Alfa Laval Toftejorg TZ-79, Instruction Manual, Page: 32 / 48

Maintenance and Repair
(continued)
Replacement of Collar Bushes
1. Place Gear frame (pos. 31) upside down with a firm support under the flange. Use for instance
jaws of a vice. Do not clamp on machined surfaces. With Pusher (tool no. TE81B031, see page
36) knock out Collar bush.
2. Turn Gear frame to upright position and hold over support such as flat steel bar clamped in a vice.
Knock out Collar bush with Pusher.
3. Turn Gear frame 90
°
and hold over support. Knock out Collar bush with Pusher.
Warning : To avoid risk of deforming Gear frame, it is utmost important that it is supported
while the Collar bushes are being knocked out.
4. Remove all remains of old Araldite etc.. Holes must be perfectly clean before mounting new Collar
bushes. Rinse with chemical cleaner.
5. Coat new Collar bushes with CIBA-GEIGY two component Standard blue Araldite and push into
Gear frame.
6. To hold Collar bushes in correct position, insert fixtures (tool No. TE81B032, see page 36) and let
harden according to instructions.
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