Alfa Laval Toftejorg MultiJet 65, Инструкция по эксплуатации

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6 Maintenance
MultiJet 65
6.9 Replacement of ball races
In body
1.
A. With big end downwards knock several times Body with bearings (pos. 28) hard against firm wooden support until
Ball race (pos. 28.3) drops out.
B. If it is not possible to knock out Ball race in this way , it is necessary first to screw out Main collar lower (pos. 28.2) – see
page 36. Carefully push off old Ball race without damaging Main collar lower. Use mandrel and firm support.
Before mounting of new Ball race, Main collar lower (pos. 28.2) must be remounted into Body – see page 36.
2. Clean surfaces and place Ball race (pos. 28.3) on Main collar lower (pos. 28.2). Press by hand as long as possible. By means
of a tube mandrel or if desired wooden block, carefully hammer Ball races home.
Ball races must not project over end face of Main collar lower. To avoid tilting, mandrel must push along the whole circumference
of Ball race. Do not damage surface of Ball race.
On Gear wheel
1. Place Gear wheel with ball race (pos. 8) on support. Support only under Ball race (pos. 8.1). With mandrel press off
old Ball race.
2. Clean surfaces and press on new Ball race. Ball race must be pressed fully home on Gear. Press parallel. Use press
or vice. Do not damage surface of Ball race.
In Hub cover
1. Place Hub cover with ball race (pos. 21) on support. Carefully knock out old Ball race by means of small mandrel or if desired
screwdriver. Knock several times around the circumference to avoid tilting.
2. Clean surfaces and press in new Ball race. Ball race must be pressed fully home. Press parallel. Do not damage surface
of Ball race.
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