Boston gear 700 Series Installation And Operation Manual
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Boston gear 700 Series Installation And Operation Manual

700 series worm gear speed reducers
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Worm Gear Speed Reducers
Installation and Operation
P-3009-BG
Doc. No. 57746
700 Series
Single and Double
Reductions
An Altra Industrial Motion Company

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Summary of Contents for Boston gear 700 Series

  • Page 1 Worm Gear Speed Reducers Installation and Operation P-3009-BG Doc. No. 57746 700 Series Single and Double Reductions An Altra Industrial Motion Company...
  • Page 2 The recommended lubricant table indicates the type Boston Gear now offers Klubersynth UH1 6-460 and viscosity of lubricant suitable for reducers Synthetic Lubricating Oil as a premium lubricant with operating at various temperatures.

  • Page 3: General Instructions

    The temperature of Double Reduction Worm Gear 9. All reducers should be checked to see if they Reducers may reach 160°F and Single Reduction have been lubricated. Prelubed 700 Series Worm Gear Reducers approximately 225°F. reducers will have a solid plug in the vent hole...
  • Page 4 5. Install coupling insert and position motor. Rotate the motor to the correct clock position and confirm the motor mounting face contacts the gearbox flange face completely. Secure motor to the flange with the supplied motor bolts. 4 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 5 37.0 37.0 41.5 37.0 37.0 at higher temperatures as damage may occur to oil seals 81.5 85.0 93.0 85.0 85.0 and other components. Boston Gear 700 Series P-3009-BG Doc. No. 57746 5...
  • Page 6 7 EP PosiVent Option ® Units supplied with this option are sealed from the environment. To ensure that the system operates properly, DO NOT REMOVE THE VENT PLUG FOR ANY REASON. 6 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 7 18.00 28.00 44.00 58.00 85.00 204.0 330.0 3.30 7.00 15.00 16.00 20.00 24.50 36.00 60.00 84.00 120.0 240.0 400.0 3.30 7.00 13.50 16.00 19.00 24.50 36.00 60.00 80.00 120.0 240.0 400.0 Boston Gear 700 Series P-3009-BG Doc. No. 57746 7...
  • Page 8 “V” TYPE BASE-MODEL (718, 721, 726, 732) HEX HEAD CAP SCREW SOCKET SETSCREW HEX HEAD CAP SCREW VENT PLUG *For Models 710 to 726, these parts are available as complete assemblies. See Part Ordering Information, page 9. 8 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 9 “One output oil seal, Part No. 11, for RF718-30-B5-G”. Output shaft components for Boston Gear models 710 through 726 are available only as complete assemblies that include Parts 2, 3, 5, 6, 11, 12 and 23 for single projecting shafts; and Parts 2, 4, 5, 6, 11, 12 and 23 for double projecting shafts. When ordering, specify “output shaft assembly”...
  • Page 10 INTERMEDIATE KEY HEX HEAD CAP SCREW SOCKET SETSCREWS OUTPUT KEY INTERMEDIATE WORM GEAR *For Models 710 to 730, these parts are available as complete assemblies. See Part Ordering Information, Page 11. 10 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 11 “One output oil seal, Part No. 11, for W713-150-G”. Output shaft components for Boston Gear models 710 through 726 are available only as complete assemblies that include Parts 2, 3, 5, 6, 11, 12 and 23 for single projecting shafts; and Parts 2, 4, 5, 6, 11, 12 and 23 for double projecting shafts. When ordering, specify “output shaft assembly”...
  • Page 12 Remove the metal shims should be installed perpendicular within .010” of the (Item 18), located between the retaining ring and machined surface. the ball bearing (Item 14). 12 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 13 11. Install the vent plug (Item 26) and the drain pipe plug (Item 27). 2. Coat the gear teeth with blue or red Dykme mixture or similar coating and install the output assembly into the housing. Boston Gear 700 Series P-3009-BG Doc. No. 57746 13...
