Standard No.:	SD 288-1988
English Name:	Technical Guidance for Installation and Adjustment of Thrust Bearing and Guide Bearing of Hydraulic Turbine Generator Units
Chinese Name:	水轮发电机组推力轴承、导轴承安装调整工艺导则
Chinese Classification:	K5
Professional Classification:	SD    Professional Standard - Hydropower
Source Content Issued by:	MOE
Issued on:	1988-08-05
Implemented on:	1988-12-1
Status:	superseded
Superseded by:	SL 688-2014 Guidelines for installation and adjustment technology of hydroelectric generating set thrust bearing and guide bearing SL 668-2014 Guide of thrust bearing and guide bearing installation and adjustment technology for hydrogenerating unit NB/T 11558-2024 Guide for installation, adjustment, operation and maintenance of thrust bearing and guide bearing for hydraulic turbine-generator unit
Superseded on:	2014-6-28
Abolished on:	2014-06-28
Superseding:	NB/T 11558-2024 Guide for installation, adjustment, operation and maintenance of thrust bearing and guide bearing for hydraulic turbine-generator unit
Target Language:	English
File Format:	PDF
Word Count:	19000 words
Translation Price(USD):	470.0
Delivery:	via email in 1 business day

1.0.1 This Guidance is applicable to installation and adjustment of thrust bearing and guide bearing of large and medium vertical-type hydraulic turbine generator units. Installation and adjustment of reversible and horizontal units and bearing having nontypical structure and special technical requirements may refer to this Guidance. 1.0.2 This Guidance provides technical measures for installation and adjustment of bearings stated in GB 8564-88 Specification for Installation of Hydraulic Turbine Generator Units. Quality standard of bearing installation shall comply with the design drawings and the aforesaid requirements. 1.0.3 This Guidance was developed according to technical measures generally used during installation and adjustment of bearing with typical structure. Where bearing structure is changed, some technical measures specified herein may be changed. 1.0.4 Implementation of this Guidance shall not limit adoption of state-of-the-art techniques and processes approved by technical construction department.

1. General 2. Acceptance, Storage and Open-box Examination of Equipment 3. Scraping of Thrust bearing shoe 4. Cleaning, Test and Preassembly of Bearing Components 5. Installation of Main Components of Thrust Bearing 6. Adjustment of Thrust Bearing 7. Installation of Thrust Bearing High-pressure Oil Lifting Device 8. Installation of External Circulatory Cooling System of Thrust Bearing 9. Installation of Oil Bath Components and Oil Infusion 10. Grinding and Scraping of Guide Bearing Shoe, Inspection and Treatment before Installation 11. Installation and Adjustment of Guide Bearing Annex A (Informative) Devices and Materials for Installation of Bearing Annex B (Supplementary) Measurement Law of Horizontal Revolution of Thrust Runner Annex C (Referential) Examples for Table Format Recording Thrust Bearing Force Adjustment Annex D (Supplementary) Method for Determination of Adjustment Required by Each Column Bolt According to the Level of Thrust Runner Annex E (Supplementary) Grinding and Scraping of Cylinder-type Shoe Annex F (Supplementary) Determination of Clearance of Generator Guide Bearing with the Main Shaft at Any Position in Positioned Water Guide Bearing Additional Explanation