the overload C Check for a defective transformer D Check for a defective STOP button or loose connec tion in the stop circuit Door will not open from OPEN button but will close from CLOSE button A Make sure the open limit switch is not hung up B Check for loose wiring on the open limit switch or the open coil of the contactor C Check for a defective open coil of the contactor Door will not close from CLOSE but will open Same as preceding but in reverse Door runs in wrong direction On single phase reverse the motor leads On three phase reverse two incoming leads Door not closing properly A Be sure the detent plate is properly engaging the travelling limit nuts B Be sure the drive chain to the door is tight not jumpin
10. g Motor runs but door doesn t move A Tighten the clutch B Check the set screw in the motor pulley C Check the V belt Operator stops when you release bution makes rocking noise The clutch spring is too loose Tighten the clutch nuts Ordering Replacement Parts Use the numbers shown in the lists on the following pages to order all replacement parts 1 2 Supply the serial number of your operator Specify the quantity of pieces needed Order by part number and name of part State whether to ship by freight truck parcel post UPS or air express State whether transportation charges are to be prepaid or collect Specify name and address of person or company to whom parts are to be shipped Specify name and address of person or company to whom the invoice is to be sent 12 17 97 Page 6 OSCO Model JMB Instructions Page 7 Part No 2100 744 2100 1630 2100 117 2100 954 2100 608 2500 442 2400 472 2100 105 2100 763 2200 074 2100 546 2200 132 2200 151 2500 033 2200 554 2200 039 2200 010 2200 051 2200 150 2200 027 2100 767 2120 154 2110 294 2100 102 2100 759 2200 845 2200 015 2200 105 2400 004 2110 635 2200 218 2200 030 2400 188 2400 187 2400 026 2200 195 2110 372 2100 668 2110 181 2200 367 2400 237 2400 061 2400 062 2400 066 2510 181 2500 030 2100 781 2110 278 2100 769 2100 771 2500 030 2110 360 2100 339 2500 440 Model JM
11. ight but out of reach of the door and that the warning sign be mounted adjacent to the 3 button station The 3 button station must be connected so the STOP circuit between terminals 2 amp 4 is not bypassed Also if additional 3 button stations are to be con nected the STOP buttons must be wired in series NOTE A STOP button must be used when the instal lation has radio controls or a single button Desired Function Connecting Terminals OPENING DEVICE 1 amp 4 STOP 2 amp 4 CLOSE 3 amp 4 amp CLOSE 4 amp 5 SAFETY REVERSE 1 amp 6 24VAC POWER 2 amp 10 032498 12 17 97 OSCO Model JMB Instructions Page 4 TURN OFF POWER TO THE OPERATOR BEFORE MAKING ADJUSTMENTS Clutch and Cutoff Switch Adjustment Limit Switch Adjustment Limit switches are wired for mounting the operator below the shaft on either side of the door with the motor down If the operator is to be mounted above the shaft with the motor up reverse the limit switch connections at the switches A Secure all electrical power connections L1 and L2 on single phase or L1 L2 and L3 on three phase Turn the power on B With the door half open touch the OPEN button If the door closes depress the STOP button immedi ately On single phase operators reverse motor leads T1 and T2 at the capacitor On three phase opera tors reverse any 2 of the 3 power connections L1 and 12 C Depress the CLOSE butto
12. ld never be operated unless it is in visual sight of the user Warning signs must be installed on or near the door A pushbutton or keyswitch should not be installed within reach of the door or operator 12 17 97 OSCO Model JMB Instructions Page 3 Installation Instructions Step 1 Mounting Angle Assembly Attach the mounting angles to the power unit being sure bolts are positioned at the bottoms of the slotted holes in the power unit Drive chain tension can be final adjusted approximately 1 2 inch Step 2 Operator Installation A Locate the large sprocket on the door shaft at the side of door where the operator is to be mounted The sprocket should be located close to the door shaft bearing Do not pin at this time B Locate the operator on the wall by use of the bearing arm found assembled to the operator output shaft To do this swing the bearing arm above the operator and slide the bearing onto the door shaft see the diagram below With the operator in this position attach the unit to the wall The operator may be mounted above or below the shaft depending on specifications see diagram It can also be hung from the ceiling or on a shelf if conditions require such mounting OPERATOR ABOVE DOOR SHAFT DOOR SPROCKET DOOR SHAFT BEARING ARM SEE STEP 2 B OPERATOR BELOW DOOR SHAFT DRIVE SPROCKET C Raise the door half open and attach the chain around the door sprocket and drive sprocket u
