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7PTH.C..
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Mount disc <74> and positon over needle roll.
Caution!
Caution!
The control slides at the facing surface of the disk points
towards the slots in the rotor
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Put up bearing ring <77> with o-ring <76>.
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Insert pulse unit <55> into fixture <C1>.
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Tighten bearing ring by means of fixture <C2> until the limit stop.
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Undo the bearing ring by 270° +90° and carry out the oil filling:
6.6 Oil Filling
1. Begin by filling the impulse unit with syringe <B> by way of the drive
shaft, until oil emerges through the seal hole.
2. Assemble the compression spring <80>, bolt <81>, ball <82>,
valve screw <86> and needle roller <87>. Turn the valve screw
back gently against the needle roller (protection against loss).
3. Connect the pulse unit using the adapter <A2> to the quick
disconnect coupling.
4. Close the shut-off valve
5. Connect pressure of about 5 bar.
6. Slowly open the shut-off valve fully, until the pressure gauge shows
a vacuum of about 1 mbar (-1 bar).
7. Wait for about 2 minutes, until the number of vacuum bubbles has
substantially reduced.
8. Slowly close the shut-off valve. The pressure gauge shows
atmospheric pressure again, and missing oil is forced into the
pulse unit.
9. Repeat steps 6 to 8, if necessary, until the number of bubbles is
negligible.
Oil Filling Unit <A>
Silencer
Ultra-Vac
Oil: ESSO-UNIVIS J26
order no. 925715
Container volume approx. 150ml
Temperature 20°±5°C
Shut-off valve
Air supply
4,5 - 5,5 bar (70 - 80 psi)
10
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Disconnect the pulse unit, remove the adapter and add a few drops
of oil with syringe <B>.
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Install the ball <78> and tighten the set bolt <79> (1+0,3 Nm).
Caution!
Caution!
The bearing ring <77> must not turn along!
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Tighten bearing ring <77> to the required torque (8. Assembly
Instructions, fig 6).
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Fit ball bearing with the <89> and circlip <88> into the housing
<91>. Insert the O-ring <90>. Push fully over the long shaft end of
the hydraulic rotor.
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Fit ring <92> and retaining ring <93>. Screw the whole component
onto the pistol grip.
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Mount <94> - <98>.
Remarks:
Small bubbles appearing at high vacuum pressure in the
wetting layer between the oil and the material are not
indicating leakage of the pulse unit. The filling result will
not be affected thereby.
6.7 Top up Oil
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Remove needle roller <87>, valve screw <86> and ball <82>.
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Knock out bolt <81> and compression spring <80>.
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Remove set bolt <79>. Remove ball <78> by turning the drive shaft
<73>, keeping the opening away from the body.
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Undo bearing ring <77> by 270° +90°.
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Carry out oil filling, see 6.6.
Set bolt <79>
Ball <78>
P1781E 05/05
Vacuum pressure gauge
Filling unit <A1>
Quick disconnect coupling
Needle roller <87>
Valve screw <86>
Ball <82>
Bolt <81>
Spring <80>
Adapter <A2>
(comes with oil filling unit <A>)
Drive shaft <73>
Unscrew bearing ring <77> by 270° +90°
Reserve-oil inspection space approx.
0.75 mm
Pulse unit <55>
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