Mechanical Advantage Sambo SB-SR Series User Instructions

Spur gear

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USER INSTRUCTIONS
Sambo SB- SR Series
Installation
Operation
Maintenance
www.mechadv.com

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Summary of Contents for Mechanical Advantage Sambo SB-SR Series

  • Page 1 USER INSTRUCTIONS Sambo SB- SR Series Installation Operation Maintenance www.mechadv.com...
  • Page 2: Table Of Contents

    Sambo SB-SR series spur gear operator Contents 1 Introduction 1.1 Purpose 1.2 User Safety 2 Inspection, Installation and Mounting Procedures 2.1 Initial Inspection and Storage Instructions 2.2 Inspection and Recording 2.3 Storage Procedure 2.4 Safety Precautions 2.5 Safety Practices 2.6 General Mounting Instructions 2.7 Stem Cover Mounting Instructions...
  • Page 3: Introduction

    Sambo SB-SR series spur gear operator Introduction 1.1 Purpose The installation and maintenance manual (IOM) explains how to install and maintain the Sambo SR series gearbox. Information on installation, disassembly, reassembly, lubrication and product weights is provided. 1.2 User Safety Safety notices in this manual detail precautions the user must take to reduce the risk of personal injury and damage to the equipment.
  • Page 4: Inspection, Installation And Mounting Procedures

    Sambo SB-SR series spur gear operator Inspection, Installation and Mounting Procedures Figure 2.1 - SR Exploded view M.O. V Flange O-Ring PF Stem Cover Adapter Oil Seal Dual Lock Nuts Ball Bearing (Taper roller Bearing) Housing Helical Pinion Thrust Ball Bearing...
  • Page 5: Initial Inspection And Storage Instructions

    Sambo SB-SR series spur gear operator M.O. V Flange Figure 2.2 - SRH Exploded View PF Stem Cover Adapter Helical Pinion Thrust Ball Bearing (Spherical roller Bearing) Ball Bearing (Taper roller Bearing) M-Helical Gear Sleeve S-Helical Gear Idle Gear Thrust Ball Bearing...
  • Page 6: Storage Procedure

    WARNING: Do not exceed any design limitations or make modifications to this equipment without first consulting Mechanical Advantage. WARNING: Use of this product must be suspended any time it fails to operate properly.
  • Page 7 Sambo SB-SR series spur gear operator 2.6.1 Installing a Gearbox with a Threaded Stem Nut – SR50 through SR800 and SR200H through SR800H Position the gearbox above the valve stem. Rotate the gearbox handwheel or wrench nut several turns until there is positive engagement between the valve stem and the gearbox Stem Nut.
  • Page 8: Stem Cover Mounting Instructions

    Sambo SB series bevel gear operator 12. Install the Thrust Base (pc# 30) with O-Ring (pc# 29) onto the Thrust Housing (pc# 21) and Stem Nut (pc# 26), using Socket Head Cap Screws (pc# 31). CAUTION: Care must be taken to ensure that the O-ring (pc# 29) located in the Thrust Base (pc# 30) is not damaged during installation. 13.
  • Page 9: Lubrication

    Sambo SB-SR series spur gear operator Lubrication SAMBO SB-SR gearboxes are shipped with the following lubricants: Table 3.1 – Lubricants Product Lubricant Soap Base Temperature Range SR50 through SR800 Zenith EPSB-2 Calcium -20°C to 200°C SR200H through SR800H Zenith EPSB-2 Calcium -20°C to 200°C...
  • Page 10: Product Weights

    Sambo SB-SR series spur gear operator Product Weights Table 4.1 - SB-SR Gearbox Weights V Gearbox Weights With Single Reduction MODEL Basic Gearbo SB-SR50 SB-SR100 SB-SR200 SB-SR300 SB-SR400 SB-SR500 SB-SR600 SB-SR700 SB-SR800 1389 Spur Set Table 4.2 - SB-SRH Gearbox...
  • Page 11: Disassembly And Reassembly Instructions

    Sambo SB-SR series spur gear operator Disassembly and Reassembly Instructions WARNING: See Section 2.4 Safety Precautions and 2.5 Safety Practices before undertaking the steps below. 5.1 Disassembly and Reassembly of SR50 through SR800 Disassembly Instructions Refer to Figure 5.1 Remove the two threaded Lock Nuts (pc# 2 7) from the Drive Sleeve (pc# 10), accessed through the top of the Housing (pc# 1).
  • Page 12 Sambo SB-SR series spur gear operator Remove the Input Flange (pc# 32) with Oil Seal (pc# 33) and Gasket (pc# 2) Remove the Helicall Pinion subassembly from the Housing (pc# 1). 12. Remove the upper Thrust Ball Bearing (pc# 4) from the Housing (pc# 1).
  • Page 13: Figure 5.1 - Sr50 - Sr800 Assembly View

    Sambo SB-SR series spur gear operator Figure 5.1 - SR50,100,200,300,400,500,600,700,-SR800 Assembly View Table 5.1 - SR50 Through SR800 Parts List Item No. Description REMARK HOUSING OIL SEAL ORING for HOUSING THRUST BALL B/R BALL BEARING for IDLE GEAR BALL BEARING for H/PINION...
  • Page 14: Disassembly And Reassembly Of V35H Through V9H

    Sambo SB-SR series spur gear operator 5.2 Disassembly and Reassembly of SR50H through SR800H Disassembly Instructions Refer to Figure 5.2 Remove the Stem Cover Adapter (pc# 38) and O-Rings (pc# 39 and pc# 40). Remove the Input Flange (pc# 42) with Oil Seal (pc# 43 and pc# 2) by removing Socket Head hex Screws (pc# 44).
  • Page 15 Sambo SB-SR series spur gear operator Install the Bearing (pc# 13 and pc# 5) at Housing and Base. Install the Idle gear (pc# 7) and Helical gear (pc# 8) after That put Snap ring (pc# 9) Install the Helicall Pinion (pc# 12) subassembly into the Housing (pc# 1).
  • Page 16: Figure 5.2 - Sr200H - Sr800H Assembly View

    Sambo SB-SR series spur gear operator – Figure 5.2 - SR200H,300H,400H,500H,600H,700H– SR800H Assembly View Table 5.2 SR200H Through SR800H Parts List Item Description REMARK HOUSING OIL SEAL ORING for HOUSING THRUST BALL B/R BALL BEARING for IDLE GEAR BALL BEARING for HELICLA PNION...

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