Alfa Laval Toftejorg TJ20G, Инструкция по эксплуатации

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Trouble Shooting Guide
(continued)
Possible Causes Fault finding
d). Stem or Hub jammed/sluggish Remove Carrier assembly (see page 14). Turn
Hub cover and check unrestricted rotation.
Remove Stem and Hub (see page 16-18).
Remove foreign material/ material build-up on
Stem, Hub and inside Nut w. ball race. Clean Ball
races and Ball retainer with balls. Assemble
Stem/Hub, Ball retainer with balls and Stem/Hub
nut with ball race.
e). Bevel gears jammed Remove Stem and Hub (see page 16). Clean
teeth on Stem and Hub.
Wear
a). Slide bearings See page 12.
b). Bearing for Turbine shaft See page 12.
c). Planet wheels See page 13.
d). Shafts for Planet wheels Check clearance of Planet wheels on Shafts.
Transverse movement should not exceed 0.3 mm.
e). Turbine shaft
Check clearance in Carrier bearing and Bearing
for Turbine shaft. Transverse movement should
not exceed 0.3 mm. Also inspect teeth for wear.
Mechanical defects
a). Planet wheels. Teeth broken Replace Planet wheels.
b). Planet wheel can not rotate on Shafts/ Shafts
bent.
Replace Shafts for Planet wheels.
c). Damaged teeth on Bevel gear Inspect teeth on Stem and Hub for deformation.
Mount Hub and Stem in Body (See page 18).
Hold Body in upside down position and rotate Hub
to check that bevel gears can work together. If
damaged: Replace Stem and/or Hub.
d). Damage on Stem and Hub-nut If hard particles get stuck between Stem nut and
Stem or Hub nut and Hub, the particles will
damage the parts. The damaged parts should be
replaced.
Instruction Manual, Toftejorg TJ20G Page 25
IM-TE91A600-EN2
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