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www.maxcessintl.com 

HEB250 Brake 

MI 850A346 1 B 

Page 15 

 

Replacement Part Kits: 

 

Pad replacement kits.

  Each kit contains (2) ea pads to fill (1) ea caliper. 

 

Model Number 

Description 

HEBPKL 

HEB pad kit for low friction pads (0.21) 

HEBPKM 

HEB pad kit for medium friction pads (0.41) 

HEBPKH 

HEB pad kit for high friction pads (0.51) 

 

Replacement Calipers

.  Each kit contains a front and back caliper half. (Note: brake pad(s) are NOT included.) 

Model Number:  HEBCALREPL 
 

Caliper Rebuild kit

.  Each kit contains seals, bearing strips, and o-rings which will rebuild both the front and back 

caliper half. 
Model Number:  RKHEBCAL 
 

Replacement Rotor kit

.  Add the appropriate 2 digit bore core from table 1 to the end of the model number. 

Model Number: HEB250RTR 

– xx 

 
 

Adapter Plate.

 HEB250BKPLT 

 
 
Exploded views of the caliper assemblies: 

 
 

 

Item  Qty 

Description 

Part Number 

Front Caliper  

712C125-1 

Set Screw 

78610-002 

Piston Seal 

25A65-1 

Piston Bearing Strip 

712C134-1 

Piston 

712C127-1 

Compression Spring 

5A349-1 

Piston Retaining Plate 

712C128-1 

Internal Retaining Ring 

28098-059 

Brake Pad Assembly 

145C24-X 

10 

Pneumatic Fitting (Tee) 

5C344-2 

10 

Pneumatic Fitting (90 Deg) 

5C347-2 

 

Figure 4.  Front Caliper Assembly Exploded View 

 
 

Summary of Contents for MAGPOWR HEB250

Page 1: ...HEB250 High Efficiency Brake Installation Operation and Maintenance EN MI 850A346 1 B MAGPOWR TENSION CONTROL ...

Page 2: ...d to the rotor is transmitted to a roll of material and acts to create tension in the web being unwound on the roll Introduction HEB pneumatic brake has a 250 mm 10 in diameter rotor Caliper configurations range from 1 to 6 calipers Brake pads come in 3 different coefficients of friction L low M medium and H high Rotor design dissipates heat equally in either direction of rotation i e clockwise or...

Page 3: ... Hole N A N A 01 19 mm 6 x 6 mm M6 x 1 0 8 71 02 20 mm 6 x 6 mm 03 21 mm 6 x 6 mm 04 22 mm 6 x 6 mm 05 23 mm 8 x 7 mm M8 x 1 25 18 159 06 24 mm 8 x 7 mm 07 25 mm 8 x 7 mm 08 26 mm 8 x 7 mm 09 27 mm 8 x 7 mm 10 28 mm 8 x 7 mm 11 29 mm 8 x 7 mm 12 30 mm 8 x 7 mm 13 31 mm 10 x 8 mm M10 x 1 5 35 310 14 32 mm 10 x 8 mm 15 33 mm 10 x 8 mm 16 34 mm 10 x 8 mm 17 35 mm 10 x 8 mm 18 36 mm 10 x 8 mm 19 37 mm...

Page 4: ...500 inch 3 8 x 3 8 inch 3 8 16 UNC 34 300 60 1 13 16 1 8125 inch 1 2 x 1 2 inch 1 2 13 UNC 70 625 61 1 7 8 1 8750 inch 1 2 x 1 2 inch 62 1 15 16 1 9375 inch 1 2 x 1 2 inch 63 2 2 0000 inch 1 2 x 1 2 inch 64 2 1 16 2 0625 inch 1 2 x 1 2 inch 65 2 1 8 2 1250 inch 1 2 x 1 2 inch 66 2 3 16 2 1875 inch 1 2 x 1 2 inch 67 2 1 4 2 2500 inch 1 2 x 1 2 inch 68 2 5 16 2 3125 inch 5 8 x 5 8 inch Serial Number...

Page 5: ... caliper positions are filled with dummy calipers Views are top views looking at the front calipers 1 Caliper with or w o proximity sensor 2 Calipers with or w o proximity sensor 3 Calipers with or w o proximity sensor 4 Calipers with or w o proximity sensor 5 Calipers with or w o proximity sensor 6 Calipers no proximity sensor available in this configuration Figure 1 Caliper Positioning ...

Page 6: ...www maxcessintl com HEB250 Brake MI 850A346 1 B Page 6 Dimensions Figure 2 HEB250 Dimensions ...

Page 7: ...ns and symbols described in this section are used to avoid possible dangers for users and to prevent material damage SIGNAL WORD Source of danger and its results Avoiding dangers The signal word WARNING refers to the danger of moderate to severe bodily injuries or death The signal word CAUTION refers to the danger of slight to moderate bodily injuries or material damage WARNING CAUTION General dan...