13. n If the door closes the operator and door should stop when the close limit nut engages close limit switch If it does not press the STOP button and reverse the limit switch wires D Adjust limit nuts by releasing the spring loaded detent plate and turning the nuts in the direction desired see the diagram below One complete turn will allow the door to move 4 6 inches Be sure the spring loaded detent plate is properly locked into both limit nuts when adjustment is complete LSC 1 LSO 2 LSC 2 ADJUST LIMIT NUTS PRESS DETENT TO DESIRED POSITION TO DISENGAGE LIMIT NUTS IMPORTANT LSO 2 and LSC 2 must be actuated before LSO 1 and LSC 1 LSO 2 should be actuated three revolutions of limit shaft before LSO 1 The clutch is set light at the factory and must be prop erly adjusted in the field according to the size and weight of the door Adjust the clutch spring tension so the operator will drive the door closed without activating the cutoff switch prematurely It is best to start with a light adjustment and tighten one half turn at a time Be careful not to throw cables on the unit Because the cutoff device works in both directions it is best to do a preliminary test in the open direction If the unit is not sensitive enough bend the cutoff switch bracket toward the sprocket Manual Disconnect For your safety and protection this operator is provided with a disconn
14. re are no user serviceable parts inside 7 Install enclosed warning signs so as to be visible to all persons passing near or through the door 8 Operate the door only when it is in full view 9 Do permit children to play on or around the door 10 Never reach through or around a door frame to operate the door controls 11 Install all recommended safety equipment Features Mechanical e 1 2 instant reverse motor with capacitor automatic reset thermal overload Fully covered power unit Dependable roller chain drive Efficient V belt reduction Emergency disconnect for manual operation Magnetic disc brake standard Available with emergency chain hoist Door speed 0 8 0 9 feet per second Right hand or left hand mounting Electrical Easily adjustable rotary limit switches Heavy duty 3 button control station Heavy duty contactor starter Adjustable cutoff switch 24V control circuit Adapted for pull cord radio control or photoelectric control Adaptable for reversing door edge Available with adjustable plug in timer to close UL listed on standard models CAUTION OSCO STRONGLY RECOMMENDS USE OF AN ELECTRIC EDGE OR PHOTOELECTRIC CONTROL FOR PEDESTRIAN PROTECTION ON ALL AUTO MATIC OR REMOTELY CONTROLLED DOOR OP ERATORS Children should never be allowed to play on near or around a motorized door Any control devices should be placed so as to be inaccessible to small children The door shou
15. sing the master link provided Chain should be cut for mini mum slack D Adjust chain tension by loosening the bolts in the bearing arm and the bolts holding the power unit to the mounting angles Slide the power unit in the slotted holes for proper chain tension Retighten all bolts securely With the sprockets in proper alignment pin or key the large sprocket to the door shaft The door should be half open Step 4 Electrical Connection A complete electrical circuit print can be found inside the operator cover The power supply must be of correct voltage and phase and should be brought into the operator with no smaller than No 12 wire For proper wire gauge refer to Wiring Specifications on Page 10 Electrical power must be ample and not taken from an overloaded line as faulty operation will result Proper thermal protection is supplied with the operator The motor contains a thermal overload protector to guard against overheating due to overload conditions IMPORTANT Power supply must be of correct voltage and phase Always disconnect power from the operator before servicing Keep clear of the door during operation IMPORTANT NOTICE This operator is supplied with a 3 button control station OPEN CLOSE STOP accompanied by precaution ary sign WARNING TO PREVENT ENTRAPMENT DO NOT START DOOR DOWNWARD UNLESS DOORWAY 15 CLEARED It is vital that the 3 button station be mounted within s
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