  • Page 14 If the bearing is lip by using masking tape on the keyseat edges. not prepacked with grease, pack at least 50% full with Mobilux EP #2 All Purpose Grease or equivalent. 14 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 15 Figure 1, Page 20. Readjust, if necessary, by pressing on the bearing cone until desired dimension is achieved. 7. Where grease cups are used, pack with Mobilux EP #2 All Purpose Grease or equivalent. Boston Gear 700 Series P-3009-BG Doc. No. 57746 15...
  • Page 16 9. Tighten all screws as shown in Figure 5, Page 10. Fill the unit to the proper oil level with the recommended lubricant. 11. Install the vent plug (Item 26) and the drain pipe plug (Item 27). 16 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 17 4. Remove screw (Item 80), lock washer (Item 79) and bore opposite flange side. Remove oil seal (Item washer (Item 78). 92) from housing bore. Inboard retaining ring (Item 67) will remain in housing. Boston Gear 700 Series P-3009-BG Doc. No. 57746 17...
  • Page 18 Caution should be exercised not to distort or cock plug during installation. 6. Where grease cups are used, pack with Mobilus EP #2 All Purpose Grease or equivalent. 8. Assemble motor flange (Item 89). 18 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 19 Oil seal to be flush with carrier face. Verify the seal is not cocked in the bore. Boston Gear 700 Series P-3009-BG Doc. No. 57746 19...
  • Page 20 Note: “C” Dimensions shown are original oil seal locations. When seal is replaced add or subtract 1/16th of an inch to dimension shown. This will allow seal to wear on a new surface for extended life. 20 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 21 264-312 264-312 85-105 140-160 F738 480-552 264-312 85-105 140-160 F752 840-948 840-948 132-156 140-160 F760 1200-1368 840-948 132-156 140-160 Figure No. 5 Does not apply to SSF or SSHF reducers Note: Boston Gear 700 Series P-3009-BG Doc. No. 57746 21...
  • Page 22 IDEAL POSITIONING OF WORM GEAR CONTACT Figure No. 6 worm rotation entering side leaving side contact area driving face for worm rotation 'B' driving face for worm rotation 'A' GEAR HUB CENTRALIZING SIDE SIDE 22 Boston Gear 700 Series P-3009-BG Doc. No. 57746...
  • Page 23 RETAINING RING (EXTERNAL) OUTPUT BEARING (CONE) RETAINING RING (INTERNAL) OUTPUT BEARING (CUP) BORE PLUG REDUCER BUSHING INPUT “O” RING (MODELS 718 & 721 SOLID SHAFT OUTPUT “O” RING ONLY) HSBHCS PIPE PLUG SHCS Boston Gear 700 Series P-3009-BG Doc. No. 57746 23...
  • Page 24 700 Series Right Angle Worm Gearbox - Single Reduction – – – Exact Vent Input Shaft Style 7 – 700 Series Gear Ratio Blank– Standard Vent Blank– Solid Projecting Input Shaft Ratio to 1 P – Pressure Vent Quill Style Motor Flange (5 psi) RF –...
  • Page 25 T – Totally enclosed non-ventilated TF – Totally enclosed fan cooled SS – Stainless IDB – Inverter Duty (10:1 turn down constant torque) B5 – B7 – 140TC B9 – 180TC Boston Gear 700 Series P-3009-BG Doc. No. 57746 25...
  • Page 26 700 Series Right Angle Worm Gearbox - Double Reduction – – – Exact Vent 7 – 700 Series Gear Ratio Blank– Standard Vent Input Shaft Style Ratio to 1 P – Pressure Vent Blank– Solid Projecting Input Shaft 1200 (5 psi) Quill Style Motor Flange Z –...
  • Page 27 (When facing Input) Mirrored Design B7 – 140TC B9 – 180TC Output Projection Down Double Output Projection Output Projection Upward Stainless Output Projection Down Stainless Double Output Projection Stainless Output Projection Upward Boston Gear 700 Series P-3009-BG Doc. No. 57746 27...
  • Page 28 Warranty The Company warrants that all 700 Series speed reducers will be free from defects in material and workmanship over the lifetime of the product. Oil seals are considered to be replaceable maintenance items. Any products which shall be proved to the Company’s satisfaction to have been defective at the time of delivery in these respects will be replaced or repaired by the Company at its option.

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