Sambo SBWG Series Operating Instructions Manual Download Page 1

Operating instructions for SAMBO Worm Gear Operator

V1.00-2021.04.29

Operating instructions for SAMBO SBWG series worm gear operator

1

Introduction

This installation and maintenance manual explains, how to install and maintain the Sambo SBWG operator.
Information on installation, disassembly, reassembly, lubrication and spare parts is provided.

Figure 1:

Typical SBWG Exploded View

WARNING: Do not manually operate the SBWG operator (see figure 1) with devices other
than the installed handwheel or wrench nut. Using additive force devices (cheater bars,
wheel wrenches, pipe wrenches, or other devices of this nature) on the operator handwheel,
wrench or wrench nut may cause serious personal injury and/or damage to the operator or valve.

2

Safety instructions

NOTE:

Read this installation, operation and maintenance manual carefully and completely before attempting

to install, operate or troubleshoot the SAMBO gearbox.

CAUTION:

Work undertaken must be carried out in accordance with the instructions in this and

any other relevant manuals. The user and those persons working on this equipment should be
familiar with their responsibilities under any statutory provisions relating to the Health and Safety
of their workplace. Due consideration of additional hazards should be taken when using the gearbox with
other equipment. Should further information and guidance relating to the safe use of the SAMBO products be
required, it will be provided on request.

1

Summary of Contents for SBWG Series

Page 1: ...r handwheel wrench or wrench nut may cause serious personal injury and or damage to the operator or valve 2 Safety instructions NOTE Read this installation operation and maintenance manual carefully a...

Page 2: ...s no pressure in the line CAUTION For maintenance and or disassembly of the gearbox while installed on the valve ensure that the gearbox is not under thrust or torque load If the valve must be left in...

Page 3: ...ination to carry out a risk assessment for the supplied arrangement to ensure safe working Packaging material used may include wood cardboard polyethylene and steel Packaging should be recycled accord...

Page 4: ...securely 8 Rotate the input shaft to align the keyway of the Splined Adapter with the keyway of the Valve Shaft and install the key 9 Confirm that the gearbox Stop Screws are properly set for valve di...

Page 5: ...item no 15 in the clockwise direction until the end of the screw contacts the Worm Gear Drive Sleeve 5 Tighten the Hex Nut to secure the closed set position 6 Move the valve disk to the full open posi...

Page 6: ...ding the amount of lubricant is whether the worm is totally immersed in grease This can be verified by the use of one or more of the fill and drain plugs provided on the operator housing in most sizes...

Page 7: ...ces other than the installed hand wheel Using force beyond the ratings of the operator and or using additive force devices such as cheater bars wheel wrenches pipe wrenches or other devices on the ope...

Page 8: ...1 7 Remove the Tapered Roller Bearing item no 11 from the Worm Shaft item no 3 if required 8 Remove the End Cap item no 6 and Gasket item no 22 9 Remove the Tapered Roller Bearing item no 11 10 Remov...

Page 9: ...r Thrust Washer item no 9 on the Worm Gear Drive Sleeve item no 5 12 Replace the upper O Ring item no 20 in the Housing Cover item no 2 CAUTION Lubricate all O Rings before installation 13 Install the...

Page 10: ...V1 00 2021 04 29 Operating instructions for SAMBO Worm Gear Operator Figure 6 SBWG 00 through SBWG 35 Assembly View Figure 7 SBWG 00 through SBWG 35 Assembly View 10...

Page 11: ...ing 1 11 Tapered Roller Bearing 2 12 Hex Head Cap Screw 8 13 Hex Head Cap Screw 4 14 Hex Head Cap Screw 4 15 Stop Screw 2 16 Hex Nut 2 17 Drive Sleeve O Ring Varies 18 Drive Sleeve O Ring 1 19 Oil Sea...

Page 12: ...oller Bearing item no 11 and Ball Bearing item no 26 10 Remove the Worm Gear Drive Sleeve item no 5 O Rings item no 17 and Thrust Washers item no 9 11 Remove the Stop Screws item no 15 with Hex Nuts i...

Page 13: ...the Worm gear Drive Sleeve item no 5 12 Replace the O Rings item no 20 in the Housing Cover item no 2 NOTE Lubricate the O Rings before installation 13 Install the Housing Cover item no 2 with the Co...

Page 14: ...V1 00 2021 04 29 Operating instructions for SAMBO Worm Gear Operator Figure 11 SBWG04 SBWG12 Assembly View 14...

Page 15: ...Operating instructions for SAMBO Worm Gear Operator V1 00 2021 04 29 Figure 12 SBWG04 SBWG12 Assembly View Figure 13 SBWG04 SBWG12 Assembly View 15...

Page 16: ...ler Bearing 2 12 Hex Head Cap Screw 8 13 Hex Head Cap Screw Varies 14 Hex Head Cap Screw 4 15 Stop Screw 2 16 Hex Nut 2 17 Drive Sleeve O Ring 2 18 Drive Sleeve O Ring Varies 19 Oil Seal 1 20 Drive Sl...

Page 17: ...the SBWG Gearbox is required see chapter 8 3 or 8 4 Reassembly Instructions 1 Install the Spur Gear Housing item no 1 on the SBWG Gearbox ensuring proper gasket is installed between Gearbox and Spur...

Page 18: ...chment 1S Exploded View Table 3 SBWG 00 through SBWG 12 Sin gle Reduction Spur Gear Attachment 1S Parts List Parts List Item Description Qty 1 Housing 1 2 Gear 1 3 Input Shaft Pinion 1 4 Cover 11 5 Re...

Page 19: ...3 and 8 4 Reassembly Instructions 1 Install the Spur Gear Housing item no 1 on the SBWG Gearbox ensuring proper gasket is installed between Gearbox and Spur Gear Housing see section 8 3 or 8 4 2 Inst...

Page 20: ...able 4 SBWG 00 through SBWG 12 Spur Gear Attachment 1SD Parts List Parts List Item Description Qty Item Description Qty 1 Housing 1 11 Ball Bearing 2 2 Helical Gear 2 12 Cover 1 3 Key 2 13 Gasket Cove...

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