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9. MAINTENANCE TO BE CARRIED OUT EVERY 6 MONTHS
Regular inspections should be made according to national regulations and product documentation by a Ditec trained and
qualified technician. The number of service occasions should be in accordance with national requirements and with the product
documentation.
Safety Devices
• Check the correct operation of the safety device Linear Encoder (SLE)
• Check the correct operation of the safety photocells
Side guides
• Check the guides wearing and the relevant curtain sliding
Installation / Fitting
• Tighten the fitting screws of the uprights with the crosspiece
• Check the anchoring of the door to the door frame
Motor
• Check the fixing of the motor to the relevant support
• Check the tensioning of the transmission chain
• Check the limit switches functioning and the good alignment with the cams.
• Check the brake disc wearing. If necessary replace the disc
• Check the properly manual release lever brake functioning (when applicable)
• Check the wear and tear of the counterweight belt. Replace the belt if necessary.
Main Shaft
• Check the good bearing supports fixing
• Lubricate the support of the bearings by suitable grease inlet
9.1 Maintenance Plan
The table below shows the recommended interval - in months - when to replace parts during preventive maintenance.
Part
Limit switch group (if 400V)
Limit switch (if 400V)
Brake disc
Brake disc guide
Upper guide with lens
Upper guide
Lower guide
Belt counterweight
Guide compensation spring
Lens group wide screen
(1) Dirty or dusty environment, operating temperature near to 0°C or over 35°C, wind pressure within 20% of maximum limit.
REINSERT THE CURTAIN
F
• Close the upper part of the plastic guides (D) by pushing on the outer side.
• Insert each tooth side edge (E) of the curtain in the relevant guide, if necessary to make easier the operation remove the
higher screw (F).
• Roll down the curtain so the bottom edge is 0.5m beneath the curtain inlet slot.
0DT848 01-12-2021
Part number
Low Traffic
Months
6K10GF
5M
21572
21571
29198ASOL
281068
6BGBSC
6KTFCS
KSPRING
6GLSLEC
E
D
- 48 -
Cycles / hour
<10
<30
Medium Traffic
Months
36
24
48
36
36
24
36
24
48
36
48
36
48
36
36
24
36
24
36
24
Abusive
>30
Environment
High Traffic
(1)
Months
12
12
24
24
12
12
12
12
24
24
24
24
24
24
12
12
12
12
12
12
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