Instruction Manual, Toftejorg MultiJet 40
Page 26
IM-TE91A170-EN041
Maintenance and Repair
(Continued)
Replacement of Main Collars
Although normally exposed to very limited wear, it is possible to replace Main collars (pos. 26.1 and
26.2) in Body. The procedure to do this is described below.
Main collar upper
1. Place Body (pos. 26) in a vice upright position. Do not clamp on machined faces. Insert tool (see
page 29) into Main collar upper (pos. 26.1). Unscrew Main collar.
2. Carefully clean thread and recess in Body. Do not damage special thread in Body. Recess must be
absolutely clean. Make sure that new Main collar is clean and free from impurities.
3. Remove O-ring (pos. 34) from old Upper main collar and place it in the new one. (Inspect O-ring, if
worn it should also be replaced).
4. Screw in new Main collar. Attention should be given to make sure that thread is in correct
engagement before screwing in Main collar.
5. Tighten Main collar fully home and tighten up.
6. Check that Main collar is fully home: install Stem, Ball retainer with balls and Gear wheel (see
page 18). Check that there is sufficient axial clearance to allow for free rotation of Stem.
Main collar lower
1. Place Body in a vice in upside down position. Do not clamp on machined faces. Insert tool (see
page 42) into Main collar lower (pos. 26.2). Unscrew Main collar.
Warning
:
Thread on Main collar lower is left-handed.
2. Carefully clean thread and recess in Body. Do not damage special thread in Body. Recess must be
absolutely clean.
3. Make sure that new Main collar is clean and free from impurities.
4. Inspect O-ring on stem (pos. 36), if worn it should be replaced.
5. Screw in new Main collar. Attention should be given to make sure that thread is in correct
engagement before screwing in Main collar.
6. Tighten Main collar fully home and tighten up.
7. Check that Main collar is fully home: install Stem, Ball retainer with balls and Gear wheel. Check
that there is sufficient axial clearance to allow for free rotation of Stem.
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