Dover MOUVEX A40 Manuel d'instructions - Page 12

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Dover MOUVEX A40 Manuel d'instructions
4. MAINTENANCE OPERATIONS (continued)
4.2 Re-assembling and disassembling the
wheel
Disassembly and reassembly of the wheel 3 are required
when :
- Replacing the shaft seal 26.
- Performing a complete overhaul.
- Disassembling or replacing the bearing box or the
reduction gear.
For disassemble the wheel 3, the pump hose must be
removed (see § REPLACING THE HOSE).
4.2.1 DISASSEMBLING THE WHEEL
1. Loosen screws 19a in the hub 19.
2. Tighten one of the screws 19a into the tapped hole of
the hub 19 provided to pull out the cone.
3. Remove the wheel 3 by sliding it along the central axis.
WARNING
BE CAREFUL WITH THE WEIGHT OF
THE PARTS WHEN THEY ARE BEING
REMOVED.
The weight ot the parts can
be dangerous and may
provoke bodily injuries or
material damages.
4.2.2 ASSEMBLING THE WHEEL
1. Check the shaft seal 26. Replace when necessary,
making sure that it is assembled so that the spring can
be seen inside the pump body.
2. Check that the shoes have no dents or deep scratches
that may quickly dereriorate the hose.
3. Insert the parts of the hub 19 in the wheel center.
Screws 19a must not be tightened so the wheel
assembly can freely slide along the axis.
4. Slide wheel 3 with its hub 19 on the axis.
NT 1101-F00 08.10 A40 - AS40 e
NOTE
5. Align wheel 3 with pump body 1 while keeping setting
distance as indicated on the following diagram :
6. After checking that the expansible hub is properly cen-
tered with regard to the wheel thickness, gradually
tighten screws 19a while keeping wheel alignment
correct.

4.3 Replacing the shoes

To replace the shoes 5, the pump hose must be disas-
sembled (see § REPLACING THE HOSE).
4.3.1 DISASSEMBLING THE SHOES
1. Partially untighten screw 28.
2. Remove the shims 4 from the shoe 5.
Some shims cannot be removed by sliding them
towards the outside. These special shims are installed
by the manufacturer and must be kept for reassembly.
These shims can be recognized as they have 2 holes
and have no notch like the other shims.
3. Completly loosen screw 28 and remove the washers 29.
4. Remove the shoe 5.
5. Remove the special shims 4.
12/19
Keying distance (L) :
74 ± 1 mm
(2,913 ± 0,039 in)
NOTES