Page 8: ...er in the system The brake must be securely mounted before being placed in operation Only replacement parts obtained from Fife may be used No modifications may be made to the brake Do not place electrical cables under mechanical strain Do not bring this brake into contact with water or other fluids Grease or oil on the internal brake parts will cause a loss of torque Decommissioning The brake must...

Page 9: ... machine frame or mounted to an adapter plate HEB250BKPLT with the correct bolt pattern pre established To mount directly to the machine frame drill and tap 8 ea M8x1 25 holes as shown in figure above Brake assembly was designed for the conduit fitting to be facing downwards in the installed position but can be installed with the conduit fitting facing upwards if desired Doing this will not change...

Page 10: ... between the brake pad and rotor on each side Manually rotate the rotor to verify the rotor does not touch any brake pads during a full rotation E Secure the rotor by tightening the two set screws to the torque listed in the Table 1 Install rotor set screws using LOCTITE 266 high temperature high strength threadlocker or equivalent F Mount the other caliper mounting half to the machine frame using...

Page 11: ...nduit fitting in the fan shroud Route power wires through conduit connector and fan shroud to terminal block on the inside of the fan shroud see electrical installation section for details Connect the wires for the proximity sensor to the terminal strip if used see electrical installation section for details Position the fan shroud over the center of the HEB250 and connect the proximity sensor con...

Page 12: ...ck A The HEB250BKPLT adapter plate is designed to fit the lagerdeckel bearing end plate for Tidland safety chuck sizes 22 30 30 40 and 40 50 Stock chucks use M6 bolts to secure the lagerdeckel to the chuck housing These holes must be re drilled and tapped to M8 or the M8 version of the aforementioned chucks must be ordered Remove the existing 4 ea M6 or M8 countersunk bolts from the lagerdeckel an...

Page 13: ... supply by connecting the positive voltage to the terminal with the red wire and connect the negative voltage to the terminal with the black wire 4 Connect the wires for the proximity sensor to the terminal strip if used The terminal strip connector with the white wire is the positive signal from the proximity sensor and the connector with the black wire is the negative for the proximity sensor 5 ...

Page 14: ...0 591 in in thickness Since brake pads will stop extending with 6mm 0 236 in of overall thickness left half of this is a metal backing plate it is recommended to replace brake pads prior to wearing the brake pads down to the 6mm 0 236 in thickness Note brake pads do not contain asbestos WARNING danger to eyes Wear eye protection when working with compressed air How to replace the brake pads A For ...

Page 15: ... o rings which will rebuild both the front and back caliper half Model Number RKHEBCAL Replacement Rotor kit Add the appropriate 2 digit bore core from table 1 to the end of the model number Model Number HEB250RTR xx Adapter Plate HEB250BKPLT Exploded views of the caliper assemblies Item Qty Description Part Number 1 1 Front Caliper 712C125 1 2 1 Set Screw 78610 002 3 1 Piston Seal 25A65 1 4 1 Pis...

Page 16: ...2C128 1 8 1 Internal Retaining Ring 28098 059 9 1 Brake Pad Assembly 145C24 X Figure 5 Back Caliper Assembly Exploded View Item Qty Description Part Number 1 1 Proximity Sensor Caliper 712C130 1 2 1 Grommet 93006 064 3 1 Mounting Bracket 706C43 1 4 2 Lock Washer M4 27547 004 5 2 Socket Head Cap Screw M4 27319 005 6 2 Locknut M4 27608 002 7 1 Proximity Sensor with Hex Nuts 32C11 1 8 1 Plug 12C223 4...

Page 17: ... No power to sensor NPN output needs a pull up load to 24 volts Check power supply Check wiring for opens Verify connections Table 1 Troubleshooting Product Specifications WARNING Do not use the devices outside of their rated specifications Temperature Range Operating 0 C to 50 C 32 F to 122 F Storage 30 C to 80 C 22 F to 176 F Relative Humidity 5 to 85 Altitude 0 to 2000 meters 0 to 6562 feet Max...

Page 18: ...ad Low 0 12 Med 0 41 High 0 51 Low 0 12 Med 0 41 High 0 51 1 2 321 36 1007 114 1174 133 338 38 1423 161 1753 198 2 4 641 72 2014 228 2347 265 676 76 2847 322 3506 396 3 6 962 109 3021 341 3521 398 1014 115 4270 482 5259 594 4 8 1282 145 4027 455 4695 530 1352 153 5693 643 7012 792 5 10 1603 181 5034 569 5868 663 1690 191 7117 804 8765 990 6 12 1923 217 6041 683 7042 796 2028 229 8540 965 10 518 1 ...

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