Mounting / Repair
PLEASE NOTE: THIS IS HAUSER GERMANY MANUAL.
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28
63
60
53
51
3. Slacken the timing belt: Remove the dust cover (63) of the
tensioning station. Loosen the lock-nut (53).
Loosen the tensioning screws (51) approximately 10 turns
611
601
608
607
4. Loosen the timing belt clamp:
Remove the screw (608). Completely pull out and remove
the bracket. If the bracket is tight and cannot be loosened,
then the load attachment plate must be removed.
5. Cutting down the new timing belt:
There are three possible ways of establishing the lenght of the timing belt.
a) Cut down the new timing belt according to the associated piece list
b) Measure the profile length and calculate the belt length using the
Formula 1
Standard HPLA
L
carriage
L
profile
measure without buffer plates
HPLA with steel strip cover
L
carriage
L
profile
Measure without buffer plates
Belt length = 2 x L
profile
- L
carriage
+ K
Type
K
Formula 1:
calculating the timing belt length
HPLA80 570mm
HPLA120 740mm
HPLA180 1190mm
Table 7
: Correction value K for calculation of
the belt length
c) Pull out the old timing belt from the HPLA and lay it out on the floor. Lay the new timing belt
next to it and check the length of the old one to the new. In the case of differences in pitch,
transfer the pitch from the old belt to the new.
6. Thread up the new timing belt.
Note
If the old timing belt has not yet been removed from the actuator, the new one can
be attached to the old one using adhesive tape and pulled through.
7. Push the timing belt between the carriage and the load attachment plate. Insert the timing
belt retaining bracket (607) and secure it with the screw (608).
8. Tensioning the timing belt: see Chapter 5.2.3
9. Aligning the timing belt: see Chapter 5.3.
10. Fasten the dust cover (63).
11. If necessary, fasten the steel strip cover: see Chapter 5.11
12. Setting up the reference point: see Chapter 5.4.6
