MAN – OPEN SPUR GEAR SYSTEM FOR CYLINDRICAL WEIR
Gear unit repair due to age-related wear
Application: cylindrical weir winch
Gear manufacturer: MAN
Type: unknown
Gear type: 3 stage open spur gear; worm drive; chain wheel output; largest spur gear diameter 2500 mm
Data for repair: some drawings from original contract
Damage: age-related wear
Work carried out:
- Make new chain wheel and pinion and replace
- Replace plain bearing
- Dismantle and install all plant components
- Install on-site (in the middle of the river)
- Adjust intermesh pattern
- Measure tooth flank play
- Check bearing play
Turnaround time: 12 weeks
Gear condition before renovation
Heavily worn gear teeth
Fit new plain bearing
Gear unit after renovation (yellow: worm drive; red: pillow blocks, black: bevel gear reduction unit)
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